XML 72 R57.htm IDEA: XBRL DOCUMENT v3.3.1.900

Loans - Maturity Schedule by Major Category of Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	$ 686,516	$ 622,345
Agricultural Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	58,525	50,895
Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	82,654	74,611
Industrial Development Bonds [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	6,491	4,698
Consumer Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	88,189	97,550
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	322,762	270,188
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	27,770	24,277
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	100,125	$ 100,126
Major Category Of Receivables Due Within One Year [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	121,063
Major Category Of Receivables Due Within One Year [Member] | Agricultural Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	1,073
Major Category Of Receivables Due Within One Year [Member] | Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	52,939
Major Category Of Receivables Due Within One Year [Member] | Industrial Development Bonds [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	1,300
Major Category Of Receivables Due Within One Year [Member] | Consumer Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	1,270
Major Category Of Receivables Due Within One Year [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	13,030
Major Category Of Receivables Due Within One Year [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	5,480
Major Category Of Receivables Due Within One Year [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	45,971
Major Category Of Receivables Due Within One Year to Five Years [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	161,928
Major Category Of Receivables Due Within One Year to Five Years [Member] | Agricultural Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	3,300
Major Category Of Receivables Due Within One Year to Five Years [Member] | Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	24,239
Major Category Of Receivables Due Within One Year to Five Years [Member] | Industrial Development Bonds [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	185
Major Category Of Receivables Due Within One Year to Five Years [Member] | Consumer Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	11,486
Major Category Of Receivables Due Within One Year to Five Years [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	70,699
Major Category Of Receivables Due Within One Year to Five Years [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	17,228
Major Category Of Receivables Due Within One Year to Five Years [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	34,791
Major Category Of Receivables Over Five Years [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	403,525
Major Category Of Receivables Over Five Years [Member] | Agricultural Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	54,152
Major Category Of Receivables Over Five Years [Member] | Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	5,476
Major Category Of Receivables Over Five Years [Member] | Industrial Development Bonds [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	5,006
Major Category Of Receivables Over Five Years [Member] | Consumer Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	75,433
Major Category Of Receivables Over Five Years [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	239,033
Major Category Of Receivables Over Five Years [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	5,062
Major Category Of Receivables Over Five Years [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans - Gross	$ 19,363

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmao_AgricultureRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmao_AgriculturalLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmao_IndustrialDevelopmentBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=fmao_MajorCategoryOfReceivablesDueWithinOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=fmao_MajorCategoryOfReceivablesDueWithinOneYearToFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=fmao_MajorCategoryOfReceivablesOverFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: