Transfers of Financial Assets Servicing Assets at Amortized Cost Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Beginning Balance	$ 16,391	$ 19,785	$ 17,484	$ 21,215
Additions	779	791	1,968	1,253
Amortization	(1,669)	(1,864)	(3,376)	(3,756)
Mortgage Servicing Rights (MSR) Impairment (Recovery)	(575)	0	(1,150)	0
Ending Balance	$ 14,926	$ 18,712	$ 14,926	$ 18,712