Fair Values 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	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Mortgage loans held-for-sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 48,655	$ 0
Net income	1,960	(2,749)
Other comprehensive income or loss	0	0
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	(75,342)	(43,434)
Net transfers into Level 3	51,562	94,838
Ending Balance	26,835	48,655
Loans held-for-investment
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	84,165	15,891
Net income	(103)	(4,177)
Other comprehensive income or loss	0	0
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	(69,218)	(38,319)
Net transfers into Level 3	45,826	110,770
Ending Balance	60,670	84,165
MSRs
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	230,225	147,571
Net income	(7,599)	82,654
Other comprehensive income or loss	0	0
Purchases	0	0
Issuances	0	0
Sales	(30,170)	0
Settlements	0	0
Net transfers into Level 3	0	0
Ending Balance	192,456	230,225
Derivative assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	1,711	10,560
Net income	2,799	(8,849)
Other comprehensive income or loss	0	0
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	0
Net transfers into Level 3	0	0
Ending Balance	4,510	1,711
Municipal securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	117,537	105,687
Net income	0	0
Other comprehensive income or loss	(7,152)	(8,766)
Purchases	36,688	60,546
Issuances	0	0
Sales	0	0
Settlements	(60,836)	(39,930)
Net transfers into Level 3	0	0
Ending Balance	$ 86,237	$ 117,537