XML 63 R50.htm IDEA: XBRL DOCUMENT
v3.20.4

FAIR VALUES OF FINANCIAL INSTRUMENTS: (Details 3) $ in Thousands | Dec. 31, 2019 USD ($)
--- | ---
Loans identified as impaired by class of loans |
Carrying Value | $ 148
Allowance for Loan Losses Allocated | 48
Fair value | 100
Commercial & Industrial |
Loans identified as impaired by class of loans |
Carrying Value | 148
Allowance for Loan Losses Allocated | 48
Fair value | 100
Farmland |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
Non Farm, Non Residential |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
Agriculture |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
All Other Commercial |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
First Liens |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
Home Equity |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
Junior Liens |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
Multifamily |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
All Other Residential |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
Motor Vehicle |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | 0
All Other Consumer |
Loans identified as impaired by class of loans |
Carrying Value | 0
Allowance for Loan Losses Allocated | 0
Fair value | $ 0

X
- Definition Represents the estimated fair value of the recorded investments related to impaired financing receivables. + References No definition available. + Details
Name: | thff_ImpairedFinancingReceivableRecordedInvestmentFairValueDisclosure
Namespace Prefix: | thff_
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_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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=121611835&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

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

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

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

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

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

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