Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 394,782	$ 230,018
Accumulated Amortization	(186,556)	(159,632)
Net Intangible Assets	208,226	70,386
Loan servicing rights
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	119,813	114,636
Accumulated Amortization	(94,956)	(90,951)
Net Intangible Assets	24,857	23,685
Core deposits
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	223,670	109,290
Accumulated Amortization	(84,511)	(65,488)
Net Intangible Assets	139,159	43,802
Other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	51,299	6,092
Accumulated Amortization	(7,089)	(3,193)
Net Intangible Assets	$ 44,210	$ 2,899