XML 106 R96.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Repurchase Agreements and Other Borrowings - Federal Home Loan Bank, Advances (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($)
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 242,400,000
Interest Rate 4.46% - Maturity Date January 1, 2025 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 90,000,000
Federal Home Loan Bank Advances, Term | overnight
Federal Home Loan Bank, Advances, Interest Rate | 4.46%
Federal Home Loan Bank, Advances, Maturity Date | Jan. 01, 2025
Interest Rate 0.91% - Maturity Date March 10, 2025 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 5,000,000
Federal Home Loan Bank Advances, Term (in years) | 5 years
Federal Home Loan Bank, Advances, Interest Rate | 0.91%
Federal Home Loan Bank, Advances, Maturity Date | Mar. 10, 2025
Interest Rate 2.64% - Maturity Date December 23, 2025 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 2,435,064
Federal Home Loan Bank Advances, Term (in years) | 10 years
Federal Home Loan Bank, Advances, Interest Rate | 2.64%
Federal Home Loan Bank, Advances, Maturity Date | Dec. 23, 2025
Interest Rate 4.40% - Maturity Date June 15, 2026 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 25,000,000
Federal Home Loan Bank Advances, Term (in years) | 3 years
Federal Home Loan Bank, Advances, Interest Rate | 4.40%
Federal Home Loan Bank, Advances, Maturity Date | Jun. 15, 2026
Interest Rate 4.37% - Maturity Date May 10, 2027 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 25,000,000
Federal Home Loan Bank Advances, Term (in years) | 3 years
Federal Home Loan Bank, Advances, Interest Rate | 4.37%
Federal Home Loan Bank, Advances, Maturity Date | May 10, 2027
Interest Rate 4.32% - Maturity Date May 17, 2027 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 25,000,000
Federal Home Loan Bank Advances, Term (in years) | 3 years
Federal Home Loan Bank, Advances, Interest Rate | 4.32%
Federal Home Loan Bank, Advances, Maturity Date | May 17, 2027
Interest Rate 3.82% - Maturity Date June 29, 2028 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 25,000,000
Federal Home Loan Bank Advances, Term (in years) | 5 years
Federal Home Loan Bank, Advances, Interest Rate | 3.82%
Federal Home Loan Bank, Advances, Maturity Date | Jun. 29, 2028
Interest Rate 3.93% - Maturity Date June 27, 2029 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 25,000,000
Federal Home Loan Bank Advances, Term (in years) | 5 years
Federal Home Loan Bank, Advances, Interest Rate | 3.93%
Federal Home Loan Bank, Advances, Maturity Date | Jun. 27, 2029
Interest Rate 1.15% - Maturity Date October 3, 2029 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 5,000,000
Federal Home Loan Bank Advances, Term (in years) | 10 years
Federal Home Loan Bank, Advances, Interest Rate | 1.15%
Federal Home Loan Bank, Advances, Maturity Date | Oct. 03, 2029
Interest Rate 1.12% - Maturity Date October 3, 2029 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 5,000,000
Federal Home Loan Bank Advances, Term (in years) | 10 years
Federal Home Loan Bank, Advances, Interest Rate | 1.12%
Federal Home Loan Bank, Advances, Maturity Date | Oct. 03, 2029
Interest Rate 1.39% - Maturity Date December 31, 2029 |
FHLB Advances [Abstract] |
Federal Home Loan Bank Advances | $ 10,000,000
Federal Home Loan Bank Advances, Term (in years) | 10 years
Federal Home Loan Bank, Advances, Interest Rate | 1.39%
Federal Home Loan Bank, Advances, Maturity Date | Dec. 31, 2029

X
- Definition Federal Home Loan Bank, advances, maturity date. + References No definition available. + Details
Name: | fmbh_FederalHomeLoanBankAdvancesMaturityDate
Namespace Prefix: | fmbh_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank Advances, Original Term + References No definition available. + Details
Name: | fmbh_FederalHomeLoanBankAdvancesOriginalMaturityTerm
Namespace Prefix: | fmbh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal home loan bank advances original maturity term, description + References No definition available. + Details
Name: | fmbh_FederalHomeLoanBankAdvancesOriginalMaturityTermDescription
Namespace Prefix: | fmbh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Short-term and long-term Federal Home Loan Bank borrowings. + References No definition available. + Details
Name: | fmbh_FederalHomeLoanBankAdvancesShortAndLongTerm
Namespace Prefix: | fmbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Rate of interest applicable on advance from Federal Home Loan Bank (FHLBank). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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_FederalHomeLoanBankAdvancesBranchOfFHLBBankLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateFourPointFourSixMaturingOnJanuaryFirstTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateZeroPointNineOneMaturingOnMarchTenTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateTwoPointSixFourMaturingOnDecemberTwentyThreeTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateFourPointFourZeroMaturingOnJuneFifteenTwoThousandTwentySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateFourPointThreeSevenMaturingOnMayTenTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateFourPointThreeTwoMaturingOnMaySeventeenTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateThreePointEightTwoMaturingOnJuneTwentyNineTwoThousandTwentyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateThreePointNineThreeMaturingOnJuneTwentySevenTwoThousandTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateOnePointOneFiveMaturingOnOctoberThreeTwoThousandTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateOnePointOneTwoMaturingOnOctoberThreeTwoThousandTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fmbh_InterestRateOnePointThreeNineMaturingOnDecemberThirtyOneTwoThousandTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |