Residential Mortgage Servicing Rights (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Transfers and Servicing of Financial Assets [Abstract]
Servicing		$ 8,900	$ 9,500	$ 27,500	$ 28,200
Sale of MSR assets	$ 57,500	57,454	$ 0	57,454	$ 0
Residential Mortgage Loans Serviced for Others, Disposal	$ 4,400,000	$ 4,400,000		$ 4,400,000