Transfers of Financial Assets Servicing Assets at Amortized Cost Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Beginning Balance	$ 12,327	$ 16,391	$ 13,422	$ 17,484
Additions	616	779	1,202	1,968
Amortization	(1,442)	(1,669)	(2,932)	(3,376)
Mortgage Servicing Rights (MSR) Impairment (Recovery)	0	(575)	(191)	(1,150)
Ending Balance	$ 11,501	$ 14,926	$ 11,501	$ 14,926