XML 38 R28.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | $ 13,578 | $ 10,082 |  |
Financing Receivable, Modifications, Recorded Investment | 6,919 | 7,034 | $ 8,158 | $ 8,565
Commercial & Industrial |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | 339 | 347 |  |
Farmland |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | 2,628 | 2,767 |  |
Non Farm, Non Residential |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | 0 | 0 |  |
Agriculture |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | 332 | 0 |  |
All Other Commercial |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | 0 | 0 |  |
First Liens |  |  |  |
Aging of recorded investment in loans by past due category and class of loans |  |  |  |
Fair value | 0 | 436 |  |
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 | 0 | 0 |  |
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 | 660 | 1,484 |  |
Nonaccrual | 13,206 | 13,245 |  |
Financing Receivable, Modifications, Recorded Investment | 3,394 | 3,349 |  |
Financing Receivable, Modifications, Nonaccrual | 3,593 | 3,754 |  |
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 | 0 | 41 |  |
Nonaccrual | 1,638 | 1,679 |  |
Financing Receivable, Modifications, Recorded Investment | 2 | 2 |  |
Financing Receivable, Modifications, Nonaccrual | 209 | 212 |  |
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 | 19 |  |
Nonaccrual | 4,150 | 4,141 |  |
Financing Receivable, Modifications, Recorded Investment | 0 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 184 | 172 |  |
Financing Receivable, Modifications, Recorded Investment | 0 | 56 |  |
Financing Receivable, Modifications, Nonaccrual | 2,461 | 2,440 |  |
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 | 761 | 707 |  |
Financing Receivable, Modifications, Recorded Investment | 0 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 1,211 | 1,236 |  |
Financing Receivable, Modifications, Recorded Investment | 0 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 139 | 1,011 |  |
Nonaccrual | 4,180 | 3,972 |  |
Financing Receivable, Modifications, Recorded Investment | 3,103 | 3,105 |  |
Financing Receivable, Modifications, Nonaccrual | 498 | 575 |  |
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 | 29 | 8 |  |
Nonaccrual | 221 | 249 |  |
Financing Receivable, Modifications, Recorded Investment | 0 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 57 | 137 |  |
Nonaccrual | 78 | 134 |  |
Financing Receivable, Modifications, Recorded Investment | 36 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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, Recorded Investment | 0 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 86 | 90 |  |
Financing Receivable, Modifications, Recorded Investment | 0 | 0 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 430 | 268 |  |
Nonaccrual | 197 | 242 |  |
Financing Receivable, Modifications, Recorded Investment | 7 | 9 |  |
Financing Receivable, Modifications, Nonaccrual | 0 | 0 |  |
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 | 5 | 0 |  |
Nonaccrual | 500 | 623 |  |
Financing Receivable, Modifications, Recorded Investment | 246 | 177 |  |
Financing Receivable, Modifications, Nonaccrual | $ 425 | $ 527 |  |

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 The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&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=us-gaap_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: |