Fair Value Measurements - Reconciliation of Assets with Unobservable Inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 16,562	$ 13,944
Change included in earnings	(7,408)	(11,305)
Purchases and issuances	34,528	54,205
Sales and settlements	(27,487)	(40,282)
Ending balance	16,195	16,562
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	11,218	11,920
Change included in earnings	(3,582)	(5,526)
Purchases and issuances	6,088	4,824
Sales and settlements	0	0
Ending balance	13,724	11,218
Commercial servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,310	1,214
Change included in earnings	(437)	(99)
Purchases and issuances	211	195
Sales and settlements	0	0
Ending balance	1,084	1,310
Interest rate lock commitments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	4,034	810
Change included in earnings	(3,389)	(5,680)
Purchases and issuances	28,229	49,186
Sales and settlements	(27,487)	(40,282)
Ending balance	$ 1,387	$ 4,034