XML 120 R93.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Commitments to Extend Credit [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Commercial real estate | $ 128,576 | $ 27,806
Commercial operating | 236,182 | 174,317
Home equity | 40,896 | 33,028
Other | 70,092 | 56,353
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Asset | $ 475,746 | 291,504
Number of expected days to fund commitments | ninety days |
Financial Standby Letter of Credit [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Asset | $ 9,339 | $ 6,806
Period when letters of credit expire | one year or less |

X
- Definition The face amount of Commercial Operating financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | fmbh_FairValueDisclosureOffBalanceSheetRisksFaceAmountAssetCommercialOperating
Namespace Prefix: | fmbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The face amount of Commercial Real Estate financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | fmbh_FairValueDisclosureOffBalanceSheetRisksFaceAmountAssetCommercialRe
Namespace Prefix: | fmbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The face amount of Home Equity financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | fmbh_FairValueDisclosureOffBalanceSheetRisksFaceAmountAssetHomeEquity
Namespace Prefix: | fmbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The face amount of Other financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | fmbh_FairValueDisclosureOffBalanceSheetRisksFaceAmountAssetOther
Namespace Prefix: | fmbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of expected days until commitments to originate credit are funded. + References No definition available. + Details
Name: | fmbh_NumberOfExpectedDaysToFundCommitments
Namespace Prefix: | fmbh_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period after which standby letters of credit generally expire + References No definition available. + Details
Name: | fmbh_PeriodWhenLettersOfCreditExpire
Namespace Prefix: | fmbh_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The face amount of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommitmentsToExtendCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_FinancialStandbyLetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |