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LOW INCOME HOUSING PROJECT INVESTMENTS Low Income Housing Project Investments (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Low Income Housing Project Investments [Abstract]      
Original Investment in Low Income Housing Projects $ 40,541indb_OriginalInvestmentinLowIncomeHousingProjects $ 1,701indb_OriginalInvestmentinLowIncomeHousingProjects  
Investment in Low Income Housing Project 38,943indb_InvestmentinLowIncomeHousingProject 1,193indb_InvestmentinLowIncomeHousingProject  
Capital commitment relating to Low Income Housing Project investments 28,004indb_CapitalcommitmentrelatingtoLowIncomeHousingProjectinvestments 51indb_CapitalcommitmentrelatingtoLowIncomeHousingProjectinvestments 0indb_CapitalcommitmentrelatingtoLowIncomeHousingProjectinvestments
Tax Credits and Benefits Related to Investments in Low Income Housing Projects 1,683indb_TaxCreditsandBenefitsRelatedtoInvestmentsinLowIncomeHousingProjects 236indb_TaxCreditsandBenefitsRelatedtoInvestmentsinLowIncomeHousingProjects  
Amortization of the Investment in Low Income Housing Projects 1,089indb_AmortizationoftheInvestmentinLowIncomeHousingProjects 187indb_AmortizationoftheInvestmentinLowIncomeHousingProjects  
Net Income Tax Benefit Related to Investments in Low Income Housing Projects $ 594indb_NetIncomeTaxBenefitRelatedtoInvestmentsinLowIncomeHousingProjects $ 49indb_NetIncomeTaxBenefitRelatedtoInvestmentsinLowIncomeHousingProjects