XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Allowance for Credit Losses - Amortized Cost Basis of Collateral-Dependent Loans by Class of Loans Individually Evaluated (Details) $ in Thousands | Sep. 30, 2021 USD ($)
--- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | $ 22,727
Allowance for Credit Losses | 2,532
Commercial and Industrial Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 3,213
Allowance for Credit Losses | 1,190
Consumer Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 10
Allowance for Credit Losses | 0
All Other Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 24
Allowance for Credit Losses | 0
Real Estate |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 19,480
Real Estate | Commercial and Industrial Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate | Consumer Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate | All Other Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Business Assets |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 2,170
Business Assets | Commercial and Industrial Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 2,146
Business Assets | Consumer Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Business Assets | All Other Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 24
Other Property |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 1,077
Other Property | Commercial and Industrial Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 1,067
Other Property | Consumer Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 10
Other Property | All Other Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate Loan |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 19,480
Allowance for Credit Losses | 1,342
Real Estate Loan | Construction and Land Development |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 1,407
Allowance for Credit Losses | 233
Real Estate Loan | Commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 10,830
Allowance for Credit Losses | 864
Real Estate Loan | Real Estate |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 19,480
Real Estate Loan | Real Estate | Construction and Land Development |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 1,407
Real Estate Loan | Real Estate | Commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 10,830
Real Estate Loan | Business Assets |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate Loan | Business Assets | Construction and Land Development |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate Loan | Business Assets | Commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate Loan | Other Property |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate Loan | Other Property | Construction and Land Development |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Real Estate Loan | Other Property | Commercial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
1-4 Family | Real Estate Loan | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 5,438
Allowance for Credit Losses | 245
1-4 Family | Real Estate Loan | Real Estate | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 5,438
1-4 Family | Real Estate Loan | Business Assets | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
1-4 Family | Real Estate Loan | Other Property | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Multifamily | Real Estate Loan | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 1,805
Allowance for Credit Losses | 0
Multifamily | Real Estate Loan | Real Estate | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 1,805
Multifamily | Real Estate Loan | Business Assets | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | 0
Multifamily | Real Estate Loan | Other Property | Residential Properties |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing Receivable, Individually Evaluated for Impairment | $ 0

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 The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fmbh_CommercialAndIndustrialPortfolioSegmentMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=fmbh_BusinessAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=fmbh_OtherCollateralAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fmbh_ConstructionAndLandDevelopmentPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=fmbh_OneToFourFamilyMember
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: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |