Goodwill and Other Intangible Assets, Mortgage Servicing Rights Roll-Forward (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Summary of Changes in MSR [Line Items]
Servicing Asset at Fair Value, Amount, Beginning Balance	$ 87,683	$ 84,390	$ 84,390
Servicing Asset at Fair Value, Additions	1,346	$ 877	6,707
Servicing Asset at Fair Value, Disposals	(1,731)		(8,060)
Servicing Asset at Fair Value, Other Changes in Fair Value	(1,047)		4,646
Servicing Asset at Fair Value, Amount, Ending Balance	86,251		87,683
Portfolio Of Residential Mortgage Loans Serviced For Others	$ 6,242,796		$ 6,285,018
Mortgage Servicing Rights Net To Servicing Portfolio	1.38%		1.40%