<SEC-DOCUMENT>0000950170-24-023160.txt : 20240229
<SEC-HEADER>0000950170-24-023160.hdr.sgml : 20240229
<ACCEPTANCE-DATETIME>20240229163128
ACCESSION NUMBER:		0000950170-24-023160
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		17
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240229
DATE AS OF CHANGE:		20240229

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FARMERS & MERCHANTS BANCORP INC
		CENTRAL INDEX KEY:			0000792966
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				341469491
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38084
		FILM NUMBER:		24704283

	BUSINESS ADDRESS:	
		STREET 1:		307-11 N DEFIANCE ST
		CITY:			ARCHBOLD
		STATE:			OH
		ZIP:			43502
		BUSINESS PHONE:		4194462501

	MAIL ADDRESS:	
		STREET 1:		307-11 NORTH DEFIANCE ST
		CITY:			ARCHBOLD
		STATE:			OH
		ZIP:			43502
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
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<DESCRIPTION>10-K/A
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  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:14pt;font-family:Times New Roman;min-width:fit-content;">FORM </span><span style="font-size:14pt;font-family:Times New Roman;"><ix:nonNumeric id="F_2e69d8d6-9495-4c42-a92b-b47283928546" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:DocumentType"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:14pt;font-family:Times New Roman;min-width:fit-content;">10-K/A</span></ix:nonNumeric></span></p>
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  <p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:9pt;font-family:Times New Roman;min-width:fit-content;">Securities registered pursuant to Section 12(b) of the Act:</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-size:9pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-size:3pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;margin-right:auto;">
   <tr style="visibility:collapse;">
    <td style="width:31%;"/>
    <td style="width:7.06%;"/>
    <td style="width:21.56%;"/>
    <td style="width:1%;"/>
    <td style="width:39.38%;"/>
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    <td style="vertical-align:top;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_90eacce1-0b81-445d-b135-384f4f02ad2c" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:SecurityExchangeName"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">NASDAQ</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;min-width:fit-content;">&#160;Capital Market</span></p></td>
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  <p style="font-size:10pt;margin-top:4.5pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  &#9744;    </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_bb0a0948-d346-45ac-b2c6-3fa3f93839b7" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntityWellKnownSeasonedIssuer"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">No</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">  &#9746;</span></p>
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  <p style="font-size:10pt;margin-top:4.5pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or Section 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_1dd672a7-eff1-4625-85e2-74ed5066aacd" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntityCurrentReportingStatus"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Yes</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">  &#9746;    No  &#9744;</span></p>
  <p style="font-size:10pt;margin-top:4.5pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (&#167; 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_a24f879b-aeef-474e-a560-b65c263c3523" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntityInteractiveDataCurrent"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Yes</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">  &#9746;    No  &#9744;</span></p>
  <p style="font-size:10pt;margin-top:4.5pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.  See the definitions of &#8220;large accelerated filer&#8221;, &#8220;accelerated filer&#8221;, &#8220;smaller reporting company&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">   </span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;margin-right:auto;">
   <tr style="visibility:collapse;">
    <td style="width:30.76%;"/>
    <td style="width:39.74%;"/>
    <td style="width:29.5%;"/>
   </tr>
   <tr style="height:8pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Large accelerated filer &#9744;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-size:8pt;"><ix:nonNumeric id="F_c6faf9f3-cb58-4640-9297-92b8973c1752" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntityFilerCategory" format="ixt-sec:entityfilercategoryen"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Accelerated filer</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;min-width:fit-content;">&#160;&#160;&#9746;</span></p></td>
   </tr>
   <tr style="height:8pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Non-accelerated filer &#9744;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;min-width:fit-content;">Smaller reporting company </span><span style="font-size:8pt;"><ix:nonNumeric id="F_66003c2f-a2d5-40d5-97a0-67822a904e20" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntitySmallBusiness" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">&#9746;</span></ix:nonNumeric></span></p></td>
   </tr>
   <tr style="height:8pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;min-width:fit-content;">Emerging growth company </span><span style="font-size:8pt;"><ix:nonNumeric id="F_92da154e-0a26-4ad8-a199-7bdbb53c957d" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
   </tr>
  </table>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  &#9744;</span></p>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark whether the registrant has filed a report on and attestation to its management&#8217;s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_c8c6d724-0009-41bf-9564-20e96c0eae6d" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:IcfrAuditorAttestationFlag" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.   </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_badac8e3-cc28-410d-9a0c-3163c3d99e67" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:DocumentFinStmtErrorCorrectionFlag" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to &#167;240.10D-1(b).  &#9744;</span></p>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     Yes  &#9744;    No  </span><span style="font-size:8pt;font-family:Times New Roman;"><ix:nonNumeric id="F_3e622ffd-60b9-4835-b335-772351c87844" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:EntityShellCompany" format="ixt:fixed-false"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">&#9746;</span></ix:nonNumeric></span></p>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">As of June 30, 2023, the aggregate market value of the registrant&#8217;s common stock held by non-affiliates of the registrant was $</span><span style="font-size:8pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;"><ix:nonFraction id="F_825a2d44-dedb-48ba-a426-671a8ca1652c" contextRef="C_9b7b170a-9802-4127-9002-a3e4311a8e33" name="dei:EntityPublicFloat" unitRef="U_USD" scale="3" decimals="-3" format="ixt:num-dot-decimal">306,921,869</ix:nonFraction></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">.</span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
  <p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">As of February 23, 2024, the Registrant had 14,564,425 shares of common stock issued of which </span><span style="font-size:8pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;"><ix:nonFraction id="F_3078d284-df0c-4daf-b82a-92e45366320a" contextRef="C_877e7e52-2cee-4652-a390-57c4f120f4bb" name="dei:EntityCommonStockSharesOutstanding" unitRef="U_shares" decimals="INF" format="ixt:num-dot-decimal">13,664,345</ix:nonFraction></span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;"> shares are outstanding.</span></p>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.4in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">1</span></p></div>
  <hr style="page-break-after:always;"/>
  <div style="padding-top:0.5in;min-height:0.4in;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p></div>
  <p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;text-decoration:underline;font-size:8.5pt;font-family:Times New Roman;min-width:fit-content;">DOCUMENTS INCORPORATED BY REFERENCE</span></p>
  <div><ix:nonNumeric id="F_139ab4a2-1c51-4c4c-b210-fb4c653cf68e" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:DocumentsIncorporatedByReferenceTextBlock" escape="true"><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Part III of Form 10-K &#8211; Portions of the definitive Proxy Statement for the 2024 Annual Meeting of Shareholders of Farmers &amp; Merchants Bancorp, Inc.</span></p></ix:nonNumeric></div>
  <p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;margin-right:auto;">
   <tr style="visibility:collapse;">
    <td style="width:33.34%;"/>
    <td style="width:38%;"/>
    <td style="width:28.66%;"/>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="padding-top:0.01in;vertical-align:top;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Auditor Name: </span><span><ix:nonNumeric id="F_7e503894-e794-443b-8f20-1b322ebb0ead" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:AuditorName"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">FORVIS, LLP</span></ix:nonNumeric></span></p></td>
    <td style="padding-top:0.01in;vertical-align:top;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Auditor Location: </span><span><ix:nonNumeric id="F_8c6244df-42a0-48f1-85fd-a2ac84847f0f" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:AuditorLocation"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Fort Wayne, Indiana</span></ix:nonNumeric></span></p></td>
    <td style="padding-top:0.01in;vertical-align:top;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Auditor Firm ID: </span><span><ix:nonNumeric id="F_f853ce2d-e6cb-4b8a-9842-5be5c686ffe3" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:AuditorFirmId"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">686</span></ix:nonNumeric></span></p></td>
   </tr>
  </table>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.4in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">2</span></p></div>
  <hr style="page-break-after:always;"/>
  <div style="padding-top:0.5in;min-height:0.4in;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">EXPLANATORY NOTE</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:justify;"><span><ix:nonNumeric id="F_a6d602c2-09a7-45a3-b2b6-53094731c74f" contextRef="C_0f48a72e-0c2d-42e4-ad05-e5956a6d5a0e" name="dei:AmendmentDescription" continuedAt="F_a6d602c2-09a7-45a3-b2b6-53094731c74f_1"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">On February 27, 2024, Farmers &amp; Merchants Bancorp, Inc. (the "Company") filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2023 (the "Original Form 10-K").  This Amendment No. 1 (the "Amendment") amends the Original Form 10-K solely to correct an administrative error in the content of Exhibit 23, Consent of FORVIS, LLP (the "Consent"), that resulted in an omission of reference to consent to incorporate the report on the audit of internal control.  A new Exhibit 23 with the appropriate corrections is filed as Exhibit 23 attached hereto.</span></ix:nonNumeric></span></p>
  <div style="font-size:10pt;font-family:Times New Roman;"><ix:continuation id="F_a6d602c2-09a7-45a3-b2b6-53094731c74f_1"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">This Amendment speaks as of the original filing date and does not reflect events occurring after the filing of the Original Form 10-K.  No revisions are being made to the Company's financial statements or any other disclosure contained in the Original Form 10-K.  This Amendment is an exhibit-only filing.  Except for Exhibit 23, this Amendment does not otherwise update any exhibits as originally filed or previously amended.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), new certifications by the Company's principal executive officer and principal financial officer are filed herewith as exhibits to this Amendment pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act.  As no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted.  The Company is not including certifications pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350) as no financial statements are being filed with this Amendment.</span></p></ix:continuation></div>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.4in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">3</span></p></div>
  <hr style="page-break-after:always;"/>
  <div style="padding-top:0.5in;min-height:0.4in;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;text-decoration:underline;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">PART IV</span></p>
  <p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;" id="item_15_exhibits_financial_statements_sc"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;text-decoration:underline;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">ITEM 15. EXHIBITS AND FINA</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;text-decoration:underline;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">NCIAL STATEMENTS SCHEDULES</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;margin-right:auto;">
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    <td style="width:1%;"/>
    <td style="width:88%;"/>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">a.</span></p></td>
    <td colspan="3" style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">The Following documents are filed as part of this report.</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(23)</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><a href="fmao-ex23.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline;min-width:fit-content;">Consent of FORVIS, LLP</span></a></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(31.1)</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><a href="fmao-ex31_1.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline;min-width:fit-content;">Certification of the Chief Executive Officer Required under Rule 13(a)-14(a)/15d-14(a)</span></a></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(31.2)</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><a href="fmao-ex31_2.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline;min-width:fit-content;">Certification of the Chief Financial Officer Required under Rule 13(a)-14(a)/15d-14(a)</span></a></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">101.INS</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Inline XBRL Instance Document &#8211; The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;min-width:fit-content;">(1)</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">101.SCH</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Inline XBRL Taxonomy Extension Schema Document </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;min-width:fit-content;">(1)</span></p></td>
   </tr>
   <tr style="word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">101.CAL</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Inline XBRL Taxonomy Extension Calculation Linkbase Document </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;min-width:fit-content;">(1)</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">101.DEF</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Inline XBRL Taxonomy Extension Definition Linkbase Document </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;min-width:fit-content;">(1)</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">101.LAB</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Inline XBRL Taxonomy Extension Label Linkbase Document </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;min-width:fit-content;">(1)</span></p></td>
   </tr>
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    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:4pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">101.PRE</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Inline XBRL Taxonomy Extension Presentation Linkbase Document </span><span style="color:#000000;top:-4.6899999999999995pt;white-space:pre-wrap;font-size:6.7pt;position:relative;min-width:fit-content;">(1)</span></p></td>
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    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">104</span></p></td>
    <td style="vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:bottom;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">The cover page from the Company&#8217;s Annual Report on Form 10-K/A for the year ended December 31, 2023, has been formatted in Inline XBRL.</span></p></td>
   </tr>
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  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:5pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="item_15_exhibits_financial_schedules_end"><span style="color:#000000;white-space:pre-wrap;vertical-align:super;font-size:6.7pt;font-family:Times New Roman;min-width:fit-content;">(1)</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> Pursuant to Rule 406T of Regulation S-T, the interactive Data Files in Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:5pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <p style="font-size:10pt;margin-top:13pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;" id="item_16_form_10k_summary">&#160;</p>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.4in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">4</span></p></div>
  <hr style="page-break-after:always;"/>
  <div style="padding-top:0.5in;min-height:0.4in;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">FARMERS &amp; MERCHANTS BANCORP, INC.</span></p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;" id="signatures"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Signat</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">ures</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
  <p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Pursuant to the requirements of Section 13 or 15 (d) of the Securities Exchange Act of 1934. The registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:55.0%;border-collapse:separate;">
   <tr style="visibility:collapse;">
    <td style="width:4.98%;"/>
    <td style="width:53.9%;"/>
    <td style="width:1.52%;"/>
    <td style="width:9.52%;"/>
    <td style="width:30.08%;"/>
   </tr>
   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">By</span></p></td>
    <td style="vertical-align:top;border-bottom:0.5pt solid;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">/s/ Lars B. Eller</span></p></td>
    <td style="vertical-align:top;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Date:</span></p></td>
    <td style="vertical-align:top;border-bottom:0.5pt solid;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">February 29, 2024</span></p></td>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Lars B. Eller</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Chief Executive Officer</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">President</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;">&#160;</span></p></td>
   </tr>
  </table>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</span></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:99.0%;border-collapse:separate;margin-right:auto;">
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    <td style="width:26.1%;"/>
    <td style="width:1%;"/>
    <td style="width:4.96%;"/>
    <td style="width:16.94%;"/>
    <td style="width:1%;"/>
    <td style="width:25.9%;"/>
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   <tr style="height:10pt;word-break:break-word;white-space:pre-wrap;">
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<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
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<DESCRIPTION>EX-23
<TEXT>
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  <title>EX-23</title>
 </head>
 <body style="margin: auto!important;padding: 8px;">
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  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Exhibit 23</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </font></p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><img src="img89735615_0.jpg" alt="img89735615_0.jpg" style="width:624px;height:96px;">&#160;</p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Consent of Independent Registered Public Accounting Firm</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </font></p>
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  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">We consent to the incorporation by reference in the Registration Statement on Form S-8 (SEC File No. 333-248781) of our reports dated February 27, 2024, on our audits of the consolidated financial statements of the Company as of December 31, 2023 and 2022, and for each of the three years in the period ended December 31, 2023, which report is included in this Annual Report on Form 10-K.  We also consent to the incorporation by reference of our report dated February 27, 2024, on our audit of the internal control over financial reporting of the Corporation as of December 31, 2023, which report is included in this Annual Report on Form 10-K.</font></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><img src="img89735615_1.jpg" alt="img89735615_1.jpg" style="width:135px;height:27px;">&#160;</p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Fort Wayne, Indiana</font><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </font></p>
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  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
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  <p style="margin-left:13.333%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="margin-left:13.333%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="margin-left:13.333%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="margin-left:13.333%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="margin-left:13.333%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:1in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">1</font></p></div>
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<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>fmao-ex31_1.htm
<DESCRIPTION>EX-31.1
<TEXT>
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  <title>EX-31.1</title>
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  <div style="padding-top:0.5in;min-height:0.5in;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </font></p></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Exhibit 31.1</font></p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">CERTIFICATIONS</font></p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">I, Lars B. Eller, President and Chief Executive Officer of Farmers &amp; Merchants Bancorp, Inc., certify that:</font></p>
  <div style="display:flex;margin-top:12pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:3.333%;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:3.333%;display:inline-flex;justify-content:flex-start;">1.</font><div style="width:100%;display:inline;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">I have reviewed this Amendment No.1 to Annual Report on Form 10-K/A of Farmers &amp; Merchants Bancorp, Inc.;</font></div></div>
  <div style="display:flex;margin-top:12pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:3.333%;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:3.333%;display:inline-flex;justify-content:flex-start;">2.</font><div style="width:100%;display:inline;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</font></div></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
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    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Date:  February 29, 2024</font></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;min-width:fit-content;">&#160;</font></p></td>
   </tr>
   <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:right;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;min-width:fit-content;">&#160;</font></p></td>
    <td style="vertical-align:top;border-bottom:0.5pt solid #000000;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">/s/ Lars B. Eller</font></p></td>
   </tr>
   <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:right;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;min-width:fit-content;">&#160;</font></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Lars B. Eller</font></p></td>
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   <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:right;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;min-width:fit-content;">&#160;</font></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">President and CEO</font></p></td>
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  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.5in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">1</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p></div>
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<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>fmao-ex31_2.htm
<DESCRIPTION>EX-31.2
<TEXT>
<html>
 <head>
  <title>EX-31.2</title>
 </head>
 <body style="margin: auto!important;padding: 8px;">
  <div style="padding-top:0.5in;min-height:0.5in;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </font></p></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Exhibit 31.2</font></p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">CERTIFICATIONS</font></p>
  <p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">I, Barbara J. Britenriker, Chief Financial Officer of Farmers &amp; Merchants Bancorp, Inc., certify that:</font></p>
  <div style="display:flex;margin-top:12pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:3.333%;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:3.333%;display:inline-flex;justify-content:flex-start;">1.</font><div style="width:100%;display:inline;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Farmers &amp; Merchants Bancorp, Inc.;</font></div></div>
  <div style="display:flex;margin-top:12pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:3.333%;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:3.333%;display:inline-flex;justify-content:flex-start;">2.</font><div style="width:100%;display:inline;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</font></div></div>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;margin-right:auto;">
   <tr style="visibility:collapse;">
    <td style="width:50%;"></td>
    <td style="width:50%;"></td>
   </tr>
   <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:right;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Date:  February 29, 2024</font></p></td>
    <td style="vertical-align:top;border-bottom:0.5pt solid #000000;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">/s/ Barbara J. Britenriker</font></p></td>
   </tr>
   <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:right;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;min-width:fit-content;">&#160;</font></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Barbara J. Britenriker</font></p></td>
   </tr>
   <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:right;">
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;min-width:fit-content;">&#160;</font></p></td>
    <td style="vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Chief Financial Officer</font></p></td>
   </tr>
  </table>
  <p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p>
  <div style="flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.5in;justify-content:flex-end;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">1</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;min-width:fit-content;">&#160;</font></p></div>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other real estate owned</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ALLOWANCE FOR CREDIT LOSSES:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance For Credit Losses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance: collectively evaluated for impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Collectively Evaluated for Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesNetUnrealizedGainOnAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gain on available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesNetUnrealizedGainOnAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Net Unrealized Gain On Available For Sale Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesNetUnrealizedGainOnAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax liabilities net unrealized gain on available for sale securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Effects of Interest Rate Swap Agreements on Consolidated Statements of Income</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities - available-for-sale</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Issued, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Pro Forma Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationAcquisitionRelatedCostsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination, acquisition related costs percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationAcquisitionRelatedCostsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Acquisition Related Costs Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationAcquisitionRelatedCostsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination acquisition related costs percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Other assets and liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in other assets and other liabilities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets and Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ActivitiesInAllowanceForCreditLossesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Analysis of Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ActivitiesInAllowanceForCreditLossesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Activities In Allowance For Credit Losses Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ActivitiesInAllowanceForCreditLossesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of activities disclosure in allowance for credit losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndDividendIncomeOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest and Dividend Income, Operating.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndDividendIncomeOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Dividend Income, Operating [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndDividendIncomeOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Income [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportingUnitAmountOfFairValueInExcessOfCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of fair value of capital over carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportingUnitAmountOfFairValueInExcessOfCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reporting Unit, Amount of Fair Value in Excess of Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Securities for which Entity has Right to Sell or Repledge (Including Securities Sold or Repledged) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_WeightedAverageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_WeightedAverageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccountingStandardsUpdate202307Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Standards Update 2023-07.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccountingStandardsUpdate202307Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2023-07 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccountingStandardsUpdate202307Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU 2023-07 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueWithinOneYearToFiveYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Major Category Of Receivables Due Within One Year to Five Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueWithinOneYearToFiveYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Category Of Receivables Due Within One Year To Five Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueWithinOneYearToFiveYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Major Category Of Receivables Due Within One Year To Five Years[Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, plant and equipment, useful life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BorrowingsCapacityUnderFederalReserveBankTermFundingProgram_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Borrowings capacity under federal reserve bank term funding program..</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BorrowingsCapacityUnderFederalReserveBankTermFundingProgram_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Borrowings Capacity Under federal Reserve Bank Term Funding Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BorrowingsCapacityUnderFederalReserveBankTermFundingProgram_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowing capacity under the Federal Reserve's BTFP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfFederalHomeLoanBankAdvancesValuationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of Federal Home Loan Bank (FHLB) advances, valuation amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfFederalHomeLoanBankAdvancesValuationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Federal Home Loan Bank Advances Valuation Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfFederalHomeLoanBankAdvancesValuationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of Federal Home Loan Bank advances, valuation amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock issued to number of employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award number of employee share issued.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FeesAndCommissionsIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fees And Commissions Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FeesAndCommissionsIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fees And Commissions Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsRevolvingLoansAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs revolving loans amortized cost basis.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsRevolvingLoansAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Revolving Loans Amortized Cost Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsRevolvingLoansAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross charge-offs - Revolving Loans Amortized Cost Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Businesses, Net of Cash Acquired, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Acquisition, net of cash received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositsAtOrAboveFDICInsuranceLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time deposits of $250,000 or more</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositsAtOrAboveFDICInsuranceLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits, at or Above FDIC Insurance Limit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Notional Amount and Fair Value of Interest Rate Swaps</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Business Acquisitions By Acquisition [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Business Acquisitions, by Acquisition [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Servicing Rights net, December 31</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Servicing Asset, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets measured at fair value on a nonrecurring basis, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Net Interest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Interest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Interest Income - Before Provision for Credit Losses*</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total Risk-Based Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Actual Amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total Risk-Based Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Actual Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Consideration Paid and Amounts of Assets Acquired and Liabilities Assumed Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Modifications [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Less Than Twelve Months</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyOwnershipAmountInConcernEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership interest amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyOwnershipAmountInConcernEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Ownership Amount In Concern Entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyOwnershipAmountInConcernEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party ownership amount in concern entity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Individual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgingPurposeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledging Purpose [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With a specific allowance recorded, Unpaid Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Credit Quality Indicator [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankOwnedLifeInsurancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank Owned Life Insurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankOwnedLifeInsurancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank Owned Life Insurance Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankOwnedLifeInsurancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank owned life insurance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnpledgedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unpledged securities which could be sold or used as collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnpledgedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unpledged Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnpledgedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unpledged securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncreaseDecreseInFairValueEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrese in fair value estimate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncreaseDecreseInFairValueEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrese In Fair Value Estimate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncreaseDecreseInFairValueEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in fair value estimate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With a specific allowance recorded, Interest Income Recognized Cash Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issuance of shares, purchase of common stock in acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Asset, Aging</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Aging [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Stock by Class [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MinimumNumberOfSharesToBeExchangedUnderTheAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum number of shares to be exchanged under merger agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MinimumNumberOfSharesToBeExchangedUnderTheAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Number of Shares to be Exchanged Under the Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MinimumNumberOfSharesToBeExchangedUnderTheAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum number of shares to be exchanged under the agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfCaptiveClaimsListedTransactionLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of captive claims listed transaction loss ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfCaptiveClaimsListedTransactionLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Captive Claims Listed Transaction Loss Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfCaptiveClaimsListedTransactionLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of captive claims listed transaction loss ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis in acquired loans at acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ReclassificationOfGainsLossesToNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of reclassification effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ReclassificationOfGainsLossesToNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassification Of Gains Losses To Net Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ReclassificationOfGainsLossesToNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassification of gains losses to net income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Fund Long-Term Loans to Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of employees, received the stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Number Of Employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award number of employees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MarketCapitalizationFromIncreasedBankEquities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Market capitalization from increased bank equities..</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MarketCapitalizationFromIncreasedBankEquities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Market Capitalization From Increased Bank Equities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MarketCapitalizationFromIncreasedBankEquities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market capitalization from increased bank equities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SaleOfPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale Of Property</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SaleOfPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Property [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SaleOfPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of property.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Asset, Aging</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Aging [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities and Stockholders' Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansServicedForOthersUnpaidPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans serviced for others unpaid principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansServicedForOthersUnpaidPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Serviced For Others Unpaid Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansServicedForOthersUnpaidPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans serviced for others unpaid principal amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax impact portion of deferred tax asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agricultural real estate Loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agricultural Real Estate Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TreasuryStockPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TreasuryStockPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TreasuryStockPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Treasury stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionEquityInterestIssuedOrIssuablePerShareOfAcquiredEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued in exchange of each outstanding share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionEquityInterestIssuedOrIssuablePerShareOfAcquiredEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Equity Interest Issued Or Issuable Per Share Of Acquired Entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionEquityInterestIssuedOrIssuablePerShareOfAcquiredEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition, equity interest issued or issuable for per share of acquired entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Year Two Thousand Twenty Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Year Two Thousand Twenty Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and Other Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest income recognized on a cash basis on impaired loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Income Recognized Cash Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, Interest Income, Cash Basis Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage Capital to Adjusted Total Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Available-for-sale Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMonitoredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">4 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMonitoredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">4 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMonitoredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Satisfactory Monitored [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMonitoredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Satisfactory Monitored [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Pro Forma Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advance, Maturity, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiabilityNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for credit losses and unfunded commitment liability net of tax.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiabilityNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Credit Losses And Unfunded Commitment Liability Net Of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiabilityNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for redit losses and unfunded commitment liability, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified, Accumulated</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impaired loans classified as modifications to borrowers experiencing financial difficulty</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TermNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TermNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Term Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TermNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Term note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaIncomeTaxesExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaIncomeTaxesExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Income Taxes Expense Benefit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaIncomeTaxesExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma income taxes expense benefit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-Modification Outstanding Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Troubled Debt Restructuring, Premodification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseMaximumMonthlyOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum Amount Borrowings Outstanding Month End</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseMaximumMonthlyOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold Under Agreements To Repurchase Maximum Monthly Outstanding Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseMaximumMonthlyOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities sold under agreements to repurchase maximum monthly outstanding amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination &amp; Asset Purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Tax Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DailySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Daily Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DailySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Daily Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DailySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Daily Securities Sold Under Agreement to Repurchase [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Property, Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed interest bearing time deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Time Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing time deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOver90DaysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Greater Than 90 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOver90DaysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity Greater than 90 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">8 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositsInBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing time deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositsInBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest-Bearing Deposits in Banks and Other Financial Institutions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Calculation of Basic and Diluted Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total borrowings, fair value related to acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advances From Federal Home Loan Banks Fair Value Related To Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advances from Federal Home Loan Banks fair value related to acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Major Categories of Banking Premises and Equipment and Accumulated Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Payment of dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash dividends paid on common stock</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Year Two Thousand Eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Year two thousand eighteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinated notes, due date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendsMayBePaidWithoutPriorRegulatoryApproval_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends may be paid without prior regulatory approval</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendsMayBePaidWithoutPriorRegulatoryApproval_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends May Be Paid Without Prior Regulatory Approval</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendsMayBePaidWithoutPriorRegulatoryApproval_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividends may be paid without prior regulatory approval.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableWithFixedRatesOfInterest1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution of fixed rate loans by major loan category, Fixed Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableWithFixedRatesOfInterest1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable with Fixed Rates of Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ActivityInCertificateOfDepositAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Activity in certificates of deposit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ActivityInCertificateOfDepositAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Activity In Certificate Of Deposit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ActivityInCertificateOfDepositAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Activity in certificate of deposit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value of assets acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of assets acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Acquired Receivable, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturities, prepayments and calls</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Securities to be used as collateral for the underlying repurchase agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments pledged, carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Securities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Twelve Months and Over</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, immaterial effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleMeasurementInputExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleMeasurementInputExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Measurement Input [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketable Securities, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quantitative Information about Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAverageFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Average Fixed Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAverageFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pay</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AmortizedCostAndFairValueDebtSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortized Cost And Fair Value Debt Securities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AmortizedCostAndFairValueDebtSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortized Cost and Fair Value Debt Securities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeclosedRealEstateExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreclosed Real Estate Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeclosedRealEstateExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreclosed real estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivable Troubled Debt Restructurings [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Premises and Equipment (Net)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAtFairValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Servicing Assets At Fair Value [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAtFairValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Servicing Assets at Fair Value [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DataProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Data Processing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DataProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Data Processing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DataProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Data processing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFundsBasedOnCurrentPledging_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional borrowings available from the Federal Home Loan Bank based on current pledging</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFundsBasedOnCurrentPledging_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds Based On Current Pledging</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFundsBasedOnCurrentPledging_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal Home Loan Bank advances general debt obligations disclosures amount of available unused funds based on current pledging.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Useful Life And Values [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Property Plant and Equipment Useful Life and Values [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CoreDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Core Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CoreDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Core Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, One year or less</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalizedServiceRightAssetsFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capitalized Service Right Assets Fair Market Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalizedServiceRightAssetsFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capitalized service right assets fair market value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalizedServiceRightAssetsFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of the capitalized servicing rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NonaccrualMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonaccrual.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NonaccrualMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonaccrual [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Derivatives, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest payable fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdamsCountyFinancialResourcesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adams County Financial Resources [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdamsCountyFinancialResourcesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adams County Financial Resources [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdamsCountyFinancialResourcesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adams County Financial Resources.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialAndIndustrialAndIndustrialDevelopmentBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial and Industrial [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialAndIndustrialAndIndustrialDevelopmentBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial And Industrial And Industrial Development Bonds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialAndIndustrialAndIndustrialDevelopmentBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial And Industrial And Industrial Development Bonds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorReceivedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of directors received shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorReceivedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Director Received Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorReceivedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of director received shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Grants Originated In Period Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Award grants originated in period three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards grants originated in 2019, 2020 and 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adopted [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, adopted [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs three years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Three Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross charge-offs - fiscal year 2020</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">US Treasury &amp; Agency Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury and Government [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Option to Extend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, Operating Lease, Option to Extend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock issued for acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interests Issued and Issuable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Noninterest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma noninterest expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositLiabilitiesDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositLiabilitiesDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deposit Liabilities Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Minimum leverage ratio calculated as ratio of Tier 1 capital to average quarterly assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage Capital to Adjusted Total Assets Actual, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Leverage Capital Ratio, Actual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan amortization period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Remaining Discount Amortization Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfCommercialPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of commercial purchased credit impaired loans paid off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfCommercialPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Commercial Purchased Credit Impaired Loans Paid Off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfCommercialPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of commercial purchased credit impaired loans paid off.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueAdjustmentOfDerivative_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value adjustment of derivative.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueAdjustmentOfDerivative_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Adjustment Of Derivative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueAdjustmentOfDerivative_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value adjustment of derivative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease, right-of-use asset, statement of financial position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements or Change in Accounting Principle [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier 1 Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier 1 Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestIncomeOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest Income, Other.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestIncomeOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestIncomeOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestIncomeOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other Interest Income [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialAssetPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialAssetPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term of loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage Capital to Adjusted Total Assets Actual, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Leverage Capital, Actual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OneToFourFamilyRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">One to four family real estate loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OneToFourFamilyRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">One to Four Family Real Estate Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OneToFourFamilyRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1-4 Family Real Estate Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agricultural [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agricultural Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agricultural Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Reclassification adjustment for (gain) loss on sale of available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reclassification adjustment for realized (gain) loss on sale of available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Leases [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Stock Awards [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Year Two Thousand Nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Year two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OffBalanceSheetFinancialInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Off Balance Sheet Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OffBalanceSheetFinancialInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Off Balance Sheet Financial Instruments Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OffBalanceSheetFinancialInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Off balance sheet financial instruments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageLoansAtCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Loans at Cost [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageLoansAtCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans At Cost [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageLoansAtCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Loans At Cost [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueForCertificateOfDepositAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value for certificate of deposit, amortization period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueForCertificateOfDepositAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value For Certificate Of Deposit Amortization Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueForCertificateOfDepositAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value for certificate of deposit amortization period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Right-of-Use Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right-of-use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating lease assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodForChargingDownOrAllocatedCommercialAndAgriculturalCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delinquent period for charging down or allocated commercial and agricultural credits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodForChargingDownOrAllocatedCommercialAndAgriculturalCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delinquent Period For Charging Down Or Allocated Commercial And Agricultural Credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodForChargingDownOrAllocatedCommercialAndAgriculturalCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delinquent period for charging down/allocated commercial and agricultural credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Approximate Weighted Average Interest Rate For the Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities sold under agreements to repurchase weighted average interest rate during period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Tax Assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Existence of Option to Extend [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, Operating Lease, Existence of Option to Extend [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Lease, Description [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefitMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of likelihood of realization of recognized tax benefit, minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefitMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Likelihood Of Realization Of Recognized Tax Benefit Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefitMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of likelihood of realization of recognized tax benefit minimum.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodOfSecuredConsumerLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Days to charged consumer loans to the value of the collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodOfSecuredConsumerLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delinquent Period Of Secured Consumer Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodOfSecuredConsumerLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delinquent period of secured consumer loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Losses, Less Than Twelve Months</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage Capital to Adjusted Total Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfFederalHomeLoanBankAdvancesAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of Federal Home Loan Bank (FHLB) advances, amortization period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfFederalHomeLoanBankAdvancesAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Federal Home Loan Bank Advances Amortization Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfFederalHomeLoanBankAdvancesAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of Federal Home Loan Bank advances, amortization period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DirectorsAndExecutiveOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Directors and Executive Officers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DirectorsAndExecutiveOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Directors And Executive Officers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DirectorsAndExecutiveOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Directors And Executive Officers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Risk-Based Capital to Risk Weighted Assets Actual, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Total Risk-Based Capital Ratio, Actual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Number of Shares, Beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Number of Shares, Nonvested, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossOnInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain (Loss) on Investments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossOnInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Realized Gains and Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsumerAndCreditCardLoansToAccrueInterestChargedOff_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer and credit card loans to accrue interest charged off.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsumerAndCreditCardLoansToAccrueInterestChargedOff_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer And Credit Card Loans To Accrue Interest Charged Off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsumerAndCreditCardLoansToAccrueInterestChargedOff_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer and credit card loans to accrue interest charged off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal income tax at statutory rates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashCashEquivalentsAndFederalFundsSoldFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashCashEquivalentsAndFederalFundsSoldFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Cash Equivalents And Federal Funds Sold Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashCashEquivalentsAndFederalFundsSoldFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash cash equivalents and federal funds sold fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfCumulativeBasisAdjustmentsForInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Cumulative Basis Adjustments for Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfCumulativeBasisAdjustmentsForInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Cumulative Basis Adjustments for Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfCumulativeBasisAdjustmentsForInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Cumulative Basis Adjustments for Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Expenses And Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed accrued expenses and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnfundedLoanCommitmentAndLettersOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded Loan Commitment &amp; Letters of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnfundedLoanCommitmentAndLettersOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unfunded Loan Commitment And Letters Of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnfundedLoanCommitmentAndLettersOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unfunded Loan Commitment And Letters Of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost and Fair Value of Securities with Gross Unrealized Gains and Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost and Fair Value of Debt Securities, by Contractual Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments Classified by Contractual Maturity Date [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative, Fair Value, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Fair Value, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum Regulatory Capital Requirements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Regulatory Capital Requirements under Banking Regulations [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance for Loan and Lease Losses, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reserve portion of allowance of credit loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Lease, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ReEvaluationPeriodForRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Re-evaluation period for real estate</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ReEvaluationPeriodForRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Re evaluation period for real estate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Liabilities:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability Derivatives, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentAgenciesDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. Government Agencies [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentAgenciesDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Government Agencies Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gain (loss) on available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, before Tax, Portion Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fed funds purchased and securities sold under agreement to repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueForCertificateOfDepositValuationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value for certificate of deposit, valuation amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueForCertificateOfDepositValuationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value For Certificate Of Deposit Valuation Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueForCertificateOfDepositValuationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value for certificate of deposit valuation amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adoption Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in accounting principle, accounting standards update, adoption date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturitiesOfTimeDepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturities of Time Deposits [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleSecuritiesGrossRealizedGainLossTaxExpensesBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Available For Sale Securities Gross Realized Gain Loss Tax Expenses (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleSecuritiesGrossRealizedGainLossTaxExpensesBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Gross Realized Gain Loss Tax Expenses (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleSecuritiesGrossRealizedGainLossTaxExpensesBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax expense (benefit) related to net realized gains (losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfLineOfCreditAccruesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of line of credit accrues rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfLineOfCreditAccruesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Line of Credit Accrues Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfLineOfCreditAccruesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of line of credit accrues rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentPerformanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment performance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentPerformanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Performance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentPerformanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment Performance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CustarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Custar</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CustarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Custar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CustarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Custar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DistributionOfFixedRateLoansAndVariableRateLoansByMajorLoanCategoryTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution of Fixed Rate Loans and Variable Rate Loans by Major Loan Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DistributionOfFixedRateLoansAndVariableRateLoansByMajorLoanCategoryTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Of Fixed Rate Loans And Variable Rate Loans By Major Loan Category Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DistributionOfFixedRateLoansAndVariableRateLoansByMajorLoanCategoryTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of fixed rate loans and variable rate loans by major loan category.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net income to net cash from operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Frequency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Loan Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance for Loan and Lease Losses [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument basis points</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease, liability, statement of financial position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Equity Tier 1 Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier 1 Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Securities for which Entity has Right to Sell or Repledge [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Mortgage Servicing Rights Capitalized and Amortized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset at Amortized Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impaired Loans Classified as Modified Loans for Borrowers Experiencing Financial Difficulty and Troubled Debt Restructurings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ContributionProvidedByBothRecoveriesAndProvisionAlongWithReductionOfAllowanceCausedByChargeOffsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Activities in Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ContributionProvidedByBothRecoveriesAndProvisionAlongWithReductionOfAllowanceCausedByChargeOffsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contribution Provided By Both Recoveries And Provision Along With Reduction Of Allowance Caused By Charge Offs Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ContributionProvidedByBothRecoveriesAndProvisionAlongWithReductionOfAllowanceCausedByChargeOffsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of contribution provided by both the recoveries and the provision along with the reduction of the allowance caused by charge-off.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Taxes [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanAssociationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Peoples federal savings and loan association.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanAssociationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Peoples Federal Savings And Loan Association [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanAssociationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Peoples Federal Savings and Loan Association [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of core deposit intangible</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FurnitureAndEquipmentCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture and Equipment Costs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FurnitureAndEquipmentCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Furniture and Equipment Costs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FurnitureAndEquipmentCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Furniture and Equipment Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerListsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Lists [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerListsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Lists [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesOfFixedRateReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges of Fixed-rate Receivables.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesOfFixedRateReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges of Fixed-rate Receivables [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesOfFixedRateReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges of Fixed-rate Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements, Nonrecurring [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Measured at Fair Value on Nonrecurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">With no related allowance recorded, Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impaired loans without a valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with No Related Allowance, Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MinimumPercentageOfEligibleCompensationOnPreTaxOrPostTaxBasisForEligibleEmployeesToSave_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum percentage of eligible compensation on a pre-tax or post-tax basis for eligible employees to save</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MinimumPercentageOfEligibleCompensationOnPreTaxOrPostTaxBasisForEligibleEmployeesToSave_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Percentage Of Eligible Compensation On Pre Tax Or Post Tax Basis For Eligible Employees To Save</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MinimumPercentageOfEligibleCompensationOnPreTaxOrPostTaxBasisForEligibleEmployeesToSave_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum percentage of eligible compensation on pre tax or post tax basis for eligible employees to save.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Federal funds purchased and securities sold under agreement to repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Funds Purchased and Securities Sold under Agreements to Repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Noncash Income (Expense), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncash Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageLoansChargedOffDaysPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans charged off days past due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageLoansChargedOffDaysPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans Charged Off Days Past Due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageLoansChargedOffDaysPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loans charged off days past due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furnishings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Furniture and Fixtures [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Federal Home Loan Bank, Advance, Maturity, after Year Five, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advance, Maturity, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total impaired loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral dependent impaired loans categorized as Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral dependent loans categorized as Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Share-Based Payment Arrangement, Noncash Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock issued in exchange of each outstanding share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued in exchange of each outstanding share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeFromOperationBeforeEquityInUndistributedEarningsOfSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income From Operation Before Equity In Undistributed Earnings Of Subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeFromOperationBeforeEquityInUndistributedEarningsOfSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income from operation before equity in undistributed earnings of subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeFromOperationBeforeEquityInUndistributedEarningsOfSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income from operation before equity in undistributed (distributions in excess of) earnings of subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Gain on sale of available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized gains (losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gain on sales of available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gain (loss) on sale of available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Gain) loss on sales of available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Satisfactory [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SatisfactoryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Satisfactory [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total consideration for acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of capital stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestBearingTimeDepositsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing time deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestBearingTimeDepositsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Time Deposits Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestBearingTimeDepositsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest bearing time deposits fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income Taxes (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Income Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unamortized Note Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesBorrowedFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesBorrowedFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Borrowed, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationDirectorStockAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Director stock awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationDirectorStockAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Director Stock Awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationDirectorStockAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation director stock awards.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments &amp; Maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments &amp; Maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_GenevaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geneva [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_GenevaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geneva [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_GenevaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Geneva.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaids</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Prepaid Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedFinancialStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condensed Financial Statements, Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedFinancialStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Statements, Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBanksAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Banks [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfDeferredTaxLiabilityNotRecognizedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of Deferred Tax Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfDeferredTaxLiabilityNotRecognizedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Deferred Tax Liability Not Recognized [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeriodForClassifyingLoanAsNonAccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan non-accrual classification period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeriodForClassifyingLoanAsNonAccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period For Classifying Loan As Non Accrual Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeriodForClassifyingLoanAsNonAccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period for classifying loan as non accrual status.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoanRestructuringModificationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoanRestructuringModificationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Restructuring Modification [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetValuationTechniqueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Technique</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetValuationTechniqueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset, Valuation Technique [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With a specific allowance recorded, Average Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with Related Allowance, Average Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Finite-Lived Intangible Assets, Net, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Finite-Lived Intangible Assets, Net, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CaptivesProvisionExistencePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Captives provision existence period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CaptivesProvisionExistencePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Captives Provision Existence Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CaptivesProvisionExistencePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Captives provision existence period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt, term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfExternalAndIndependentLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of external and independent loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfExternalAndIndependentLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of External and Independent Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfExternalAndIndependentLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of external and independent loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted stock awards, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of shares of restricted stock, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Restricted Stock Award, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentsToAcquireAvailableForSaleSecuritiesDebtIncludingAdjustmentForSecuritiesAcquiredInAcquisition_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentsToAcquireAvailableForSaleSecuritiesDebtIncludingAdjustmentForSecuritiesAcquiredInAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Acquire Available For Sale Securities Debt Including Adjustment For Securities Acquired In Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentsToAcquireAvailableForSaleSecuritiesDebtIncludingAdjustmentForSecuritiesAcquiredInAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to acquire available for sale securities debt including adjustment for securities acquired in acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments pledged, carrying par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Farmers &amp; Merchants State Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Parent Company [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Basis [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Allowance For Credit Losses [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFourOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs four or more years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFourOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Four Or More Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFourOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross charge-offs - Prior</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOvernightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Overnight &amp; Continuous [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityOvernightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity Overnight [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares awarded due to retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Awarded Due To Retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share Based Compensation Arrangement by share based payment award number of employee share awarded due to retirement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FINANCING RECEIVABLES:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleDebtSecuritiesAmortizedCostBasisExcludingMortgageBackedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortized Cost, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleDebtSecuritiesAmortizedCostBasisExcludingMortgageBackedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Debt Securities Amortized Cost Basis Excluding Mortgage Backed Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleDebtSecuritiesAmortizedCostBasisExcludingMortgageBackedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale debt securities amortized cost basis excluding mortgage backed securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With no related allowance recorded, Unpaid Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other Comprehensive Income (Loss):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Comprehensive Income (Loss) (Net of Tax):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosures [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableOriginatedFourOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable originated four or more years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableOriginatedFourOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated Four or More Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableOriginatedFourOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prior</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Shares Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award number of employee shares forfeited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsFarmersAndMerchantsStateBankActualAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier 1 leverage Capital to Adjusted Total Assets, Farmers And Merchants State Bank, Actual Amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsFarmersAndMerchantsStateBankActualAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier 1 leverage Capital to Adjusted Total Assets, Farmers And Merchants State Bank, Actual Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAgriculturalRealPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of agricultural real purchased credit impaired loans paid off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAgriculturalRealPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Agricultural Real Purchased Credit Impaired Loans Paid Off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAgriculturalRealPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of agricultural real purchased credit impaired loans paid off.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfLoansIndividuallyEvaluatedForImpairmentByPortfolioSegmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Individually Evaluated for Impairment by Portfolio Class of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfLoansIndividuallyEvaluatedForImpairmentByPortfolioSegmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Loans Individually Evaluated For Impairment By Portfolio Segment Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfLoansIndividuallyEvaluatedForImpairmentByPortfolioSegmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of loans individually evaluated for impairment by portfolio segment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DoubtfulMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">7 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DoubtfulMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Doubtful [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DoubtfulMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Doubtful [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Risk-Based Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings Per Share Basic [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityUpTo30DaysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Up To 30 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturityUpTo30DaysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity Less than 30 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Information Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialAssetNotPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Not Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialAssetNotPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetMeasurementInputExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetMeasurementInputExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset, Measurement Input [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest bearing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed interest bearing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalCashFlowElementsInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Activity in available-for-sale securities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalCashFlowElementsInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Activity in available-for-sale securities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalCashFlowElementsInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Cash Flow Elements, Investing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_BrokersAndDealersAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Broker-Dealer [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivables60To89DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">60 to 89 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivables60To89DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, 60 to 89 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029 and thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Lease Costs and Cash Flows</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds (repayments) of other borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds (Repayment) of other borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Repayments of) Other Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from (Repayments of) Other Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Minimum ratio of capital to risk-weighted assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfCapitalInExcessOfCarryingValueOfGoodwillDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of times fair value of capital in excess of carrying value of goodwill description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfCapitalInExcessOfCarryingValueOfGoodwillDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Capital In Excess Of Carrying Value Of Goodwill Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueOfCapitalInExcessOfCarryingValueOfGoodwillDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of capital in excess of carrying value of goodwill description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksExcludingFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksExcludingFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total borrowings excluding for fair value related to acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksExcludingFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advances From Federal Home Loan Banks Excluding Fair Value Related To Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AdvancesFromFederalHomeLoanBanksExcludingFairValueRelatedToAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advances from Federal Home Loan Banks excluding fair value related to acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, After five years through ten years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Future Lease Payments Based on Maturity for Lessee Liability Arrangements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party receivables.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party receivables:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PledgingOfEligibleCommercialRealEstateLoansForFederalHomeLoanBank_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pledging of eligible commercial real estate loans for federal home loan bank.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PledgingOfEligibleCommercialRealEstateLoansForFederalHomeLoanBank_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledging Of Eligible Commercial Real Estate Loans For Federal Home Loan Bank</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PledgingOfEligibleCommercialRealEstateLoansForFederalHomeLoanBank_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledging of eligible commercial real estate loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonEquityTierOneCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital For Capital Adequacy Purposes, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonEquityTierOneCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Liabilities, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net Deferred Tax Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Lease, Description [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfLoansSecured_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans secured</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfLoansSecured_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loans Secured</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfLoansSecured_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loans secured.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Risk-Based Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability Class</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Cet1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital to Risk Weighted Assets Actual, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Cet1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cet1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Cet1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Equity Tier 1 (CET1) as defined in the regulations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Pro-forma Results</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Pro Forma Information [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed-to-floating interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsultingFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consulting Fees [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsultingFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consulting Fees [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsultingFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consulting fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Overnight &amp; Continuous [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 Capital to Risk Weighted Assets Actual, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Dividends payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease, Remaining lease team</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Earnings per Common Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Basic earnings per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basic earnings per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capitalized Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset at Amortized Cost, Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deposits [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossFromPriceRiskManagementActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) from Price Risk Management Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossFromPriceRiskManagementActivity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Farmers &amp; Merchants Risk Management dissolution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedFinancialStatementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Condensed Financial Statements [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedFinancialStatementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Statements [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination, acquisition related costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Acquisition Related Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableImpairedLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable, Impaired [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableImpairedLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Impaired [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CompensationAnnualBasisCommitteeAward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Compensation annual basis committee award</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CompensationAnnualBasisCommitteeAward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compensation Annual Basis Committee Award</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CompensationAnnualBasisCommitteeAward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Compensation annual basis committee award.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationAverageRemainingUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination, average remaining life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationAverageRemainingUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Average Remaining Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationAverageRemainingUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination average remaining useful life.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Impact of Adopting ASU</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherRealEstateOwnedMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherRealEstateOwnedMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Real Estate Owned, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma provision for loan losses and unfunded.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Provision For Loan Losses And Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for Credit Losses and Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Benefits [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognition of core deposit intangible asset with acquired purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted loans to affiliate companies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Amounts of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenUpValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination, premises and equipment written up value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenUpValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Assets in Premises and Equipment Written Up Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenUpValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable assets in premises and equipment written up value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TwoOneToFourFamilyRealEstateStrataMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two 1-4 family real estate strata.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TwoOneToFourFamilyRealEstateStrataMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two One to Four Family Real Estate Strata [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TwoOneToFourFamilyRealEstateStrataMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Two 1-4 Family Real Estate Strata [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperatingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperatingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperatingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Dividend Income, Operating [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, before Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Derivatives, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, After five years through ten years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">All Award Types</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Variable Interest Entities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImmediateVestingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Immediate Vesting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImmediateVestingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Immediate Vesting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImmediateVestingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Immediate vesting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Off Balance Sheet Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total required payments receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating cash flows</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Earnings per Common Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Diluted earnings per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Diluted earnings per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of fair value of capital over carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unrecognized Tax Benefits, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unrecognized Tax Benefits, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized deferred taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest and operating expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendIncomeOperatingFromBankSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends from subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendIncomeOperatingFromBankSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Income Operating From Bank Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendIncomeOperatingFromBankSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend income operating from bank subsidiaries.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesLoanServicingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax liabilities loan servicing rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesLoanServicingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Loan Servicing Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesLoanServicingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan servicing rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FederalReservesBankTermFundingProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal reserve's bank term funding program.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FederalReservesBankTermFundingProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Reserve's Bank Term Funding Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FederalReservesBankTermFundingProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Reserve's Bank Term Funding Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationAndAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reclassification and Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationAndAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset reclassification and adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationAndAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Reclassification And Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationAndAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification &amp; Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SpecificAllocationOnPrincipalBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Specific Allocation on Principal Balance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SpecificAllocationOnPrincipalBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Specific Allocation On Principal Balance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SpecificAllocationOnPrincipalBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Specific allocation on principal balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SpecialMentionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">5 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SpecialMentionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Special Mention [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SpecialMentionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Special Mention [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalFundsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal funds sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalFundsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Funds Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalFundsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed federal funds sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Servicing Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Servicing Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Servicing Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments &amp; Maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value on a Recurring Basis [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recoveries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance for Loan and Lease Loss, Recovery of Bad Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier 1 leverage Capital to Adjusted Total Assets, Farmers And Merchants State Bank, Ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier 1 leverage Capital to Adjusted Total Assets, Farmers And Merchants State Bank, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodForChargingDownConsumerLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delinquent period for charging down consumer loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodForChargingDownConsumerLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delinquent Period For Charging Down Consumer Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentPeriodForChargingDownConsumerLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delinquent period for charging down consumer loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash collateral pledged to counterparties as security for its obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deposits, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total noninterest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Deferred Tax Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesFhlbStockDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB stock dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesFhlbStockDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Fhlb Stock Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesFhlbStockDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax liabilities FHLB stock dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AssetValueOfBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset value of banks.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AssetValueOfBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Value Of Banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AssetValueOfBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset value of peer group banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansAndLeasesReceivableExcludingFairValueAdjustmentsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans excluding fair value adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansAndLeasesReceivableExcludingFairValueAdjustmentsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Excluding Fair Value Adjustments Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoansAndLeasesReceivableExcludingFairValueAdjustmentsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans and leases receivable excluding fair value adjustments amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Servicing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfers and Servicing of Financial Assets [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net interest income after provision of loan loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), after Provision for Loan Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Interest Income After Provision for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. Treasury [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee contribution matching percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities, FV-NI, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities - US Treasuries / municipals</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Held-to-Maturity Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Repurchase of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalForAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Equity Tier 1 Capital For Adequacy, Farmers And Merchants State Bank, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalForAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier 1 Capital For Adequacy, Farmers And Merchants State Bank, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Held [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets, Major Class Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansHeldForSaleFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansHeldForSaleFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan, Held-for-Sale, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ServicingAssetAtAmortizedValueAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset At Amortized Value Additional Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ServicingAssetAtAmortizedValueAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Servicing Asset At Amortized Value Additional Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Policy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EmployeeBenefitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Benefits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EmployeeBenefitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EmployeeBenefitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee benefits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, One year or less</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Earnings Per Share Basic By Common Class [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification from nonaccretable difference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfStrataWhichIncludedLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of strata which included loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfStrataWhichIncludedLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Strata which Included Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfStrataWhichIncludedLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of strata which included loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRevolving_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Revolving</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRevolving_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Loans Amortized Cost Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2016 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Year Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Year two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationDeductions_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Deduction, Amount, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationDeductions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Section 831 deduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationDeductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Deduction, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageBackedSecuritiesAvailableForSaleAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, Mortgage-backed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageBackedSecuritiesAvailableForSaleAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Backed Securities Available For Sale Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MortgageBackedSecuritiesAvailableForSaleAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage backed securities available for sale amortized cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Subordinated Debt, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Subordinated Debt, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Subordinated Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinated notes, net of unamortized issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subordinated Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LitigationAndAnyDeficiencyChargedOffPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Litigation and any deficiency charged off period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LitigationAndAnyDeficiencyChargedOffPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation And Any Deficiency Charged Off Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LitigationAndAnyDeficiencyChargedOffPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Litigation and any deficiency charged off period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsLessThan250000_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time deposits under $250,000</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsLessThan250000_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits Less Than250000</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsLessThan250000_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $250,000.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSecuritiesFinancingTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Remaining Contractual Maturity in Repurchase Agreements and Collateral Pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSecuritiesFinancingTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Securities Financing Transactions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfConstructionOfNewOffices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of construction of new offices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfConstructionOfNewOffices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Construction of New Offices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfConstructionOfNewOffices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of construction of new offices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and Local Governments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US States and Political Subdivisions Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueAfterFiveYearsWithinFifteenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Major category of receivables due after five years within fifteen years.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueAfterFiveYearsWithinFifteenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Category Of Receivables Due After Five Years Within Fifteen Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Losses, Aggregated by Investment Category and Length of Time</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentLoanIsWellSecuredAndProcessOfCollection_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delinquent loan is well secured and process of collection.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentLoanIsWellSecuredAndProcessOfCollection_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delinquent Loan Is Well Secured And Process Of Collection</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DelinquentLoanIsWellSecuredAndProcessOfCollection_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delinquent loan is well secured and process of collection</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianFinancialServiceIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ossian [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianFinancialServiceIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ossian Financial Services, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianFinancialServiceIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ossian Financial Service Incorporated [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianFinancialServiceIncorporatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ossian financial services incorporated.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Shares, Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Pro Forma Net Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PassMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pass [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PassMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pass [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsumerPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsumerPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Portfolio Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ContractualAgingOfRecordedInvestmentInPastDueLoansByClassOrLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contractual Aging of Recorded Investment in Past Due Loans by Portfolio Classification of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ContractualAgingOfRecordedInvestmentInPastDueLoansByClassOrLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Aging Of Recorded Investment In Past Due Loans By Class Or Loans Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ContractualAgingOfRecordedInvestmentInPastDueLoansByClassOrLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of contractual aging of the recorded investment in past due loans by class or loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQualityEndingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance: loans acquired with deteriorated credit quality</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQualityEndingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality Ending Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQualityEndingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses acquired with deteriorated credit quality ending period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnsecuredConsumerLoansCreditCardCreditsAndOverdraft_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured consumer loans, credit card credits and overdraft lines of credit reach</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnsecuredConsumerLoansCreditCardCreditsAndOverdraft_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Consumer Loans Credit Card Credits And Overdraft</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnsecuredConsumerLoansCreditCardCreditsAndOverdraft_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unsecured consumer loans credit card credits and overdraft.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfPeerGroupBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of peer group banks.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfPeerGroupBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Peer Group Banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfPeerGroupBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of peer group banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, After ten years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Debt and Equity Securities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Benefit Plans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Benefits [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash paid for acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for the capital stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonEquityTierOneCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonEquityTierOneCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictionsOnDividendsLoansAndAdvancesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restrictions of Dividends &amp; Inter-company Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictionsOnDividendsLoansAndAdvancesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restrictions on Dividends, Loans and Advances [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Servicing Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfers and Servicing of Financial Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestBearingDepositsLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Bearing Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestBearingDepositsLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Deposits Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestBearingDepositsLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest bearing deposits liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorsReceivedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of directors received shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorsReceivedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Directors Received Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorsReceivedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of directors received shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Portfolio Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Portfolio Segment [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average fair value per award, Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, Plant and Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfClientsAssetsUnderManagement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of clients assets under management</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfClientsAssetsUnderManagement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Clients Assets Under Management</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfClientsAssetsUnderManagement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of clients assets under management.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Designated as Hedging Instrument [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Designated as Hedging Instrument [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Federal Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transferred of liabilities in or out of level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Goodwill, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Goodwill, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier 1 Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Actual Amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier 1 Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Actual Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivable Allowance For Credit Losses [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ElevenAgriculturalRealEstateStrataMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Eleven agricultural real estate strata.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ElevenAgriculturalRealEstateStrataMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eleven Agricultural Real Estate Strata [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxAssetsNetUnrealizedLossOnAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized loss on available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxAssetsNetUnrealizedLossOnAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Net Unrealized Loss On Available For Sale Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxAssetsNetUnrealizedLossOnAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets net unrealized loss on available for sale securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccruedInterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Interest Receivable And Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccruedInterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued interest receivable and other assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccruedInterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest receivable - available-for-sale securities / interest bearing time deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Board of Directors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified, Increase (Decrease) from Modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase to loan balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorsReceivedProratedDollarValueOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of directors received prorated dollar value of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorsReceivedProratedDollarValueOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Directors Received Prorated Dollar Value Of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfDirectorsReceivedProratedDollarValueOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of directors received prorated dollar value of shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankOfGenevaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank of Geneva [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankOfGenevaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank Of Geneva [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankOfGenevaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank of Geneva.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalForgivenessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal Forgiveness [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalForgivenessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Principal Forgiveness [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning of Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">End of Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset at Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan servicing rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsUnderManagementCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets under management amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsUnderManagementCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets under Management, Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExcludesSharesAwardedDueToRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted shares vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExcludesSharesAwardedDueToRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Excludes Shares Awarded Due To Retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExcludesSharesAwardedDueToRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award equity instruments other than options vested excludes shares awarded due to retirement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Investment in Nonaccrual Loans by Portfolio Class of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Nonaccrual [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxAssetsFairValueAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxAssetsFairValueAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Fair Value Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxAssetsFairValueAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets fair value adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transferred of assets in or out of level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfNewLoansApproved_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of new loans approved</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfNewLoansApproved_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of New Loans Approved</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfNewLoansApproved_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of new loans approved.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OperatingLeaseAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating Lease Assets And Liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OperatingLeaseAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Assets And Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OperatingLeaseAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Lease Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Tax [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RecordedInvestmentInThoseClassesBasedOnPaymentActivityAndAssignedGradingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Investment for Consumer Loans, Credit Quality based on Status of Loan and Payment Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RecordedInvestmentInThoseClassesBasedOnPaymentActivityAndAssignedGradingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recorded Investment In Those Classes Based On Payment Activity And Assigned Grading Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RecordedInvestmentInThoseClassesBasedOnPaymentActivityAndAssignedGradingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of impaired loans classified as troubled debt restructure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized compensation cost related to the nonvested portion of restricted stock awards under the plan, period for recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToFourEmployeesOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Four employees received shares from awards granted due to retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToFourEmployeesOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Awards Granted To Four Employees On Retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToFourEmployeesOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of awards granted to four employees on retirement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoninterestBearing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest bearing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoninterestBearing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noninterest Bearing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoninterestBearing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed non interest bearing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Grants Originated In Period One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Award Grants Originated In Period One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards grants originated in 2020 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareVestedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares vest under the plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareVestedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Vested Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareVestedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award equity instruments other than options share vested percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Loans Acquired and Contractually Required Payments Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Certain loans acquired in transfer accounted for as debt securities acquired during period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, After ten years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Average Outstanding Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2017 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Year Two Thousand Seventeen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_YearTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Year two thousand seventeen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LimberlostBancsharesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Limberlost Bancshares, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LimberlostBancsharesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Limberlost Bancshares Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LimberlostBancsharesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Limberlost Bancshares, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier1 Capital Required For Capital Adequacy To Risk Weighted Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common equity tier 1 capital required for capital adequacy to risk weighted assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RiskCategoryOfLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk Category of Loans by Portfolio Class</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RiskCategoryOfLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk Category Of Loans Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RiskCategoryOfLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of risk category of loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleSecuritiesDebtMaturitiesFairValueExcludingMortgageBackedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleSecuritiesDebtMaturitiesFairValueExcludingMortgageBackedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities Fair Value Excluding Mortgage Backed Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AvailableForSaleSecuritiesDebtMaturitiesFairValueExcludingMortgageBackedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities debt maturities fair value excluding mortgage backed securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Federal Home Loan Bank advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Borrowings, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowing capacity under the Federal Reserve's BTFP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Grants Originated In Period Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Award grants originated in period two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards grants originated in 2018, 2019 and 2020 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Maturity30To90DaysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">30-90 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Maturity30To90DaysMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity 30 to 90 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FamilyRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">1-4 family real estate loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FamilyRealEstateLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">1-4 Family Real Estate Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImpairedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Dependent Impaired Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImpairedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImpairedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Impaired Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Increase (Decrease) in Cash and Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed loans net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBank_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier 1 Capital To Risk Weighted Assets Farmers And Merchants State Bank</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBank_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Equity Tier 1 Capital To Risk Weighted Assets Farmers And Merchants State Bank, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PerpetualFederalSavingBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual Federal Savings Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PerpetualFederalSavingBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Perpetual Federal Saving Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PerpetualFederalSavingBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Perpetual federal savings bank.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other General and Administrative Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance: individually evaluated for impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Individually Evaluated for Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_USStatesAndPoliticalSubdivisionsTaxExemptDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and Local Governments Tax-Exempt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_USStatesAndPoliticalSubdivisionsTaxExemptDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">U S States And Political Subdivisions Tax Exempt Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_USStatesAndPoliticalSubdivisionsTaxExemptDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">US states and political subdivisions tax-exempt debt securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfFullServiceOffices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of full-service offices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfFullServiceOffices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Full Service Offices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfFullServiceOffices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of full service offices.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Peoples Federal Savings and Loan Bank</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Peoples Federal Savings And Loan Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Peoples federal savings and loan bank.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accrued Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fin Stmt Error Correction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows expected to be collected at acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFiscalYearBeforeCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs fiscal year before current fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFiscalYearBeforeCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Fiscal Year Before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFiscalYearBeforeCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross charge-offs - fiscal year 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MaturityScheduleByMajorCategoryOfLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contractual Maturity Schedule by Major Category of Loans Excluding Fair Value Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MaturityScheduleByMajorCategoryOfLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maturity Schedule By Major Category Of Loans Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MaturityScheduleByMajorCategoryOfLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of maturity schedule by major category of loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaycheckProtectionProgramLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PPP Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaycheckProtectionProgramLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Paycheck Protection Program Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaycheckProtectionProgramLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Paycheck protection program loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of Other Comprehensive Income (Loss) and Related Tax Effects</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPolicyOrMethodologyChangePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Losses, Policy or Methodology Change [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPolicyOrMethodologyChangePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred State and Local Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument Performance Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument Performance Status [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Quarterly Financial Data</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Quarterly Financial Information [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccruedInterestPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccruedInterestPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Interest Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccruedInterestPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued interest payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Letter of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year One, Originated, Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NetOccupancyCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Occupancy Costs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NetOccupancyCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Occupancy Costs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NetOccupancyCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net Occupancy Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfSecurityTransfer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security transfer from Level 3 to Level 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfSecurityTransfer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Security Transfer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfSecurityTransfer_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of security transfer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RevisionOfPriorPeriodAccountingStandardsUpdateAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period, Accounting Standards Update, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RevisionOfPriorPeriodAccountingStandardsUpdateAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of ASU 2016-13 Adoption [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgingPurposeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledging Purpose [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalHomeLoanBankAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Home Loan Bank (FHLB) advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalHomeLoanBankAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Home Loan Bank Advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalHomeLoanBankAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed federal home loan bank advances.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DifferenceBetweenRelatedPartyDepositAndLoanLendingAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Difference in related borrowings amounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DifferenceBetweenRelatedPartyDepositAndLoanLendingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Difference Between Related Party Deposit And Loan Lending Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DifferenceBetweenRelatedPartyDepositAndLoanLendingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Difference between related party deposit and loan lending amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans - Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans and Leases Receivable, Net Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans, net of allowance for credit losses of $25,024 and $20,313</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average common shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted average common shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_GoodwillDeductibleForTaxPurposePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill deductible for tax purpose, period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_GoodwillDeductibleForTaxPurposePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill Deductible For Tax Purpose Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_GoodwillDeductibleForTaxPurposePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Goodwill deductible for tax purpose, period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ProvisionForCreditLossesoffBalanceSheetCreditExposures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Provision for credit losses-off balance sheet credit exposures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ProvisionForCreditLossesoffBalanceSheetCreditExposures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision For Credit Lossesoff Balance Sheet Credit Exposures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ProvisionForCreditLossesoffBalanceSheetCreditExposures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for Credit Losses - Off Balance Sheet Credit Exposures*</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ProvisionForCreditLossesoffBalanceSheetCreditExposures_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Provision for credit losses-Off balance sheet credit exposures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption price of principal amount of notes redeemed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesAfterFifteenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Major category of receivables after fifteen years.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesAfterFifteenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Category Of Receivables After Fifteen Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesAfterFifteenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Major Category Of Receivables After Fifteen Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Activity of Restricted Stock Awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankLoanMaturityYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank loan maturity year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankLoanMaturityYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank Loan Maturity Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BankLoanMaturityYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank loan maturity year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionShareOwnedSubjectToAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business acquisition share owned subject to adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionShareOwnedSubjectToAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Share Owned Subject To Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionShareOwnedSubjectToAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition share owned subject to adjustment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsGrandNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs grand net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsGrandNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Grand Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsGrandNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gross charge-offs - Grand Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Related Party Transactions By Related Party [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonperformingFinancingReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonperforming [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonperformingFinancingReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonperforming Financial Instruments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total future lease payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImpairedFinancingReceivableWithRelatedAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Impaired financing receivable with related allowance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImpairedFinancingReceivableWithRelatedAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable With Related Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ImpairedFinancingReceivableWithRelatedAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With a specific allowance recorded, Related Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Held [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivablesImpairedNumberOfTroubledDebtRestructuringWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TDR impaired loans paid off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivablesImpairedNumberOfTroubledDebtRestructuringWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Impaired Number Of Troubled Debt Restructuring Write Down</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivablesImpairedNumberOfTroubledDebtRestructuringWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivables impaired number of troubled debt restructuring write down.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalizedServiceRightAssetsIncludedInOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capitalized service right assets included in other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalizedServiceRightAssetsIncludedInOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capitalized Service Right Assets Included In Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalizedServiceRightAssetsIncludedInOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capitalized service right assets included in other assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Sold under Agreements to Repurchase [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold under Agreements to Repurchase [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfCaptiveClaimsTransactionOfInterestLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of captive claims transaction of interest loss ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfCaptiveClaimsTransactionOfInterestLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Captive Claims Transaction of Interest Loss Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfCaptiveClaimsTransactionOfInterestLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of captive claims transaction of interest loss ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset at Amortized Cost, Increase (Decrease) for Valuation Allowance Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeDebtSecuritiesAvailableForSaleOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Debt Securities, Available-for-Sale, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeDebtSecuritiesAvailableForSaleOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest - available-for-sale securities / interest-bearing time deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfConsumerPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of consumer purchased credit impaired loans paid off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfConsumerPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Consumer Purchased Credit Impaired Loans Paid Off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfConsumerPurchasedCreditImpairedLoansPaidOff_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of consumer purchased credit impaired loans paid off.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan Servicing Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Servicing Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Servicing Right [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsumerOtherFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer - Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsumerOtherFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Other Financing Receivables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ConsumerOtherFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer Other Financing Receivables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialAndAgriculturalLoanPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial and agricultural loan portfolio segment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialAndAgriculturalLoanPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial and Agricultural Loan Portfolio Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialAndAgriculturalLoanPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial and Agricultural [member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OfficeConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction in progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OfficeConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Construction In-Progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OfficeConstructionInProgress_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office construction in-progress.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParticipatingMortgageLoanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participating Mortgage Loan, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParticipatingMortgageLoanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Participating Mortgage Loan, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agricultural real estate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agricultural Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgriculturalRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agricultural Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Treasury stock repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccountingStandardsUpdate202309Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Standards Update 2023-09.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccountingStandardsUpdate202309Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2023-09 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AccountingStandardsUpdate202309Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU 2023-09 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization of premiums on available-for-sale securities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accretion (Amortization) of Discounts and Premiums, Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Buildings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Building [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Building [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendAndAccountsReceivableFromSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends and accounts receivable from subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendAndAccountsReceivableFromSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend And Accounts Receivable From Subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DividendAndAccountsReceivableFromSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend and accounts receivable from subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage Capital to Adjusted Total Assets For Capital Adequacy Purposes, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Leverage Capital, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Debt Securities, Available-for-Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and equipment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier 1 Leverage Capital To Adjusted Total Assets For Capital Adequacy, Farmers And Merchants State Bank, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableRelatedAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation allowance related to impaired loans</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance at beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at ending of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformingFinancingReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performing [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank undertook amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized bank amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Assets Sold Under Agreements To Repurchase [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Assets Sold under Agreements to Repurchase [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedIncomeStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Condensed Income and Comprehensive Income Statements</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherNonInterestIncomeExpenseRecoveryRelatedToUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Non Interest Income Expense Recovery Related To Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherNonInterestIncomeExpenseRecoveryRelatedToUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other non interest Income expense (recovery) related to unfunded.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest receivable fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MaximumTimeForReevaluation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum time for re-evaluation (in months)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MaximumTimeForReevaluation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Time For Reevaluation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MaximumTimeForReevaluation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum time for reevaluation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Operations</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCrediTlossesWriteoffsInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credi tlosses writeoffs in current fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCrediTlossesWriteoffsInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credi tLosses WriteOffs In Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCrediTlossesWriteoffsInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross charge-offs - fiscal year 2023</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SummaryOfIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1ToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital to Risk Weighted Assets Actual, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1ToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier1 To Risk Weighted Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1ToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common equity Tier 1 (CET1) divided by risk weighted assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OperatingLossCarryforwardAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating loss carryforward at acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OperatingLossCarryforwardAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforward at Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OperatingLossCarryforwardAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforward at acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Credit Quality Indicator [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-Based Compensation</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With a specific allowance recorded, Interest Income Recognized</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateAcquiredThroughForeclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreclosed residential real estate property</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Credit Quality Indicators [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk Category of Loans by Portfolio Class Based on Year of Origination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DistributedEarningsOfDissolvedSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distributed earnings of dissolved subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DistributedEarningsOfDissolvedSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distributed Earnings Of Dissolved Subsidiary</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DistributedEarningsOfDissolvedSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributed earnings of dissolved subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities - available-for-sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Pronouncements</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAtFairValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Assets at Fair Value [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Liability Derivatives, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Property, Plant and Equipment, Gross, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Property, Plant and Equipment, Gross, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and Equipment (Gross)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Notes Payable, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinated notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ATMExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ATM Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ATMExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A T M Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ATMExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ATM expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">With a specific allowance recorded, Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impaired loans with a valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with Related Allowance, Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current State and Local Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Portfolio Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedging Designation [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross realized gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgricultureRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agricultural Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgricultureRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agriculture Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgricultureRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agriculture Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AgricultureRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Agricultural Real Estate Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition, Acquiree</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Acquiree [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Available-for-Sale Securities, Tax, Portion Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax expense (benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Available-for-Sale Securities, Tax, Portion Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Restricted Shares Issued, Vested and Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Trading Securities And Other Trading Assets [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading, and Equity Securities, FV-NI [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CollateralDependentLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Collateral dependent loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CollateralDependentLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Dependent Loans [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CollateralDependentLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral-dependent Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TierOneCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TierOneCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TierOneCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier One Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnrecognizedInterestIncomeUntilLoanBalanceReduced_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized interest income until loan balance reduced.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnrecognizedInterestIncomeUntilLoanBalanceReduced_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Interest Income Until Loan Balance Reduced</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_UnrecognizedInterestIncomeUntilLoanBalanceReduced_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized interest income until loan balance reduced</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying amount, net of fair value adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Carrying Amount, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total loans past-due ninety days or more and still accruing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Investment &gt; 90 Days and Accruing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, 90 Days or More Past Due, Still Accruing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Interest Entity [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Securities for which Entity has Right to Sell or Repledge [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TransfersOfFinancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers of Financial Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TransfersOfFinancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfers Of Financial Assets Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TransfersOfFinancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfers of financial assets policy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Future Amortization of Core Deposit Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsToExtendCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments to extend credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsToExtendCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments to Extend Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesAccretedDiscountsOnBonds_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accreted discounts on bonds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesAccretedDiscountsOnBonds_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Accreted Discounts On Bonds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxLiabilitiesAccretedDiscountsOnBonds_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax liabilities accreted discounts on bonds.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance: collectively evaluated for impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RepaymentPeriodOfLoanWithReasonableReductionOfPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment period of loan with a reasonable reduction of principal balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RepaymentPeriodOfLoanWithReasonableReductionOfPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment Period Of Loan With Reasonable Reduction Of Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RepaymentPeriodOfLoanWithReasonableReductionOfPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment period of loan with reasonable reduction of principal balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative, Gain (Loss) on Derivative, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Gain (Loss) on Derivative, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain (loss) recognized on consolidated statements of income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Effects of derivatives on consolidated statement of income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in the Level 3 Fair-Value Category of Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage-backed Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Net deferred loan fees and costs and other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Disposals</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Disposals of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgedAssetFairValueHedgeCumulativeIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgedAssetFairValueHedgeCumulativeIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EquityInUndistributedDistributionsInExcessOfNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity in undistributed distributions in excess of net income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EquityInUndistributedDistributionsInExcessOfNetIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity In Undistributed Distributions In Excess Of Net Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EquityInUndistributedDistributionsInExcessOfNetIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Equity in undistributed (distributions in excess of) net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxesBusinessCombinationAllocatedToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred taxes business combination allocated to additional paid in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxesBusinessCombinationAllocatedToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Taxes Business Combination Allocated To Additional Paid In Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DeferredTaxesBusinessCombinationAllocatedToAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred taxes business combination allocated to additional paid in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledged Status [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With no related allowance recorded, Average Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total Risk-Based Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total Risk-Based Capital to Risk Weighted Assets, Farmers And Merchants State Bank, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized gains (losses) on securities, net of taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAmortization1_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAmortization1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset at Amortized Cost, Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanAndLeasesReceivableExcludingFairValeAdjustmentForInterestSwapHedges_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan and leases receivable excluding fair vale adjustment for interest swap hedges.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanAndLeasesReceivableExcludingFairValeAdjustmentForInterestSwapHedges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan And Leases Receivable Excluding Fair Vale Adjustment For Interest Swap Hedges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanAndLeasesReceivableExcludingFairValeAdjustmentForInterestSwapHedges_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans after net deferred loan fees and costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scheduled Maturities for Time Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParticipatingMortgageLoansAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participating Mortgage Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParticipatingMortgageLoansAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Participating Mortgage Loans [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities Assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Advances, secured by mortgage loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Financing Receivable, after Allowance for Credit Loss, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance: loans acquired with deteriorated credit quality</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, after Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimate of Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted average fair value per award, Beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted average fair value per award, Nonvested, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingCapitalConservationBuffer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum ratio of capital to risk-weighted assets including capital conservation buffer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingCapitalConservationBuffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Required For Capital Adequacy To Risk Weighted Assets Including Capital Conservation Buffer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingCapitalConservationBuffer_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital required for capital adequacy to risk weighted assets including capital conservation buffer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Time deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Expenses, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DefinedContributionPlanNonelectiveEmployerContributionVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonelective employer contribution vesting percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DefinedContributionPlanNonelectiveEmployerContributionVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan Nonelective Employer Contribution Vesting Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DefinedContributionPlanNonelectiveEmployerContributionVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Defined contribution plan nonelective employer contribution vesting percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreclosed Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advance, Maturity, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unpaid Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, Unpaid Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Individual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other Real Estate Owned-Residential [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Real Estate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Residential Portfolio Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Past Due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, before Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Grand Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized compensation cost related to the nonvested portion of restricted stock awards under the plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTermTotal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs term total.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTermTotal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Term Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTermTotal_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gross charge-offs - Term Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertificatesOfDepositMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term CDs Sold Under Agreement to Repurchase [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CertificatesOfDepositMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certificates of Deposit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Portfolio Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial &amp; Industrial [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commercial and Industrial [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage Capital to Adjusted Total Assets For Capital Adequacy Purposes, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DefinedContributionPlanEmployerMatchingContributionDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Defined contribution plan employer matching contribution description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DefinedContributionPlanEmployerMatchingContributionDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan Employer Matching Contribution Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DefinedContributionPlanEmployerMatchingContributionDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Defined contribution plan employer matching contribution description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Funds Purchased and Securities Sold Under Agreement to Repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubstandardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">6 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubstandardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Substandard [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubstandardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Substandard [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Rate End of Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities sold under agreements to repurchase weighted average interest rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Peoples Federal Savings and Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Peoples Federal Savings And Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeoplesFederalSavingsAndLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Peoples Federal Savings And Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer list intangible</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ExcellentAndGoodMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1-2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ExcellentAndGoodMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excellent And Good [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ExcellentAndGoodMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excellent And Good [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: undistributed earnings allocated to participating securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Earnings (Loss) Allocated to Participating Securities, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares awarded for other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Awarded Due To Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToOther_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award number of employee share awarded due to other.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier1 Capital Required To Be Well Capitalized To Risk Weighted Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTier1CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common equity tier 1 capital required to be well capitalized to risk weighted assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Dividend Income, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gain (loss) on available-for-sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Federal Home Loan Bank, Advance, Maturity, Year One, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advance, Maturity, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advance, Maturity, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend approved by federal reserve for the acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices, Statutory Amount Available for Dividend Payments with Regulatory Approval</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured borrowings through correspondent banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTierOneCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Equity Tier 1 Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTierOneCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Equity Tier One Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommonEquityTierOneCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common equity tier one capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LesseeLeaseTermsAndDiscountRateOperatingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee lease terms and discount rate operating.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsNonrecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Nonrecurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NonaccrualWithNoAllowanceForCreditLossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonaccrual with no allowance for credit loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NonaccrualWithNoAllowanceForCreditLossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonaccrual With No Allowance For Credit Loss [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares awarded due to retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Awards Granted To One Employee On Retirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeOnRetirement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of awards granted to one employee on retirement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, frequency of periodic payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Frequency of Periodic Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NonInterestBearingDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Interest Bearing Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NonInterestBearingDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non interest bearing deposits.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Borrowings</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DiscountRecognizedAtAcquisitionRelatedToCommercialPurchasedCreditImpairedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discount Recognized At Acquisition Related To Commercial Purchased Credit Impaired Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_DiscountRecognizedAtAcquisitionRelatedToCommercialPurchasedCreditImpairedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discount recognized at acquisition related to commercial purchased credit-impaired loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With no related allowance recorded, Interest Income Recognized Cash Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total nonaccrual loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment in nonaccrual loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Nonaccrual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Financing Receivable [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Previously Reported [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-ASU 2016-13 Adoption [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EquityInUndistributedEarningsDistributionsInExcessOfEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity In Undistributed Earnings Distributions In Excess Of Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EquityInUndistributedEarningsDistributionsInExcessOfEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity in undistributed earnings (distributions in excess of earnings).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_EquityInUndistributedEarningsDistributionsInExcessOfEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity in undistributed (distributions in excess of) earnings of subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State income tax, net of federal benefit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeBeforeProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma net interest income before provision for loan losses and unfunded.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeBeforeProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Net Interest Income Before Provision For Loan Losses And Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeBeforeProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Interest Income - Before Provision for Credit Losses and Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prime Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prime Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for credit losses and unfunded commitment liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Credit Losses And Unfunded Commitment Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses and unfunded commitment liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSubordinatedLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of subordinated notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSubordinatedLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Subordinated Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1CapitalToRiskWeightedAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier 1 Capital To Risk Weighted Assets For Capital Adequacy, Farmers And Merchants State Bank, Amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_Tier1CapitalToRiskWeightedAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tier 1 Capital To Risk Weighted Assets For Capital Adequacy, Farmers And Merchants State Bank, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Assets Measured at Fair Value on Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of contracts modified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Contracts Modified in the Last 12 Months</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modifications, Number of Contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Quarterly Financial Information Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinated Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subordinated Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralPledgedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Dependent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralPledgedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Pledged [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralPledgedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Collateral Pledged [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance: individually evaluated for impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfNotesPricesOnPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of notes prices on principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfNotesPricesOnPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Notes Prices On Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfNotesPricesOnPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of notes prices on principal amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Investing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of subordinated note issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amortization of subordinated notes issuance fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reported Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reported Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Swap [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate swaps</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaIncomeLossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaIncomeLossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Income Loss Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaIncomeLossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma income loss before income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfInterestOnLoanAccruesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Interest On Loan Accrues Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfInterestOnLoanAccruesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of interest on loan accrues rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PercentageOfInterestOnLoanAccruesRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of interest on loan accrued rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://fasb.org/us-gaap/role/label/axisDefault">Portion at Fair Value Measurement [Member] [Default]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Disclosure Item Amounts [Default]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Portion at Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unallocated [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unallocated Financing Receivables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanReceivableWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan receivable weighted average life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanReceivableWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Receivable Weighted Average Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_LoanReceivableWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan receivable weighted average useful life.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxExpenseBenefitContinuingOperationsIncreaseDecreaseByItemsReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Decrease) increase resulting from:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxExpenseBenefitContinuingOperationsIncreaseDecreaseByItemsReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense Benefit Continuing Operations Increase Decrease By Items Reconciliation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_IncomeTaxExpenseBenefitContinuingOperationsIncreaseDecreaseByItemsReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Tax Expense Benefit Continuing Operations Increase Decrease By Items Reconciliation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NatureOfOperationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nature of Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NatureOfOperationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nature Of Operation Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NatureOfOperationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nature of operation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restrictions on Cash and Amounts Due from Banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy Purposes, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Trading Securities and Other Trading Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, FV-NI [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest income recognized on impaired loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Income Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable, Interest Income, Accrual Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Fair Value Off Balance Sheet Risks [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Fair Value, off-Balance-Sheet Risks [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Collection of Long-Term Loans to Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToTerminate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Existence of Option to Terminate [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToTerminate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, Operating Lease, Existence of Option to Terminate [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenDownValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination, premises and equipment written down value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenDownValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Assets In Premises And Equipment Written Down Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenDownValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable assets in premises and equipment written down value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, After one year through five years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans after net deferred loan fees and costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans after net deferred loan fees and costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans and Leases Receivable, Net of Deferred Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employer matching contribution and the discretionary contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Employer Discretionary Contribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unfunded Loan Commitment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded loan commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableNonaccrualInterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Nonaccrual, Interest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableNonaccrualInterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income on nonaccrual loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansInProcessOfForeclosureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential real estate properties foreclosure proceedings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansInProcessOfForeclosureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans in Process of Foreclosure, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HomeEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Home Equity Line of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HomeEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">HALOC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average fair value per award, Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Mortgage-backed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Security, Mortgage-Backed, Available-for-Sale, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses writeoffs two years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Writeoffs Two Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross charge-offs - fiscal year 2021</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Loan Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Post-Modification Outstanding Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified in Period, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianStateBanksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ossian State Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianStateBanksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ossian State Banks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OssianStateBanksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ossian state bank.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Impaired Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivables [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Condensed Balance Sheets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Balance Sheet [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Fair Values and Related Carrying or Notional Amounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialsAndIndustrialMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial and Industrial [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialsAndIndustrialMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercials And Industrial [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CommercialsAndIndustrialMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial and industrial.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Greater Than 90 Days [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Equal to or Greater than 90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesRelatesToUnfundedLoanCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses relates to unfunded loan commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesRelatesToUnfundedLoanCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Credit Losses Relates To Unfunded Loan Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AllowanceForCreditLossesRelatesToUnfundedLoanCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for credit losses relates to unfunded loan commitments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherSecuritiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherSecuritiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Securities Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherSecuritiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for other securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument Performance Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument Performance Status [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Portfolio Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Portfolio Segment [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value by Liability Class</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value by Liability Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetPledgedAsCollateralWithoutRightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledged as Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetPledgedAsCollateralWithoutRightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Pledged as Collateral without Right [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeriodForFederalFundsSoldOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period for federal funds sold outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeriodForFederalFundsSoldOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period For Federal Funds Sold Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PeriodForFederalFundsSoldOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period for federal funds sold outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OriginalMaturityPeriodToConsiderAllHighlyLiquidInvestmentsPurchasedAsCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity period of cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OriginalMaturityPeriodToConsiderAllHighlyLiquidInvestmentsPurchasedAsCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Original Maturity Period To Consider All Highly Liquid Investments Purchased As Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OriginalMaturityPeriodToConsiderAllHighlyLiquidInvestmentsPurchasedAsCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Original maturity period to consider all highly liquid investments purchased as cash equivalents.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyTransactionNewLoansApproved_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction new loans approved.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyTransactionNewLoansApproved_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction New Loans Approved</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_RelatedPartyTransactionNewLoansApproved_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New loans approved</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notional Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToTerminate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Option to Terminate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToTerminate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, Operating Lease, Option to Terminate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net earnings available to common shareholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Charge Offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loans charged off</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance for Loan and Lease Losses, Writeoff</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of Shares, Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted shares forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares forfeited due to employee termination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledged Status [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Held for Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Held-for-Sale [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseAverageOutstandingAmountInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Approximate Average Outstanding in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseAverageOutstandingAmountInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold Under Agreements To Repurchase Average Outstanding Amount In Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_SecuritiesSoldUnderAgreementsToRepurchaseAverageOutstandingAmountInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities sold under agreements to repurchase average outstanding amount in period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeForOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted shares awarded for other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeForOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Awards Granted To One Employee For Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_NumberOfAwardsGrantedToOneEmployeeForOther_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of awards granted to one employee for other.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfSecuritiesSoldUnderAgreementToRepurchaseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Daily Securities under Agreement to Repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfSecuritiesSoldUnderAgreementToRepurchaseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Securities Sold Under Agreement To Repurchase Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_ScheduleOfSecuritiesSoldUnderAgreementToRepurchaseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of securities sold under agreement to repurchase.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available-for-Sale Securities, Debt Maturities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Interest Receivable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedBorrowingsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings and Subordinated Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubordinatedBorrowingsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subordinated Borrowings Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Noninterest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma noninterest income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable term loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Term Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_FinancingReceivableTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Term Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeAfterProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisitions pro forma net interest income after provision for loan losses and unfunded.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeAfterProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisitions Pro Forma Net Interest Income After Provision For Loan Losses And Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeAfterProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Interest Income After Provision for Credit Losses and Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessAcquisitionsProFormaNetInterestIncomeAfterProvisionForLoanLossesAndUnfunded_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Interest Income After Provision for Credit Losses and Unfunded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableWithVariableRatesOfInterest1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution of variable rate loans by major loan category, Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableWithVariableRatesOfInterest1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable with Variable Rates of Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Capital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Risk-Based Capital to Risk Weighted Assets Actual, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Capital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Regulation, Total Capital, Actual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Changes in Accretable Yield or Income Expected to be Collected</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Movement Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Certain loans acquired in transfer accounted for as debt securities accretable yield movement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosures [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Property Plant And Equipment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining economic useful life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Remaining Amortization Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAverageRemainingMaturity1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Average Remaining Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAverageRemainingMaturity1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Remaining Maturity (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other securities, at cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed other securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stockholders' Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders' equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentChangesFromMonthlyPaymentToPrincipalAndInterestAtMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment Changes from Monthly Payment to Principal and Interest at Maturity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentChangesFromMonthlyPaymentToPrincipalAndInterestAtMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Changes From Monthly Payment To Principal And Interest At Maturity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PaymentChangesFromMonthlyPaymentToPrincipalAndInterestAtMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment changes from monthly payment to principal and interest at maturity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">USD-SOFR-OIS [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condensed Financial Statements of Parent Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Information of Parent Company Only Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TDR loans, subsequently defaulted during the period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross realized losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesFairValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value adjustment of loans acquired and accounted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesFairValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesFairValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Accounted For As Debt Securities Fair Value Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesFairValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Certain loans acquired in transfer accounted for as debt securities fair value adjustment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Farmers &amp; Merchants State Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Documents Incorporated by Reference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Documents Incorporated by Reference [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_OtherLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationsLoansAcquiredCarryingAmountTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Carrying Amount of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationsLoansAcquiredCarryingAmountTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations Loans Acquired Carrying Amount Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationsLoansAcquiredCarryingAmountTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combinations loans acquired carrying amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivables30To59DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">30 to 59 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivables30To59DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, 30 to 59 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashManagementAdvanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Management Advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashManagementAdvanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Management Advance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashManagementAdvanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash management advance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndOperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndOperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndOperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest and operating expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfers and Servicing [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StandbyLettersOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standby letters of credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StandbyLettersOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Standby Letters of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSubordinatedBorrowingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Subordinated Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSubordinatedBorrowingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Subordinated Borrowing [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxExemptIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax exempt interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxExemptIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing time deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Time Deposit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed interest bearing time deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Held-to-Maturity Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advance, Maturity, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_VariableLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Variable line of credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_VariableLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Line Of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_VariableLineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable line of credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, After one year through five years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of the Statutory Federal Income Tax Rate to the Effective Tax Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_USStatesAndPoliticalSubdivisionsTaxableDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and Local Governments Taxable[Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_USStatesAndPoliticalSubdivisionsTaxableDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">U S States And Political Subdivisions Taxable Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_USStatesAndPoliticalSubdivisionsTaxableDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">US states and political subdivisions taxable debt securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Realized gains on sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Disposition of Assets for Financial Service Operations, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Realized gains and losses on sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Disposition of Assets for Financial Service Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy, Farmers And Merchants State Bank, Amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy, Farmers And Merchants State Bank, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeSecuritiesTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Securities for which Entity has Right to Sell or Repledge, Securities Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Federal Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans - Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans and Leases Receivable, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashConsiderationPayableOnAcquisitionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash payment for exchange of each share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashConsiderationPayableOnAcquisitionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Consideration Payable On Acquisition Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_CashConsiderationPayableOnAcquisitionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash consideration payable on acquisition, per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesReportingOfDerivativeActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives, Reporting of Derivative Activity [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesReportingOfDerivativeActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time Deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_TimeDepositsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Time deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average remaining lease term (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of total eligible compensation, contribution by Bank, maximum limit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndFeeIncomeLoansAndLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest And Fee Income Loans And Leases.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndFeeIncomeLoansAndLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Fee Income Loans And Leases [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_InterestAndFeeIncomeLoansAndLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans, Including Fees [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Assets Purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TimeDepositMaturitiesYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities, Year One</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Amount of the Hedged Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: average unvested restricted shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares, Restricted Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Losses, Twelve Months and Over</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Bank's Actual and Required Capital Amounts and Ratios</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PerpetualFederalSavingsBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual Federal Savings Bank {Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PerpetualFederalSavingsBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Perpetual Federal Savings Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_PerpetualFederalSavingsBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Perpetual federal savings bank.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Grants Originated In Period Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Award grants originated in period four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_AwardGrantsOriginatedInPeriodFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Awards grants originated in 2020, 2021 and 2022 [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueWithinOneYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Category Of Receivables Due Within One Year [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="fmao_MajorCategoryOfReceivablesDueWithinOneYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Major Category Of Receivables Due Within One Year [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase agreements, Remaining contractual maturity of the agreements</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount Outstanding at End of Period</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of Shares, Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Average investment in impaired loans</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and Cash Equivalents - Beginning of Year</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsumerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsumerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Allowance for loan losses</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at ending of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans and Leases Receivable, Allowance</link:label>
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  <xsd:element id="fmao_LossMember" name="LossMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_ReclassificationOfGainsLossesToNetIncome" name="ReclassificationOfGainsLossesToNetIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FinancingReceivableOriginatedFourOrMoreYearsBeforeLatestFiscalYear" name="FinancingReceivableOriginatedFourOrMoreYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_PercentageOfCaptiveClaimsListedTransactionLossRatio" name="PercentageOfCaptiveClaimsListedTransactionLossRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenUpValue" name="BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenUpValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_CommonEquityTier1ToRiskWeightedAssets" name="CommonEquityTier1ToRiskWeightedAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_NumberOfPeerGroupBanks" name="NumberOfPeerGroupBanks" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_PercentageOfCaptiveClaimsTransactionOfInterestLossRatio" name="PercentageOfCaptiveClaimsTransactionOfInterestLossRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BankLoanMaturityYear" name="BankLoanMaturityYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio" name="CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_GoodwillDeductibleForTaxPurposePeriod" name="GoodwillDeductibleForTaxPurposePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_MortgageLoansAtCostMember" name="MortgageLoansAtCostMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DefinedContributionPlanNonelectiveEmployerContributionVestingPercentage" name="DefinedContributionPlanNonelectiveEmployerContributionVestingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AvailableForSaleSecuritiesDebtMaturitiesFairValueExcludingMortgageBackedSecurities" name="AvailableForSaleSecuritiesDebtMaturitiesFairValueExcludingMortgageBackedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_CashManagementAdvanceMember" name="CashManagementAdvanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BusinessAcquisitionsProFormaNoninterestExpense" name="BusinessAcquisitionsProFormaNoninterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_PeriodForClassifyingLoanAsNonAccrualStatus" name="PeriodForClassifyingLoanAsNonAccrualStatus" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_DividendAndAccountsReceivableFromSubsidiary" name="DividendAndAccountsReceivableFromSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_CommonEquityTierOneCapitalMember" name="CommonEquityTierOneCapitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_NumberOfStrataWhichIncludedLoan" name="NumberOfStrataWhichIncludedLoan" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AmortizedCostAndFairValueDebtSecuritiesAbstract" name="AmortizedCostAndFairValueDebtSecuritiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_InterestPayableFairValueDisclosure" name="InterestPayableFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareIssued" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AdamsCountyFinancialResourcesMember" name="AdamsCountyFinancialResourcesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_LesseeLeaseTermsAndDiscountRateOperatingTableTextBlock" name="LesseeLeaseTermsAndDiscountRateOperatingTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_ImmediateVestingMember" name="ImmediateVestingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_TimeDepositsLessThan250000" name="TimeDepositsLessThan250000" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_LoansPolicyTextBlock" name="LoansPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_GenevaMember" name="GenevaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposit" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_MortgageLoansChargedOffDaysPastDue" name="MortgageLoansChargedOffDaysPastDue" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_FairValueForCertificateOfDepositAmortizationPeriod" name="FairValueForCertificateOfDepositAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_NumberOfConsumerPurchasedCreditImpairedLoansPaidOff" name="NumberOfConsumerPurchasedCreditImpairedLoansPaidOff" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" name="PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_FamilyRealEstateLoansMember" name="FamilyRealEstateLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BusinessAcquisitionsProFormaIncomeLossBeforeIncomeTaxes" name="BusinessAcquisitionsProFormaIncomeLossBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_NumberOfNewLoansApproved" name="NumberOfNewLoansApproved" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_PaymentsToAcquireAvailableForSaleSecuritiesDebtIncludingAdjustmentForSecuritiesAcquiredInAcquisition" name="PaymentsToAcquireAvailableForSaleSecuritiesDebtIncludingAdjustmentForSecuritiesAcquiredInAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FurnitureAndEquipmentCostsMember" name="FurnitureAndEquipmentCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DailySecuritiesMember" name="DailySecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_CaptivesProvisionExistencePeriod" name="CaptivesProvisionExistencePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_TransfersOfFinancialAssetsPolicyTextBlock" name="TransfersOfFinancialAssetsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_DeferredTaxAssetsFairValueAdjustments" name="DeferredTaxAssetsFairValueAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate" name="SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_CollateralDependentLoansTableTextBlock" name="CollateralDependentLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_DeferredTaxLiabilitiesFhlbStockDividends" name="DeferredTaxLiabilitiesFhlbStockDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsGrandNet" name="FinancingReceivableAllowanceForCreditLossesWriteoffsGrandNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_AccountingStandardsUpdate202309Member" name="AccountingStandardsUpdate202309Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_ContributionProvidedByBothRecoveriesAndProvisionAlongWithReductionOfAllowanceCausedByChargeOffsTableTextBlock" name="ContributionProvidedByBothRecoveriesAndProvisionAlongWithReductionOfAllowanceCausedByChargeOffsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_Cet1" name="Cet1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_ShareBasedCompensationDirectorStockAwards" name="ShareBasedCompensationDirectorStockAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_AccruedInterestPayable" name="AccruedInterestPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_RiskCategoryOfLoansTableTextBlock" name="RiskCategoryOfLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BankOfGenevaMember" name="BankOfGenevaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_YearTwoThousandNineteenMember" name="YearTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_FairValueAdjustmentOfDerivative" name="FairValueAdjustmentOfDerivative" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_CompensationAnnualBasisCommitteeAward" name="CompensationAnnualBasisCommitteeAward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FairValueOfCapitalInExcessOfCarryingValueOfGoodwillDescription" name="FairValueOfCapitalInExcessOfCarryingValueOfGoodwillDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AwardGrantsOriginatedInPeriodTwoMember" name="AwardGrantsOriginatedInPeriodTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTwoYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteoffsTwoYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_AllowanceForCreditLossesAbstract" name="AllowanceForCreditLossesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_NumberOfDirectorsReceivedShares" name="NumberOfDirectorsReceivedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_FeesAndCommissionsIncomeAbstract" name="FeesAndCommissionsIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalFundsSold" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalFundsSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_TermNoteMember" name="TermNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_CommonEquityTier1CapitalForAdequacyFarmersAndMerchantsStateBankAmount" name="CommonEquityTier1CapitalForAdequacyFarmersAndMerchantsStateBankAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_CommonEquityTier1CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" name="CommonEquityTier1CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_CommercialsAndIndustrialMember" name="CommercialsAndIndustrialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_LoansAndLeasesReceivableExcludingFairValueAdjustmentsAmount" name="LoansAndLeasesReceivableExcludingFairValueAdjustmentsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_PercentageOfInterestOnLoanAccruesRate" name="PercentageOfInterestOnLoanAccruesRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_OtherSecuritiesPolicyTextBlock" name="OtherSecuritiesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_RelatedPartyTransactionNewLoansApproved" name="RelatedPartyTransactionNewLoansApproved" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExcludesSharesAwardedDueToRetirement" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExcludesSharesAwardedDueToRetirement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_ConsultingFeesMember" name="ConsultingFeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_NonaccrualMember" name="NonaccrualMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_AssetValueOfBanks" name="AssetValueOfBanks" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesFairValueAdjustment" name="CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesFairValueAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_DistributionOfFixedRateLoansAndVariableRateLoansByMajorLoanCategoryTableTextBlock" name="DistributionOfFixedRateLoansAndVariableRateLoansByMajorLoanCategoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AllowanceForCreditLossesAndUnfundedCommitmentLiability" name="AllowanceForCreditLossesAndUnfundedCommitmentLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_ConsumerRealEstateLoanMember" name="ConsumerRealEstateLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DeferredTaxesBusinessCombinationAllocatedToAdditionalPaidInCapital" name="DeferredTaxesBusinessCombinationAllocatedToAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsFarmersAndMerchantsStateBankActualAmount" name="Tier1LeverageCapitalToAdjustedTotalAssetsFarmersAndMerchantsStateBankActualAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsThreeYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteoffsThreeYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_NumberOfAwardsGrantedToOneEmployeeForOther" name="NumberOfAwardsGrantedToOneEmployeeForOther" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BusinessAcquisitionsProFormaNoninterestIncome" name="BusinessAcquisitionsProFormaNoninterestIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_NumberOfAgriculturalRealPurchasedCreditImpairedLoansPaidOff" name="NumberOfAgriculturalRealPurchasedCreditImpairedLoansPaidOff" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_FairValueOfFederalHomeLoanBankAdvancesAmortizationPeriod" name="FairValueOfFederalHomeLoanBankAdvancesAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AgriculturalLoanMember" name="AgriculturalLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_InterestAndDividendIncomeOperatingMember" name="InterestAndDividendIncomeOperatingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansNet" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationAndAdjustments" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationAndAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_AwardGrantsOriginatedInPeriodOneMember" name="AwardGrantsOriginatedInPeriodOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_NumberOfClientsAssetsUnderManagement" name="NumberOfClientsAssetsUnderManagement" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_CommercialAndAgriculturalLoanPortfolioSegmentMember" name="CommercialAndAgriculturalLoanPortfolioSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_TotalRiskBasedCapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount" name="TotalRiskBasedCapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_InterestAndOperatingExpensesAbstract" name="InterestAndOperatingExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_ElevenAgriculturalRealEstateStrataMember" name="ElevenAgriculturalRealEstateStrataMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_InterestBearingDepositsLiabilityMember" name="InterestBearingDepositsLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BorrowingsCapacityUnderFederalReserveBankTermFundingProgram" name="BorrowingsCapacityUnderFederalReserveBankTermFundingProgram" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_UnpledgedSecurities" name="UnpledgedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_CashCashEquivalentsAndFederalFundsSoldFairValueDisclosure" name="CashCashEquivalentsAndFederalFundsSoldFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_FinancingReceivableAllowanceForCrediTlossesWriteoffsInCurrentFiscalYear" name="FinancingReceivableAllowanceForCrediTlossesWriteoffsInCurrentFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_BusinessAcquisitionsProFormaNetInterestIncomeBeforeProvisionForLoanLossesAndUnfunded" name="BusinessAcquisitionsProFormaNetInterestIncomeBeforeProvisionForLoanLossesAndUnfunded" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_ScheduleOfSecuritiesSoldUnderAgreementToRepurchaseTableTextBlock" name="ScheduleOfSecuritiesSoldUnderAgreementToRepurchaseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AgriculturalRealEstateMember" name="AgriculturalRealEstateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_InterestIncomeOtherMember" name="InterestIncomeOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_NetOccupancyCostsMember" name="NetOccupancyCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_LoanServicingRightsMember" name="LoanServicingRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_AdvancesFromFederalHomeLoanBanksExcludingFairValueRelatedToAcquisition" name="AdvancesFromFederalHomeLoanBanksExcludingFairValueRelatedToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_UnfundedLoanCommitmentAndLettersOfCreditMember" name="UnfundedLoanCommitmentAndLettersOfCreditMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DividendsMayBePaidWithoutPriorRegulatoryApproval" name="DividendsMayBePaidWithoutPriorRegulatoryApproval" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsTermTotal" name="FinancingReceivableAllowanceForCreditLossesWriteoffsTermTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_OtherLoanMember" name="OtherLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_PaycheckProtectionProgramLoansMember" name="PaycheckProtectionProgramLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_MajorCategoryOfReceivablesDueWithinOneYearToFiveYearsMember" name="MajorCategoryOfReceivablesDueWithinOneYearToFiveYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DeferredTaxLiabilitiesLoanServicingRights" name="DeferredTaxLiabilitiesLoanServicingRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_FinancingReceivableAllowanceForCreditLossesWriteoffsFourOrMoreYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteoffsFourOrMoreYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_PeriodForFederalFundsSoldOutstanding" name="PeriodForFederalFundsSoldOutstanding" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_ATMExpenseMember" name="ATMExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_RelatedPartyReceivablesAbstract" name="RelatedPartyReceivablesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFundsBasedOnCurrentPledging" name="FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFundsBasedOnCurrentPledging" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BankOwnedLifeInsurancePolicyTextBlock" name="BankOwnedLifeInsurancePolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_YearTwoThousandTwentyMember" name="YearTwoThousandTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_AvailableForSaleSecuritiesGrossRealizedGainLossTaxExpensesBenefit" name="AvailableForSaleSecuritiesGrossRealizedGainLossTaxExpensesBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_DifferenceBetweenRelatedPartyDepositAndLoanLendingAmount" name="DifferenceBetweenRelatedPartyDepositAndLoanLendingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareVestedPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareVestedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposits" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearingTimeDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_DeferredTaxLiabilitiesNetUnrealizedGainOnAvailableForSaleSecurities" name="DeferredTaxLiabilitiesNetUnrealizedGainOnAvailableForSaleSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementTableTextBlock" name="CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_EquityInUndistributedEarningsDistributionsInExcessOfEarnings" name="EquityInUndistributedEarningsDistributionsInExcessOfEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_YearTwoThousandEighteenMember" name="YearTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_AgricultureRealEstateMember" name="AgricultureRealEstateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_CommonEquityTier1CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" name="CommonEquityTier1CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_DataProcessingMember" name="DataProcessingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_LoanAndLeasesReceivableExcludingFairValeAdjustmentForInterestSwapHedges" name="LoanAndLeasesReceivableExcludingFairValeAdjustmentForInterestSwapHedges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_CapitalizedServiceRightAssetsIncludedInOtherAssets" name="CapitalizedServiceRightAssetsIncludedInOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_CapitalizedServiceRightAssetsFairMarketValue" name="CapitalizedServiceRightAssetsFairMarketValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_MajorCategoryOfReceivablesDueWithinOneYearMember" name="MajorCategoryOfReceivablesDueWithinOneYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_NumberOfAwardsGrantedToOneEmployeeOnRetirement" name="NumberOfAwardsGrantedToOneEmployeeOnRetirement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_YearTwoThousandSeventeenMember" name="YearTwoThousandSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_CashConsiderationPayableOnAcquisitionPerShare" name="CashConsiderationPayableOnAcquisitionPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_DelinquentPeriodForChargingDownConsumerLoans" name="DelinquentPeriodForChargingDownConsumerLoans" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_OfficeConstructionInProgress" name="OfficeConstructionInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_OneToFourFamilyRealEstateLoansMember" name="OneToFourFamilyRealEstateLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherSecurities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_RelatedPartyOwnershipAmountInConcernEntity" name="RelatedPartyOwnershipAmountInConcernEntity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod" name="SecuritiesSoldUnderAgreementsToRepurchaseWeightedAverageInterestRateDuringPeriod" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenDownValue" name="BusinessCombinationIdentifiableAssetsInPremisesAndEquipmentWrittenDownValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_ProvisionForCreditLossesoffBalanceSheetCreditExposures" name="ProvisionForCreditLossesoffBalanceSheetCreditExposures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositsAbstract" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefitMinimum" name="PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefitMinimum" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_ConsumerOtherFinancingReceivablesMember" name="ConsumerOtherFinancingReceivablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_FinancingReceivablesAbstract" name="FinancingReceivablesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_OriginalMaturityPeriodToConsiderAllHighlyLiquidInvestmentsPurchasedAsCashEquivalents" name="OriginalMaturityPeriodToConsiderAllHighlyLiquidInvestmentsPurchasedAsCashEquivalents" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_CommercialAndIndustrialAndIndustrialDevelopmentBondsMember" name="CommercialAndIndustrialAndIndustrialDevelopmentBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_IncomeTaxExpenseBenefitContinuingOperationsIncreaseDecreaseByItemsReconciliationAbstract" name="IncomeTaxExpenseBenefitContinuingOperationsIncreaseDecreaseByItemsReconciliationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_InterestAndOperatingExpenses" name="InterestAndOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_MinimumNumberOfSharesToBeExchangedUnderTheAgreement" name="MinimumNumberOfSharesToBeExchangedUnderTheAgreement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_FinancingReceivablesImpairedNumberOfTroubledDebtRestructuringWriteDown" name="FinancingReceivablesImpairedNumberOfTroubledDebtRestructuringWriteDown" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_LoanReceivableWeightedAverageUsefulLife" name="LoanReceivableWeightedAverageUsefulLife" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_SummaryOfInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesOfFixedRateReceivablesTableTextBlock" name="SummaryOfInterestRateSwapDerivativesDesignatedAsFairValueAccountingHedgesOfFixedRateReceivablesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToRetirement" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeeShareAwardedDueToRetirement" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearing" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestBearing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_PeoplesFederalSavingsAndLoanBankMember" name="PeoplesFederalSavingsAndLoanBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_ServicingAssetAtAmortizedValueAdditionalDisclosuresAbstract" name="ServicingAssetAtAmortizedValueAdditionalDisclosuresAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DefinedContributionPlanEmployerMatchingContributionDescription" name="DefinedContributionPlanEmployerMatchingContributionDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_ContractualAgingOfRecordedInvestmentInPastDueLoansByClassOrLoansTableTextBlock" name="ContractualAgingOfRecordedInvestmentInPastDueLoansByClassOrLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_AccountingStandardsUpdate202307Member" name="AccountingStandardsUpdate202307Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_USStatesAndPoliticalSubdivisionsTaxExemptDebtSecuritiesMember" name="USStatesAndPoliticalSubdivisionsTaxExemptDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_OperatingLeaseAssetsAndLiabilitiesTableTextBlock" name="OperatingLeaseAssetsAndLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_YearTwoThousandTwentyTwoMember" name="YearTwoThousandTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_MajorCategoryOfReceivablesDueAfterFiveYearsWithinFifteenYearsMember" name="MajorCategoryOfReceivablesDueAfterFiveYearsWithinFifteenYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_DelinquentLoanIsWellSecuredAndProcessOfCollection" name="DelinquentLoanIsWellSecuredAndProcessOfCollection" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_IncomeFromOperationBeforeEquityInUndistributedEarningsOfSubsidiary" name="IncomeFromOperationBeforeEquityInUndistributedEarningsOfSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_BusinessCombinationsLoansAcquiredCarryingAmountTableTextBlock" name="BusinessCombinationsLoansAcquiredCarryingAmountTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_MinimumPercentageOfEligibleCompensationOnPreTaxOrPostTaxBasisForEligibleEmployeesToSave" name="MinimumPercentageOfEligibleCompensationOnPreTaxOrPostTaxBasisForEligibleEmployeesToSave" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_BusinessCombinationRecognizedBankAmount" name="BusinessCombinationRecognizedBankAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_DirectorsAndExecutiveOfficersMember" name="DirectorsAndExecutiveOfficersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_ImpairedLoansMember" name="ImpairedLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fmao_CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBank" name="CommonEquityTier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBank" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingCapitalConservationBuffer" name="CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingCapitalConservationBuffer" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fmao_OtherNonInterestIncomeExpenseRecoveryRelatedToUnfunded" name="OtherNonInterestIncomeExpenseRecoveryRelatedToUnfunded" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_BusinessAcquisitionEquityInterestIssuedOrIssuablePerShareOfAcquiredEntity" name="BusinessAcquisitionEquityInterestIssuedOrIssuablePerShareOfAcquiredEntity" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_Tier1LeverageCapitalToAdjustedTotalAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount" name="Tier1LeverageCapitalToAdjustedTotalAssetsForCapitalAdequacyFarmersAndMerchantsStateBankAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fmao_PercentageOfExternalAndIndependentLoan" name="PercentageOfExternalAndIndependentLoan" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_FairValueForCertificateOfDepositValuationAmount" name="FairValueForCertificateOfDepositValuationAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_BusinessAcquisitionsProFormaIncomeTaxesExpenseBenefit" name="BusinessAcquisitionsProFormaIncomeTaxesExpenseBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fmao_AdvertisingExpenseMember" name="AdvertisingExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
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  <xsd:element id="fmao_ActivitiesInAllowanceForCreditLossesTableTextBlock" name="ActivitiesInAllowanceForCreditLossesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fmao_Tier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount" name="Tier1CapitalToRiskWeightedAssetsFarmersAndMerchantsStateBankActualAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
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  <xsd:element id="fmao_AdvancesFromFederalHomeLoanBanksFairValueRelatedToAcquisition" name="AdvancesFromFederalHomeLoanBanksFairValueRelatedToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
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<span style="display: none;">v3.24.0.1</span><table class="report" border="0" cellspacing="2" id="idm140013706795232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2023</div></th>
<th class="th"><div>Feb. 23, 2024</div></th>
<th class="th"><div>Jun. 30, 2023</div></th>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-K/A<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">true<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentDescription', window );">Amendment Description</a></td>
<td class="text">On February 27, 2024, Farmers & Merchants Bancorp, Inc. (the "Company") filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2023 (the "Original Form 10-K").  This Amendment No. 1 (the "Amendment") amends the Original Form 10-K solely to correct an administrative error in the content of Exhibit 23, Consent of FORVIS, LLP (the "Consent"), that resulted in an omission of reference to consent to incorporate the report on the audit of internal control.  A new Exhibit 23 with the appropriate corrections is filed as Exhibit 23 attached hereto.This Amendment speaks as of the original filing date and does not reflect events occurring after the filing of the Original Form 10-K.  No revisions are being made to the Company's financial statements or any other disclosure contained in the Original Form 10-K.  This Amendment is an exhibit-only filing.  Except for Exhibit 23, this Amendment does not otherwise update any exhibits as originally filed or previously amended.In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), new certifications by the Company's principal executive officer and principal financial officer are filed herewith as exhibits to this Amendment pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act.  As no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted.  The Company is not including certifications pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350) as no financial statements are being filed with this Amendment.<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec. 31,  2023<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2023<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">FY<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">FMAO<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">FARMERS & MERCHANTS BANCORP, INC.<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000792966<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityWellKnownSeasonedIssuer', window );">Entity Well-known Seasoned Issuer</a></td>
<td class="text">No<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityVoluntaryFilers', window );">Entity Voluntary Filers</a></td>
<td class="text">No<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Accelerated Filer<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-38084<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">34-1469491<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">307 North Defiance Street<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Archbold<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">43502<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">419<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">446-2501<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">OH<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentAnnualReport', window );">Document Annual Report</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_IcfrAuditorAttestationFlag', window );">ICFR Auditor Attestation Flag</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">OH<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, No Par Value<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,664,345<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityPublicFloat', window );">Entity Public Float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 306,921,869<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AuditorName', window );">Auditor Name</a></td>
<td class="text">FORVIS, LLP<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AuditorLocation', window );">Auditor Location</a></td>
<td class="text">Fort Wayne, Indiana<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AuditorFirmId', window );">Auditor Firm ID</a></td>
<td class="text">686<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentsIncorporatedByReferenceTextBlock', window );">Documents Incorporated by Reference</a></td>
<td class="text"><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;">Part III of Form 10-K &#8211; Portions of the definitive Proxy Statement for the 2024 Annual Meeting of Shareholders of Farmers &amp; Merchants Bancorp, Inc.</span></p><span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFinStmtErrorCorrectionFlag', window );">Document Fin Stmt Error Correction</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Description of changes contained within amended document.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentDescription</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
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<td>xbrli:booleanItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorFirmId">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>PCAOB issued Audit Firm Identifier</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorFirmId</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorLocation</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>dei:internationalNameItemType</td>
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<td>na</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorName</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td>dei:internationalNameItemType</td>
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<td>na</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">dei_CoverAbstract</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as an annual report.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentAnnualReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFinStmtErrorCorrectionFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicates whether any of the financial statement period in the filing include a restatement due to error correction.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-K<br> -Number 229<br> -Section 402<br> -Subsection w<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFinStmtErrorCorrectionFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalPeriodFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fiscalPeriodItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentTransitionReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as a transition report.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Forms 10-K, 10-Q, 20-F<br> -Number 240<br> -Section 13<br> -Subsection a-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentTransitionReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentsIncorporatedByReferenceTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Documents incorporated by reference.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-23<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentsIncorporatedByReferenceTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInteractiveDataCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-T<br> -Number 232<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInteractiveDataCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityPublicFloat">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityPublicFloat</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityShellCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityShellCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a Smaller Reporting Company (SRC).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityVoluntaryFilers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityVoluntaryFilers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityWellKnownSeasonedIssuer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityWellKnownSeasonedIssuer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_IcfrAuditorAttestationFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_IcfrAuditorAttestationFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>10
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
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      id="F_a6d602c2-09a7-45a3-b2b6-53094731c74f">On February 27, 2024, Farmers &amp; Merchants Bancorp, Inc. (the "Company") filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2023 (the "Original Form 10-K").  This Amendment No. 1 (the "Amendment") amends the Original Form 10-K solely to correct an administrative error in the content of Exhibit 23, Consent of FORVIS, LLP (the "Consent"), that resulted in an omission of reference to consent to incorporate the report on the audit of internal control.  A new Exhibit 23 with the appropriate corrections is filed as Exhibit 23 attached hereto.This Amendment speaks as of the original filing date and does not reflect events occurring after the filing of the Original Form 10-K.  No revisions are being made to the Company's financial statements or any other disclosure contained in the Original Form 10-K.  This Amendment is an exhibit-only filing.  Except for Exhibit 23, this Amendment does not otherwise update any exhibits as originally filed or previously amended.In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), new certifications by the Company's principal executive officer and principal financial officer are filed herewith as exhibits to this Amendment pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act.  As no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted.  The Company is not including certifications pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350) as no financial statements are being filed with this Amendment.</dei:AmendmentDescription>
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