Fair Value of Assets and Liabilities - Schedule of Changes In Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Municipal
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 116,075	$ 95,792	$ 121,607	$ 86,237
Net income	0	0	0	0
Other comprehensive income or loss	(937)	968	(8,368)	(1,700)
Purchases	14,696	38,490	29,978	56,556
Issuances			0
Sales			0	0
Settlements	(40)	0	(13,423)	(5,843)
Net transfers into Level 3	0	0	0	0
Ending balance	129,794	135,250	129,794	135,250
Mortgage loans held-for-sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	27,168	40,545	60,399	26,835
Net income	82	126	1,534	398
Other comprehensive income or loss	0	0	0	0
Purchases	0	0	0	0
Issuances			0
Sales			0	0
Settlements	(7,182)	(8,078)	(76,602)	(28,687)
Net transfers into Level 3	34,658	26,470	69,395	60,517
Ending balance	54,726	59,063	54,726	59,063
Loans held-for- investment
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	53,037	45,721	34,896	60,670
Net income	(663)	381	173	130
Other comprehensive income or loss	0	0	0	0
Purchases	0	0	0	0
Issuances			0
Sales			0	0
Settlements	(11,810)	(7,924)	(24,535)	(31,436)
Net transfers into Level 3	8,656	6,597	38,686	15,411
Ending balance	49,220	44,775	49,220	44,775
Mortgage servicing rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	193,061	204,610	203,788	192,456
Net income	(2,123)	(18,302)	(12,850)	(6,148)
Other comprehensive income or loss	0	0	0	0
Purchases	0	0	0	0
Issuances			0
Sales			0	0
Settlements	0	0	0	0
Net transfers into Level 3	0	0	0	0
Ending balance	190,938	186,308	190,938	186,308
Derivative assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	5,548	4,795	1,950	4,510
Net income	1,601	347	5,199	632
Other comprehensive income or loss	0	0	0	0
Purchases	0	0	0	0
Issuances			0
Sales			0	0
Settlements	0	0	0	0
Net transfers into Level 3	0	0	0	0
Ending balance	$ 7,149	$ 5,142	$ 7,149	$ 5,142