Residential Mortgage Servicing Rights (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Transfers and Servicing [Abstract]
Contractually Specified Servicing Fee, Late Fee, and Ancillary Fee Earned in Exchange for Servicing Financial Asset	$ 33,400	$ 37,400	$ 36,800
Sale of MSR assets	57,305	$ 0	$ 0
Residential Mortgage Loans Serviced for Others, Disposal	$ 4,300,000