Fair Value Measurements - Reconciliation of Assets with Unobservable Inputs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 22,106,000	$ 21,204,000
Change included in earnings	(429,000)	(1,018,000)
Purchases and issuances	3,058,000	2,050,000
Sales and settlements	(1,815,000)	(1,078,000)
Ending balance	22,920,000	21,158,000
Net change in unrealized gains (losses) relating to items held at end of period	765,000	685,000
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	19,564,000	18,635,000
Change included in earnings	(25,000)	(795,000)
Purchases and issuances	516,000	463,000
Sales and settlements	0	0
Ending balance	20,055,000	18,303,000
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	2,200,000	2,129,000
Change included in earnings	(129,000)	(49,000)
Purchases and issuances	29,000	90,000
Sales and settlements	0	0
Ending balance	2,100,000	2,170,000
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	342,000	440,000
Change included in earnings	(275,000)	(174,000)
Purchases and issuances	2,513,000	1,497,000
Sales and settlements	(1,815,000)	(1,078,000)
Ending balance	765,000	685,000
Net change in unrealized gains (losses) relating to items held at end of period	$ 765,000	$ 685,000