Fair Value Measurements - Reconciliation of Assets with Unobservable Inputs (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 24,252,000	$ 21,238,000	$ 22,106,000	$ 21,204,000
Change included in earnings	(1,625,000)	(616,000)	(2,604,000)	(2,642,000)
Purchases and issuances	6,664,000	3,497,000	14,273,000	8,826,000
Sales and settlements	(4,258,000)	(2,087,000)	(8,742,000)	(5,356,000)
Ending balance	25,033,000	22,032,000	25,033,000	22,032,000
Net change in unrealized gains (losses) relating to items held at end of period	1,327,000	518,000	1,327,000	518,000
Net change in unrealized gains (losses) included in other comprehensive income	0	0	0	0
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	21,077,000	18,248,000	19,564,000	18,635,000
Change included in earnings	(968,000)	(310,000)	(1,074,000)	(1,679,000)
Purchases and issuances	1,461,000	1,458,000	3,080,000	2,440,000
Sales and settlements	0	0	0	0
Ending balance	21,570,000	19,396,000	21,570,000	19,396,000
Net change in unrealized gains (losses) relating to items held at end of period	0	0	0	0
Commercial servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	2,116,000	2,139,000	2,200,000	2,129,000
Change included in earnings	(10,000)	(39,000)	(155,000)	(144,000)
Purchases and issuances	30,000	18,000	91,000	133,000
Sales and settlements	0	0	0	0
Ending balance	2,136,000	2,118,000	2,136,000	2,118,000
Net change in unrealized gains (losses) relating to items held at end of period	0	0	0	0
Interest rate lock commitments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,059,000	851,000	342,000	440,000
Change included in earnings	(647,000)	(267,000)	(1,375,000)	(819,000)
Purchases and issuances	5,173,000	2,021,000	11,102,000	6,253,000
Sales and settlements	(4,258,000)	(2,087,000)	(8,742,000)	(5,356,000)
Ending balance	1,327,000	518,000	1,327,000	518,000
Net change in unrealized gains (losses) relating to items held at end of period	$ 1,327,000	$ 518,000	$ 1,327,000	$ 518,000