Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Principles - Loans and Leases (Details)

v2.4.1.9
Summary of Significant Accounting Principles - Loans and Leases (Details)
 12 Months Ended
Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for nonperforming status of financing receivables 90 days
Home equity lines of credit  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Probability of default measurement period 12 months
Home equity lines of credit | Second Mortgage  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Loss severity 100.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancialInstrumentAxis
= us-gaap_SecondMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
Residential Portfolio Segment  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 180 days
Residential Portfolio Segment | Core Portfolio Home Equity  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for nonperforming status of financing receivables 90 days
Residential Portfolio Segment | Junior Lien Home Equity Financing Receivable  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for nonperforming status of financing receivables 90 days
Residential Portfolio Segment | Home equity lines of credit  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 180 days
Residential Portfolio Segment | Residential Mortgage  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for nonperforming status of financing receivables 90 days
Consumer Portfolio Segment  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 180 days
Period for sustained repayment performance 6 months
Consumer Portfolio Segment | Personal Property Secured Loans  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 120 days
Consumer Portfolio Segment | Personal Property Secured Loans | Chapter Seven Bankruptcy  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 60 days
Consumer Portfolio Segment | Credit Card and Other Unsecured Consumer Loans  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 180 days
Threshold period past due for write-off of renegotiated financing receivable placed on a fixed payment plan 120 days
Consumer Portfolio Segment | Credit Card and Other Unsecured Consumer Loans | Death or Bankruptcy  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 60 days
Commercial Portfolio Segment  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for nonperforming status of financing receivables 90 days
Period for sustained repayment performance 6 months
Commercial Portfolio Segment | Business Card Loans  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 180 days
Commercial Portfolio Segment | Business Card Loans | Death or Bankruptcy  
Financing Receivable, Recorded Investment, Past Due [Line Items]  
Threshold period past due for write-off of financing receivable 60 days