Fair Value Accounting - Fair Value Measurements and Valuation Techniques (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments	$ 11,172	$ 12,185
SBA loans servicing asset	2,354	3,233
Visa derivative liability	(342,680)	(98,602)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments	11,172	12,185
SBA loans servicing asset	2,354	3,233
Visa derivative liability	$ (3,453)	$ (3,535)
Level 3 | Discounted cash flow analysis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Servicing assets and servicing liabilities at fair value, assumptions used to estimate fair value, discount rate	18.85%	8.55%
Servicing assets and servicing liabilities at fair value, assumptions used to estimate fair value, prepayment speeds	14.73%	18.50%
Level 3 | Discounted cash flow analysis | Visa Derivative Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Covered litigation conversion ratio	1.5991	1.6181
Level 3 | Discounted cash flow analysis | Minimum | Visa Derivative Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated timing of resolution of covered litigation and future cumulative deposits to the litigation escrow for settlement of the Covered Litigation	0 years	0 years
Level 3 | Discounted cash flow analysis | Maximum | Visa Derivative Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated timing of resolution of covered litigation and future cumulative deposits to the litigation escrow for settlement of the Covered Litigation	1 year 7 months 6 days	1 year 9 months 18 days