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Regulatory Capital (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Capital ($) $ 180,678us-gaap_Capital $ 170,344us-gaap_Capital
Capital to RWA (%) 15.60%us-gaap_CapitalToRiskWeightedAssets 15.58%us-gaap_CapitalToRiskWeightedAssets
Capital Required for Capital Adequacy ($) 92,675us-gaap_CapitalRequiredForCapitalAdequacy 87,472us-gaap_CapitalRequiredForCapitalAdequacy
Capital Required for Capital Adequacy to RWA (%) 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
Tier One Risk Based Capital ($) 166,996us-gaap_TierOneRiskBasedCapital 157,095us-gaap_TierOneRiskBasedCapital
Tier One Risk Based Capital to RWA (%) 14.42%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets 14.37%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets
Tier One Risk Based Capital Required for Capital Adequacy ($) 46,338us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy 43,736us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy
Tier One Risk Based Capital Required for Capital Adequacy to RWA (%) 4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets 4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
Tier One Leverage Capital to Average Assets (%) 10.52%us-gaap_TierOneLeverageCapitalToAverageAssets 10.12%us-gaap_TierOneLeverageCapitalToAverageAssets
Tier One Leverage Capital Required for Capital Adequacy ($) 63,493us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy 62,069us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy
Tier One Leverage Capital Required for Capital Adequacy to Average Assets (%) 4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets 4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
Subsidiaries [Member]    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Capital ($) 172,991us-gaap_Capital
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 161,650us-gaap_Capital
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Capital to RWA (%) 15.02%us-gaap_CapitalToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 14.89%us-gaap_CapitalToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Capital Required for Capital Adequacy ($) 92,110us-gaap_CapitalRequiredForCapitalAdequacy
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 86,830us-gaap_CapitalRequiredForCapitalAdequacy
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Capital Required for Capital Adequacy to RWA (%) 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Capital Required to be Well Capitalized ($) 115,137us-gaap_CapitalRequiredToBeWellCapitalized
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 108,538us-gaap_CapitalRequiredToBeWellCapitalized
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Capital Required to be Well Capitalized to RWA (%) 10.00%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 10.00%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Risk Based Capital ($) 159,309us-gaap_TierOneRiskBasedCapital
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 148,401us-gaap_TierOneRiskBasedCapital
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Risk Based Capital to RWA (%) 13.84%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 13.67%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Risk Based Capital Required for Capital Adequacy ($) 46,055us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 43,415us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Risk Based Capital Required for Capital Adequacy to RWA (%) 4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Risk Based Capital Required to be Well Capitalized ($) 69,082us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 65,123us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Risk Based Capital Required to be Well Capitalized to RWA (%) 6.00%us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 6.00%us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Leverage Capital to Average Assets (%) 10.08%us-gaap_TierOneLeverageCapitalToAverageAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 9.62%us-gaap_TierOneLeverageCapitalToAverageAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Leverage Capital Required for Capital Adequacy ($) 63,210us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 61,737us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Leverage Capital Required for Capital Adequacy to Average Assets (%) 4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Leverage Capital Required to be Well Capitalized ($) $ 79,012us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 $ 77,171us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Tier One Leverage Capital Required to be Well Capitalized to Average Assets (%) 5.00%us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 5.00%us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember