XML 87 R64.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans (Credit Quality Indicators - Commercial) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable $ 1,518,737us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 $ 1,491,655us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | Commercial Mortgages [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 842,516us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 819,857us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | Commercial Construction & Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 89,851us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 79,592us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | Commercial & Industrial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 586,370us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wash_CommercialOtherMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 592,206us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wash_CommercialOtherMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 32,743us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 34,683us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Special Mention [Member] | Commercial Mortgages [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 17,207us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 18,372us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Special Mention [Member] | Commercial Construction & Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 0us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 0us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Special Mention [Member] | Commercial & Industrial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 15,536us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wash_CommercialOtherMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 16,311us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wash_CommercialOtherMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Classified [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 8,043us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember		 9,150us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember
Classified [Member] | Commercial Mortgages [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 5,319us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember		 5,749us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember
Classified [Member] | Commercial Construction & Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable 0us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember		 0us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember
Classified [Member] | Commercial & Industrial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans Receivable $ 2,724us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wash_CommercialOtherMember
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember		 $ 3,401us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wash_CommercialOtherMember
/ us-gaap_InternalCreditAssessmentAxis
= wash_ClassifiedMember