XML 30 R31.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Allowance for Loan Losses Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Financing Receivable, Modifications [Line Items] |  |  |  |
Beginning Balance | $ 15,028 | $ 21,285 | $ 14,758 | $ 21,285
Added | 213 | 1,139 | 841 | 1,340
Charged Off | 0 | (19) | (102) | (1,108)
Payments | (290) | (724) | (546) | (2,812)
Ending Balance | 14,951 | 14,721 | 14,951 | 14,721
Commercial |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Beginning Balance | 8,835 | 9,343 | 8,955 | 12,327
Added | 0 | 441 | 0 | 441
Charged Off | 0 | 0 | 0 | (1,069)
Payments | (130) | (578) | (250) | (2,493)
Ending Balance | 8,705 | 9,206 | 8,705 | 9,206
Residential |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Beginning Balance | 5,618 | 4,362 | 5,189 | 4,330
Added | 73 | 668 | 652 | 801
Charged Off | 0 | 0 | (62) | 0
Payments | (102) | (74) | (190) | (175)
Ending Balance | 5,589 | 4,956 | 5,589 | 4,956
Consumer |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Beginning Balance | 575 | 620 | 614 | 644
Added | 140 | 30 | 189 | 98
Charged Off | 0 | (19) | (40) | (39)
Payments | (58) | (72) | (106) | (144)
Ending Balance | $ 657 | $ 559 | $ 657 | $ 559

X
- Definition Financing Receivable, Impaired, Troubled Debt Restructuring, Additions During Period + References No definition available. + Details
Name: | thff_FinancingReceivableImpairedTroubledDebtRestructuringAdditionsDuringPeriod
Namespace Prefix: | thff_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Impaired, Troubled Debt Restructuring, Payments During Period + References No definition available. + Details
Name: | thff_FinancingReceivableImpairedTroubledDebtRestructuringPaymentsDuringPeriod
Namespace Prefix: | thff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + 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=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |