Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Principles - Nonperforming Loans and Leases, Charge-offs and Delinquencies, TDRs (Details)

v3.22.4
Summary of Significant Accounting Principles - Nonperforming Loans and Leases, Charge-offs and Delinquencies, TDRs (Details)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Past Due [Line Items]    
Threshold period past due for nonperforming status of financing receivables 90 days 90 days
Consumer Portfolio Segment    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for nonperforming status of financing receivables 90 days  
Threshold period past due for write-off of financing receivable 120 days  
Consumer Portfolio Segment | Chapter Seven Bankruptcy    
Financing Receivable, 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, Past Due [Line Items]    
Threshold period past due for write-off of financing receivable 180 days  
Consumer Portfolio Segment | Credit Card and Other Unsecured Consumer Loans | Death, Bankruptcy or Fraud    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for write-off of financing receivable 60 days  
Consumer Portfolio Segment | Consumer Vehicle Loans    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for write-off of financing receivable 90 days  
Consumer Portfolio Segment | Consumer Vehicle Loans | Death, Bankruptcy or Fraud    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for write-off of financing receivable 60 days  
Consumer real estate    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for write-off of financing receivable 180 days  
Consumer real estate | Death, Bankruptcy or Fraud    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for write-off of financing receivable 60 days  
Consumer real estate | Residential Mortgage    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for nonperforming status of financing receivables 90 days  
Consumer real estate | Junior Lien Home Equity Financing Receivable    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for nonperforming status of financing receivables 90 days  
Commercial    
Financing Receivable, Past Due [Line Items]    
Threshold period past due for nonperforming status of financing receivables 90 days  
Credit card and other consumer | Credit Card and Other Unsecured Consumer Loans    
Financing Receivable, 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