XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.21.2

Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | $ 2,486,537 | $ 2,618,553
Total loans | 2,475,954 | 2,606,113
Commercial & Industrial |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 575,045 | 608,572
Farmland |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 114,045 | 118,641
Non Farm, Non Residential |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 342,211 | 351,107
Agriculture |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 123,568 | 146,480
All Other Commercial |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 310,402 | 305,636
First Liens |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 306,205 | 324,467
Home Equity |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 57,699 | 60,755
Junior Liens |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 51,134 | 54,176
Multifamily |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 106,564 | 151,042
All Other Residential |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 15,601 | 15,968
Motor Vehicle |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | 450,506 | 450,112
All Other Consumer |  |
Analysis of risk category of loans by class of loans |  |
Financing Receivable Recorded Investment | $ 33,557 | $ 31,597

X
- Definition Recorded Investment in financing receivables. + References No definition available. + Details
Name: | thff_FinancingReceivableRecordedInvestment
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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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: |