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Fair Value (Details 3) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Quoted Price for Loan Relationship (Market Approach Valuation) | Commercial real estate loan    
Fair value measurements for financial instruments    
Fair value 668us-gaap_AssetsFairValueDisclosure
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Fair Value Measurements Valuation Technique(s) Description Quoted price for loan relationship  
Quoted Price for Loan Relationship (Market Approach Valuation) | Commercial real estate loan | Weighted Average    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent (41.21%)us-gaap_FairValueInputsComparabilityAdjustments
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Quoted Price for Loan Relationship (Market Approach Valuation) | Commercial    
Fair value measurements for financial instruments    
Fair value 230us-gaap_AssetsFairValueDisclosure
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Fair Value Measurements Valuation Technique(s) Description Quoted price for loan relationship  
Quoted Price for Loan Relationship (Market Approach Valuation) | Commercial | Weighted Average    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent (39.80%)us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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Sales Comparison Valuation | Commercial    
Fair value measurements for financial instruments    
Fair value 143us-gaap_AssetsFairValueDisclosure
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Fair Value Measurements Valuation Technique(s) Description Sales comparison  
Sales Comparison Valuation | Commercial | Minimum    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent (27.43%)us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 (27.43%)us-gaap_FairValueInputsComparabilityAdjustments
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/ us-gaap_RangeAxis
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Sales Comparison Valuation | Commercial | Maximum    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent 32.86%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 32.86%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_RangeAxis
= us-gaap_MaximumMember
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Sales Comparison Valuation | Commercial | Weighted Average    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent 23.48%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_RangeAxis
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= us-gaap_MarketApproachValuationTechniqueMember		 9.96%us-gaap_FairValueInputsComparabilityAdjustments
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/ us-gaap_RangeAxis
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Sales Comparison Valuation | Residential real estate loan    
Fair value measurements for financial instruments    
Fair value 266us-gaap_AssetsFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_ValuationTechniqueAxis
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Fair Value Measurements Valuation Technique(s) Description Sales comparison  
Sales Comparison Valuation | Residential real estate loan | Minimum    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent (26.81%)us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPrimeFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 (18.32%)us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPrimeFinancingReceivableMember
/ us-gaap_RangeAxis
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Sales Comparison Valuation | Residential real estate loan | Maximum    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent 28.82%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPrimeFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
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= us-gaap_MarketApproachValuationTechniqueMember		 24.16%us-gaap_FairValueInputsComparabilityAdjustments
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Sales Comparison Valuation | Residential real estate loan | Weighted Average    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent 9.45%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPrimeFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		 (14.02%)us-gaap_FairValueInputsComparabilityAdjustments
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Sales Comparison Valuation | Other real estate owned    
Fair value measurements for financial instruments    
Fair value   45us-gaap_AssetsFairValueDisclosure
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Fair Value Measurements Valuation Technique(s) Description Sales comparison  
Sales Comparison Valuation | Other real estate owned | Minimum    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent   (12.86%)us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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= us-gaap_MarketApproachValuationTechniqueMember
Sales Comparison Valuation | Other real estate owned | Maximum    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent   11.97%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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= us-gaap_MarketApproachValuationTechniqueMember
Sales Comparison Valuation | Other real estate owned | Weighted Average    
Fair value measurements for financial instruments    
Adjustment for differences between earning multiplier and comparable sales, Percent   (5.79%)us-gaap_FairValueInputsComparabilityAdjustments
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