XML 34 R24.htm IDEA: XBRL DOCUMENT
v3.21.2

Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring | $ 4,460 | $ 4,464 | $ 4,206 | $ 3,899 | $ 4,156 | $ 4,194
Commercial & Industrial |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 2,206 |  | 3,072 |  |  |
Farmland |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 1,196 |  |  |
Non Farm, Non Residential |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 84 |  | 155 |  |  |
Agriculture |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  |  |  |  |
All Other Commercial |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 186 |  | 476 |  |  |
First Liens |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 0 |  |  |
Home Equity |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 0 |  |  |
Junior Liens |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 0 |  |  |
Multifamily |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 1,060 |  | 1,244 |  |  |
All Other Residential |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 0 |  |  |
Motor Vehicle |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 0 |  |  |
All Other Consumer |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Fair value | 0 |  | 0 |  |  |
Nonperforming Financing Receivable [Member] |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 1,268 |  | 2,458 |  |  |
Nonaccrual | 3,933 |  | 4,457 |  |  |
Financing Receivable, Modifications, Nonaccrual | 14,356 |  | 15,367 |  |  |
Nonperforming Financing Receivable [Member] | Commercial & Industrial |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 68 |  | 0 |  |  |
Nonaccrual | 792 |  | 1,080 |  |  |
Financing Receivable, Modifications, Nonaccrual | 3,835 |  | 4,838 |  |  |
Nonperforming Financing Receivable [Member] | Farmland |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 0 |  | 0 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 111 |  | 195 |  |  |
Nonperforming Financing Receivable [Member] | Non Farm, Non Residential |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 0 |  | 0 |  |  |
Nonaccrual | 3,082 |  | 3,267 |  |  |
Financing Receivable, Modifications, Nonaccrual | 3,201 |  | 3,729 |  |  |
Nonperforming Financing Receivable [Member] | Agriculture |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 0 |  | 0 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 1,214 |  | 409 |  |  |
Nonperforming Financing Receivable [Member] | All Other Commercial |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 0 |  | 0 |  |  |
Nonaccrual | 0 |  | 24 |  |  |
Financing Receivable, Modifications, Nonaccrual | 253 |  | 533 |  |  |
Nonperforming Financing Receivable [Member] | First Liens |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 1,067 |  | 1,746 |  |  |
Nonaccrual | 59 |  | 86 |  |  |
Financing Receivable, Modifications, Nonaccrual | 2,696 |  | 2,604 |  |  |
Nonperforming Financing Receivable [Member] | Home Equity |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 4 |  | 88 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 85 |  | 30 |  |  |
Nonperforming Financing Receivable [Member] | Junior Liens |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 22 |  | 252 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 305 |  | 206 |  |  |
Nonperforming Financing Receivable [Member] | Multifamily |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 0 |  | 0 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 1,414 |  | 1,380 |  |  |
Nonperforming Financing Receivable [Member] | All Other Residential |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 0 |  | 0 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 121 |  | 135 |  |  |
Nonperforming Financing Receivable [Member] | Motor Vehicle |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 103 |  | 372 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | 628 |  | 754 |  |  |
Nonperforming Financing Receivable [Member] | All Other Consumer |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 4 |  | 0 |  |  |
Nonaccrual | 0 |  | 0 |  |  |
Financing Receivable, Modifications, Nonaccrual | $ 493 |  | $ 554 |  |  |

X
- Definition Financing Receivable, Modifications, Nonaccrual + References No definition available. + Details
Name: | thff_FinancingReceivableModificationsNonaccrual
Namespace Prefix: | thff_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without 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_ImpairedFinancingReceivableRecordedInvestment
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: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |