Summary of Significant Accounting Policies - Loans and Allowance for Credit Losses (Details)	12 Months Ended
	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan origination fees and direct loan origination costs amortization period	12 months
Threshold period past due for delinquency status of financing receivables	30 days
Credit Card
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan origination fees and direct loan origination costs amortization period	12 months
Threshold period past due for write-off of trade accounts receivable	180 days
Credit Card | Privileges Revoked
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for write-off of trade accounts receivable	120 days
Credit Card | Notification of Death
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for write-off of trade accounts receivable	5 days
Credit Card | Chapter Seven Bankruptcy
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for write-off of trade accounts receivable	30 days
Consumer Banking
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for nonperforming status of financing receivables	90 days
Consumer Banking | Notification of Death
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for nonperforming status of financing receivables	60 days
Consumer Banking | Chapter Seven Bankruptcy
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for nonperforming status of financing receivables	60 days
Consumer Banking | Auto
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for nonperforming status of financing receivables	120 days
Consumer Banking | Small Business Banking Loans | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for nonperforming status of financing receivables	120 days
Consumer Banking | Other Consumer Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold period past due for nonperforming status of financing receivables	40 days