XML 66 R116.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Measurements (Schedule Of Valuation Methodology And Unobservable Inputs) (Detail) (Fair Value, Measurements, Nonrecurring [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurements [Line Items]    
Impaired loans and leases 13,775,850us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember		 $ 12,515,714us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
Mortgage servicing assets 28,690us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember		 [1] 29,150us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember		 [1]
Servicing Contracts [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurements [Line Items]    
Mortgage servicing assets 28,690us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_FairValueByAssetClassAxis
= wbs_MortgageServicingRightsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember		  
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurements [Line Items]    
Other real estate owned 2,641us-gaap_OtherAssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= wbs_OtherRealEstateOwnedMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember		  
Nonperforming Financing Receivable [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurements [Line Items]    
Impaired loans and leases 50,978us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NonperformingFinancingReceivableMember		  
Market Approach Valuation Technique [Member] | Other Real Estate Owned [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 8.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_OtherRealEstateOwnedMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		  
Market Approach Valuation Technique [Member] | Other Real Estate Owned [Member] | Minimum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 0.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_OtherRealEstateOwnedMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		  
Market Approach Valuation Technique [Member] | Other Real Estate Owned [Member] | Maximum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 20.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_OtherRealEstateOwnedMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		  
Market Approach Valuation Technique [Member] | Nonperforming Financing Receivable [Member] | Minimum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 2.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NonperformingFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		  
Market Approach Valuation Technique [Member] | Nonperforming Financing Receivable [Member] | Maximum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 15.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NonperformingFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_MarketApproachValuationTechniqueMember		  
Market Approach Valuation Technique - Discount for cost to sell [Member] | Nonperforming Financing Receivable [Member] | Minimum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 0.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NonperformingFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= wbs_MarketApproachValuationTechniqueDiscountforcosttosellMember		  
Market Approach Valuation Technique - Discount for cost to sell [Member] | Nonperforming Financing Receivable [Member] | Maximum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 8.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NonperformingFinancingReceivableMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= wbs_MarketApproachValuationTechniqueDiscountforcosttosellMember		  
Income Approach Valuation Technique [Member] | Servicing Contracts [Member] | Minimum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 1.50%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_MortgageServicingRightsMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember		  
Income Approach Valuation Technique [Member] | Servicing Contracts [Member] | Maximum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 3.00%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_MortgageServicingRightsMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember		  
Interest Rate Risk [Member] | Income Approach Valuation Technique [Member] | Servicing Contracts [Member] | Minimum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 7.60%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_MortgageServicingRightsMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis
= us-gaap_InterestRateRiskMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember		  
Interest Rate Risk [Member] | Income Approach Valuation Technique [Member] | Servicing Contracts [Member] | Maximum [Member]    
Fair Value Measurements [Line Items]    
Range of Inputs 24.90%wbs_PercentageOfUnobservableInputsForLevelThreeAssetsAndLiabilitiesMeasuredAtFairValue
/ us-gaap_FairValueByAssetClassAxis
= wbs_MortgageServicingRightsMember
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
/ us-gaap_ManagingRisksInherentInServicingAssetsAndServicingLiabilitiesByTypeOfRiskAxis
= us-gaap_InterestRateRiskMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= us-gaap_IncomeApproachValuationTechniqueMember		  
[1] The carrying amount of mortgage servicing assets is net of $23 thousand and $156 thousand reserves at December 31, 2014 and December 31, 2013, respectively. The estimated fair value does not include such adjustments.