Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 394,111	$ 230,018
Accumulated Amortization	(175,469)	(159,632)
Net Intangible Assets	218,642	70,386
Loan servicing rights
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	119,142	114,636
Accumulated Amortization	(93,697)	(90,951)
Net Intangible Assets	25,445	23,685
Core deposits
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	223,670	109,290
Accumulated Amortization	(76,447)	(65,488)
Net Intangible Assets	147,223	43,802
Other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	51,299	6,092
Accumulated Amortization	(5,325)	(3,193)
Net Intangible Assets	$ 45,974	$ 2,899