XML 40 R30.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | $ 19,618 | $ 21,305
Financing Receivable, Recorded Investment, Current | 1,893,711 | 1,891,717
Total | 1,913,329 | 1,913,022
Commercial & Industrial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 1,589 | 1,092
Financing Receivable, Recorded Investment, Current | 490,558 | 474,709
Total | 492,147 | 475,801
Farmland |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 4,119 | 4,012
Financing Receivable, Recorded Investment, Current | 100,979 | 104,457
Total | 105,098 | 108,469
Non Farm, Non Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 2,592 | 141
Financing Receivable, Recorded Investment, Current | 197,476 | 200,804
Total | 200,068 | 200,945
Agriculture |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 679 | 702
Financing Receivable, Recorded Investment, Current | 133,311 | 152,388
Total | 133,990 | 153,090
All Other Commercial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 67 | 0
Financing Receivable, Recorded Investment, Current | 211,106 | 207,875
Total | 211,173 | 207,875
First Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 5,469 | 8,218
Financing Receivable, Recorded Investment, Current | 242,629 | 247,029
Total | 248,098 | 255,247
Home Equity |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 220 | 364
Financing Receivable, Recorded Investment, Current | 35,751 | 35,752
Total | 35,971 | 36,116
Junior Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 208 | 574
Financing Receivable, Recorded Investment, Current | 42,833 | 41,688
Total | 43,041 | 42,262
Multifamily |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivable, Recorded Investment, Current | 97,104 | 90,141
Total | 97,104 | 90,141
All Other Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 65 | 312
Financing Receivable, Recorded Investment, Current | 13,069 | 13,329
Total | 13,134 | 13,641
Motor Vehicle |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 4,479 | 5,761
Financing Receivable, Recorded Investment, Current | 304,384 | 298,211
Total | 308,863 | 303,972
All Other Consumer |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 131 | 129
Financing Receivable, Recorded Investment, Current | 24,511 | 25,334
Total | 24,642 | 25,463
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 8,862 | 12,223
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial & Industrial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 538 | 372
Financing Receivables, 30 to 59 Days Past Due [Member] | Farmland |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 143 | 341
Financing Receivables, 30 to 59 Days Past Due [Member] | Non Farm, Non Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 69 | 141
Financing Receivables, 30 to 59 Days Past Due [Member] | Agriculture |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 23 | 141
Financing Receivables, 30 to 59 Days Past Due [Member] | All Other Commercial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 50 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | First Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 4,160 | 5,467
Financing Receivables, 30 to 59 Days Past Due [Member] | Home Equity |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 191 | 310
Financing Receivables, 30 to 59 Days Past Due [Member] | Junior Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 95 | 274
Financing Receivables, 30 to 59 Days Past Due [Member] | Multifamily |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | All Other Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 53 | 300
Financing Receivables, 30 to 59 Days Past Due [Member] | Motor Vehicle |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 3,438 | 4,770
Financing Receivables, 30 to 59 Days Past Due [Member] | All Other Consumer |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 102 | 107
Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 1,758 | 2,268
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial & Industrial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 431 | 80
Financing Receivables, 60 to 89 Days Past Due [Member] | Farmland |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Non Farm, Non Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 61 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Agriculture |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 25 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | All Other Commercial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 17 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | First Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 533 | 1,317
Financing Receivables, 60 to 89 Days Past Due [Member] | Home Equity |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 46
Financing Receivables, 60 to 89 Days Past Due [Member] | Junior Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 56 | 106
Financing Receivables, 60 to 89 Days Past Due [Member] | Multifamily |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | All Other Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Motor Vehicle |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 611 | 697
Financing Receivables, 60 to 89 Days Past Due [Member] | All Other Consumer |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 24 | 22
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 8,998 | 6,814
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial & Industrial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 620 | 640
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Farmland |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 3,976 | 3,671
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non Farm, Non Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 2,462 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agriculture |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 631 | 561
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All Other Commercial |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | First Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 776 | 1,434
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Home Equity |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 29 | 8
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Junior Liens |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 57 | 194
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Multifamily |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 0 | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All Other Residential |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 12 | 12
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Motor Vehicle |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | 430 | 294
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All Other Consumer |  |
Aging of recorded investment in loans by past due category and class of loans |  |
Total Past Due | $ 5 | $ 0

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 Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded Investment in financing receivables that are past due at 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 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
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_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_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |