Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 393,338	$ 391,974
Accumulated Amortization	(278,759)	(263,313)
Net Intangible Assets	114,579	128,661
Loan servicing rights
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	127,325	125,961
Accumulated Amortization	(106,685)	(104,833)
Net Intangible Assets	20,640	21,128
Core deposits
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	215,620	215,620
Accumulated Amortization	(148,924)	(138,080)
Net Intangible Assets	66,696	77,540
Other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	50,393	50,393
Accumulated Amortization	(23,150)	(20,400)
Net Intangible Assets	$ 27,243	$ 29,993