Transfers and Servicing of Financial Assets (Servicing Assets at Amortized Cost Roll Forward) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Beginning Balance	$ 8,592	$ 11,501	$ 9,237	$ 13,422
Additions	1,627	483	2,751	1,685
Amortization	(382)	(1,363)	(2,151)	(4,295)
Adjustment to valuation allowance	0	(454)	0	(645)
Ending Balance	9,837	10,167	9,837	10,167
Business Acquisition [Line Items]
Additions	$ 1,627	$ 483	2,751	$ 1,685
Sterling
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Additions			900
Business Acquisition [Line Items]
Additions			$ 900