XML 36 R86.htm IDEA: XBRL DOCUMENT v2.4.1.9
OTHER BORROWINGS: (Details textual) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
FHLB advances $ 12,886,000us-gaap_AdvancesFromFederalHomeLoanBanks $ 58,288,000us-gaap_AdvancesFromFederalHomeLoanBanks
Advances, contractual due 12,400,000thff_FederalHomeLoanBankAdvancesContractuallyDue 57,500,000thff_FederalHomeLoanBankAdvancesContractuallyDue
Premium of federal home loan bank advance 519,000thff_PremiumOfFederalHomeLoanBankAdvance 816,000thff_PremiumOfFederalHomeLoanBankAdvance
General debt obligations, collateral pledged 83,600,000us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 15,900,000us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
General debt obligations, maximum amount available $ 210,600,000us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable  
Minimum    
Debt Instrument [Line Items]    
Branch of FHLB bank, interest rate (percent) 3.10%us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
3.10%us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum    
Debt Instrument [Line Items]    
Branch of FHLB bank, interest rate (percent) 6.60%us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
6.60%us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember