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v2.4.1.9

Investments (Unrealized Gain (Loss) on Investments) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2014
Schedule of Investments [Line Items] |  |  |
Amortized Cost | $ 234,683 us-gaap_AvailableForSaleSecuritiesAmortizedCost | $ 231,745 us-gaap_AvailableForSaleSecuritiesAmortizedCost |
Gross Unrealized Gains | 5,346 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains | 3,344 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains |
Gross Unrealized Losses | 12,234 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss | 13,972 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss |
Investment securities - available-for-sale (at fair value) | 227,795 us-gaap_AvailableForSaleSecurities | 221,117 us-gaap_AvailableForSaleSecurities | 221,117 us-gaap_AvailableForSaleSecurities
OTTI in AOCI | 3,532 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities | 6,143 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities |
Held-to-maturity amortized cost | 109,040 us-gaap_HeldToMaturitySecurities | 109,449 us-gaap_HeldToMaturitySecurities | 109,449 us-gaap_HeldToMaturitySecurities
Held-to-maturity Gross Unrealized Gains | 2,511 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains | 1,444 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains |
Held-to-maturity gross unrealized losses | 231 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses | 122 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses |
Investment securities - HTM | 111,320 us-gaap_HeldToMaturitySecuritiesFairValue | 110,771 us-gaap_HeldToMaturitySecuritiesFairValue | 110,771 us-gaap_HeldToMaturitySecuritiesFairValue
Held-to-maturity OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities |
U.S. Treasury [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 27,083 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember | 29,607 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember |
Gross Unrealized Gains | 14 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember |
Gross Unrealized Losses | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember | 11 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember |
Investment securities - available-for-sale (at fair value) | 27,097 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember | 29,596 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember |
OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USTreasurySecuritiesMember |
US government agencies [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 44,067 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 39,077 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Gross Unrealized Gains | 226 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 117 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Gross Unrealized Losses | 75 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 253 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Investment securities - available-for-sale (at fair value) | 44,218 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 38,941 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Held-to-maturity amortized cost | 24,566 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 24,520 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Held-to-maturity Gross Unrealized Gains | 911 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 514 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Held-to-maturity gross unrealized losses | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Investment securities - HTM | 25,477 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember | 25,034 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |
Held-to-maturity OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember |  |
Residential mortgage-backed agencies [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 28,774 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 45,175 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Gross Unrealized Gains | 478 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 510 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Gross Unrealized Losses | 244 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 412 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Investment securities - available-for-sale (at fair value) | 29,008 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 45,273 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Held-to-maturity amortized cost | 58,427 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 58,400 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Held-to-maturity Gross Unrealized Gains | 958 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 613 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Held-to-maturity gross unrealized losses | 34 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 5 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Investment securities - HTM | 59,351 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember | 59,008 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |
Held-to-maturity OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_ResidentialMortgageBackedSecuritiesMember |  |
Commercial mortgage-backed agencies [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 36,636 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 26,007 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Gross Unrealized Gains | 439 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 53 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Gross Unrealized Losses | 29 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 103 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Investment securities - available-for-sale (at fair value) | 37,046 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 25,957 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Held-to-maturity amortized cost | 16,331 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 16,425 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Held-to-maturity Gross Unrealized Gains | 559 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 312 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Held-to-maturity gross unrealized losses | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Investment securities - HTM | 16,890 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember | 16,737 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |
Held-to-maturity OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |  |
Collateralized mortgage obligations [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 14,028 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 8,611 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Gross Unrealized Gains | 161 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 96 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Gross Unrealized Losses | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Investment securities - available-for-sale (at fair value) | 14,189 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 8,707 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Held-to-maturity amortized cost | 6,991 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 7,379 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Held-to-maturity Gross Unrealized Gains | 83 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 5 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Held-to-maturity gross unrealized losses | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Investment securities - HTM | 7,074 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember | 7,384 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |
Held-to-maturity OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_MortgageBackedSecuritiesMember |  |
Obligations of states and political subdivisions [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 46,696 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 46,151 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Gross Unrealized Gains | 1,365 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 1,413 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Gross Unrealized Losses | 215 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 260 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Investment securities - available-for-sale (at fair value) | 47,846 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 47,304 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Held-to-maturity amortized cost | 2,725 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 2,725 us-gaap_HeldToMaturitySecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Held-to-maturity Gross Unrealized Gains | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 0 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Held-to-maturity gross unrealized losses | 197 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 117 us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingLosses / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Investment securities - HTM | 2,528 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember | 2,608 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Held-to-maturity OTTI in AOCI | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  |
Collateralized debt obligations [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Amortized Cost | 37,399 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember | 37,117 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember |
Gross Unrealized Gains | 2,663 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember | 1,155 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember |
Gross Unrealized Losses | 11,671 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember | 12,933 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember |
Investment securities - available-for-sale (at fair value) | 28,391 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember | 25,339 us-gaap_AvailableForSaleSecurities / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember |
OTTI in AOCI | $ 3,532 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember | $ 6,143 us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities / us-gaap_DebtSecurityAxis = us-gaap_CollateralizedDebtObligationsMember |

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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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Period Type: | instant

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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (dd) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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