    <SEC-DOCUMENT>0000712534-23-000048-index.html : 20230126
    <SEC-HEADER>0000712534-23-000048.hdr.sgml : 20230126
    <ACCEPTANCE-DATETIME>20230126081532
    ACCESSION NUMBER:		0000712534-23-000048
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		44
    CONFORMED PERIOD OF REPORT:	20230126
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20230126
    DATE AS OF CHANGE:		20230126

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FIRST MERCHANTS CORP
    		CENTRAL INDEX KEY:			0000712534
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				351544218
    		STATE OF INCORPORATION:			IN
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-41342
    		FILM NUMBER:		23554206

    	BUSINESS ADDRESS:
    		STREET 1:		200 E JACKSON ST
    		STREET 2:		PO BOX 792
    		CITY:			MUNCIE
    		STATE:			IN
    		ZIP:			47308-0792
    		BUSINESS PHONE:		7657471500

    	MAIL ADDRESS:
    		STREET 1:		200 EAST JACKSON STREET
    		CITY:			MUNCIE
    		STATE:			IN
    		ZIP:			47305
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>frme-20230126.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: frme-20230126.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>frme4q2022earningsreleas.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: frme4q2022earningsreleas.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>frme-20230126.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: frme-20230126.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>4
    <FILENAME>frme-20230126_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: frme-20230126_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>frme-20230126_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: frme-20230126_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>frme-20230126_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: frme-20230126_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>frme4q2022earningsreleas001.jpg
    <TEXT>
    Document 7 - file: frme4q2022earningsreleas001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>frme4q2022earningsreleas002.jpg
    <TEXT>
    Document 8 - file: frme4q2022earningsreleas002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>frme4q2022earningsreleas003.jpg
    <TEXT>
    Document 9 - file: frme4q2022earningsreleas003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>frme4q2022earningsreleas004.jpg
    <TEXT>
    Document 10 - file: frme4q2022earningsreleas004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>frme4q2022earningsreleas005.jpg
    <TEXT>
    Document 11 - file: frme4q2022earningsreleas005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>frme4q2022earningsreleas006.jpg
    <TEXT>
    Document 12 - file: frme4q2022earningsreleas006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>frme4q2022earningsreleas007.jpg
    <TEXT>
    Document 13 - file: frme4q2022earningsreleas007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>frme4q2022earningsreleas008.jpg
    <TEXT>
    Document 14 - file: frme4q2022earningsreleas008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>frme4q2022earningsreleas009.jpg
    <TEXT>
    Document 15 - file: frme4q2022earningsreleas009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>frme4q2022earningsreleas010.jpg
    <TEXT>
    Document 16 - file: frme4q2022earningsreleas010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>frme4q2022earningsreleas011.jpg
    <TEXT>
    Document 17 - file: frme4q2022earningsreleas011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>frme4q2022earningsreleas012.jpg
    <TEXT>
    Document 18 - file: frme4q2022earningsreleas012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>frme4q2022earningsreleas013.jpg
    <TEXT>
    Document 19 - file: frme4q2022earningsreleas013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>frme4q2022earningsreleas014.jpg
    <TEXT>
    Document 20 - file: frme4q2022earningsreleas014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>frme4q2022earningsreleas015.jpg
    <TEXT>
    Document 21 - file: frme4q2022earningsreleas015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>frme4q2022earningsreleas016.jpg
    <TEXT>
    Document 22 - file: frme4q2022earningsreleas016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>frme4q2022earningsreleas017.jpg
    <TEXT>
    Document 23 - file: frme4q2022earningsreleas017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>frme4q2022earningsreleas018.jpg
    <TEXT>
    Document 24 - file: frme4q2022earningsreleas018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>frme4q2022earningsreleas019.jpg
    <TEXT>
    Document 25 - file: frme4q2022earningsreleas019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>frme4q2022earningsreleas020.jpg
    <TEXT>
    Document 26 - file: frme4q2022earningsreleas020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>frme4q2022earningsreleas021.jpg
    <TEXT>
    Document 27 - file: frme4q2022earningsreleas021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>frme4q2022earningsreleas022.jpg
    <TEXT>
    Document 28 - file: frme4q2022earningsreleas022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>frme4q2022earningsreleas023.jpg
    <TEXT>
    Document 29 - file: frme4q2022earningsreleas023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>frme4q2022earningsreleas024.jpg
    <TEXT>
    Document 30 - file: frme4q2022earningsreleas024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>frme4q2022earningsreleas025.jpg
    <TEXT>
    Document 31 - file: frme4q2022earningsreleas025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>frme4q2022earningsreleas026.jpg
    <TEXT>
    Document 32 - file: frme4q2022earningsreleas026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>frme4q2022earningsreleas027.jpg
    <TEXT>
    Document 33 - file: frme4q2022earningsreleas027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>frme4q2022earningsreleas028.jpg
    <TEXT>
    Document 34 - file: frme4q2022earningsreleas028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>frme4q2022earningsreleas029.jpg
    <TEXT>
    Document 35 - file: frme4q2022earningsreleas029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>frme4q2022earningsreleas030.jpg
    <TEXT>
    Document 36 - file: frme4q2022earningsreleas030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>37
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>frme-20230126_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: frme-20230126_htm.html

    Document 38 - RAW XML: frme-20230126_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>39
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 39 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>40
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 40 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>41
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 41 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>42
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: FilingSummary.html

    Document 42 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>44
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 44 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>45
    <FILENAME>0000712534-23-000048-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 45 - file: 0000712534-23-000048-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>