XML 39 R30.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Allowance for Credit Losses - Investment in non-performing loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring | $ 3,947 | $ 4,146 | $ 4,799 | $ 4,489 | $ 4,460 | $ 4,206
Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 1,235 |  | 543 |  |  |
Nonaccrual | 9,147 |  | 9,590 |  |  |
Nonaccrual With No Allowance For Credit Loss | 3,398 |  | 4,593 |  |  |
Commercial |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring | 653 | 672 | 407 |  |  |
Commercial | Commercial & Industrial | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 242 |  | 14 |  |  |
Nonaccrual | 1,647 |  | 1,950 |  |  |
Nonaccrual With No Allowance For Credit Loss | 322 |  | 1,662 |  |  |
Commercial | Farmland | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Nonaccrual | 287 |  | 15 |  |  |
Nonaccrual With No Allowance For Credit Loss | 272 |  |  |  |  |
Commercial | Non Farm, Non Residential | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Nonaccrual | 2,456 |  | 2,911 |  |  |
Nonaccrual With No Allowance For Credit Loss | 2,443 |  | 2,898 |  |  |
Commercial | Agriculture | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Nonaccrual | 393 |  | 111 |  |  |
Nonaccrual With No Allowance For Credit Loss | 361 |  |  |  |  |
Commercial | All Other Commercial | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 15 |  |  |  |  |
Nonaccrual | 28 |  | 4 |  |  |
Residential |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring | 3,294 | $ 3,474 | 3,686 | 3,813 | 3,904 | 3,589
Residential | First Liens | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 480 |  | 346 |  |  |
Nonaccrual | 1,599 |  | 2,339 |  |  |
Nonaccrual With No Allowance For Credit Loss |  |  | 33 |  |  |
Residential | Home Equity | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Nonaccrual | 140 |  | 84 |  |  |
Residential | Junior Liens | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 95 |  | 89 |  |  |
Nonaccrual | 263 |  | 294 |  |  |
Residential | Multifamily | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Nonaccrual | 204 |  | 225 |  |  |
Residential | All Other Residential | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Nonaccrual | 108 |  | 107 |  |  |
Consumer |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring |  |  | 706 | $ 676 | $ 556 | $ 617
Consumer | Motor Vehicle | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 402 |  | 94 |  |  |
Nonaccrual | 1,492 |  | 864 |  |  |
Consumer | All Other Consumer | Nonperforming Loans |  |  |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |  |  |
Loans Past Due Over 90 Day Still Accruing | 1 |  |  |  |  |
Nonaccrual | $ 530 |  | $ 686 |  |  |

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=123577603&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 on nonaccrual status with no allowance for credit loss. + 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 (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 + Details
Name: | us-gaap_FinancingReceivableNonaccrualNoAllowance
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=124255953&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=123577603&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=124267575&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=123577603&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=124255953&loc=SL82919258-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) + 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
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
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: |