Fair Value Accounting (Schedule of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Visa Derivative
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ (1,111)	$ (1,776)	$ (3,453)	$ (3,535)
Included in earnings	(3,027)	(3,500)	(3,027)	(3,500)
Additions	0	0	0	0
Settlements	201	283	2,543	2,042
Ending balance	(3,937)	(4,993)	(3,937)	(4,993)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held	(3,027)	(3,500)	(3,027)	(3,500)
Other Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	11,655	12,093	11,172	12,185
Included in earnings	(43)	(7,037)	(71)	(7,129)
Additions	158	6,027	669	6,027
Settlements	0	0	0	0
Ending balance	11,770	11,083	11,770	11,083
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held	(43)	(7,037)	(71)	(7,129)
SBA Loans Servicing Asset
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	2,412	3,451	2,354	3,233
Included in earnings	(303)	(510)	(515)	(772)
Additions	125	0	395	0
Settlements	0	214	0	694
Ending balance	2,234	3,155	2,234	3,155
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held	$ (303)	$ (510)	$ (515)	$ (772)