Goodwill and Other Intangible Assets, Mortgage Servicing Rights Roll-Forward (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Summary of Changes in MSR [Line Items]
Servicing Asset at Fair Value, Amount, Beginning Balance	$ 86,337	$ 87,683
Servicing Asset at Fair Value, Additions	2,246	8,716
Servicing Asset at Fair Value, Disposals	(2,245)	(8,621)
Servicing Asset at Fair Value, Other Changes in Fair Value	1,261	(1,441)
Servicing Asset at Fair Value, Amount, Ending Balance	87,599	86,337
Portfolio Of Residential Mortgage Loans Serviced For Others	$ 6,144,785	$ 6,191,012
Mortgage Servicing Rights Net To Servicing Portfolio	1.43%	1.39%