Fair Value Measurements - Reconciliation of Assets with Unobservable Inputs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 21,204,000	$ 16,195,000
Change included in earnings	(1,018,000)	176,000
Purchases and issuances	2,050,000	5,370,000
Sales and settlements	(1,078,000)	(4,263,000)
Ending balance	21,158,000	17,478,000
Net change in unrealized gains (losses) relating to items held at end of period	685,000	965,000
Net change in unrealized gains (losses) included in other comprehensive income	0	0
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	18,635,000	13,724,000
Change included in earnings	(795,000)	711,000
Purchases and issuances	463,000	987,000
Sales and settlements	0	0
Ending balance	18,303,000	15,422,000
Net change in unrealized gains (losses) relating to items held at end of period	0	0
Commercial servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	2,129,000	1,084,000
Change included in earnings	(49,000)	(26,000)
Purchases and issuances	90,000	33,000
Sales and settlements	0	0
Ending balance	2,170,000	1,091,000
Net change in unrealized gains (losses) relating to items held at end of period	0	0
Interest rate lock commitments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	440,000	1,387,000
Change included in earnings	(174,000)	(509,000)
Purchases and issuances	1,497,000	4,350,000
Sales and settlements	(1,078,000)	(4,263,000)
Ending balance	685,000	965,000
Net change in unrealized gains (losses) relating to items held at end of period	$ 685,000	$ 965,000