Warehouse Facilities Collateralized by U.S. Government Sponsored Enterprises (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Securities Financing Transaction
Outstanding draws	$ 821,165,000	$ 754,308,000
Committed Lines
Securities Financing Transaction
Lines available	1,450,000,000
Uncommitted Lines
Securities Financing Transaction
Lines available	1,600,000,000
Warehouse facility due May 6, 2025
Securities Financing Transaction
Outstanding draws	$ 81,717,000	35,841,000
Basis spread on variable rate	1.30%
Warehouse facility due May 6, 2025 | Committed Lines
Securities Financing Transaction
Lines available	$ 450,000,000
Warehouse facility due May 6, 2025 | Uncommitted Lines
Securities Financing Transaction
Lines available	300,000,000
Warehouse facility due September 25, 2025
Securities Financing Transaction
Outstanding draws	$ 164,115,000	143,470,000
Basis spread on variable rate	1.30%
Warehouse facility due September 25, 2025 | Committed Lines
Securities Financing Transaction
Lines available	$ 200,000,000
Warehouse facility due September 25, 2025 | Uncommitted Lines
Securities Financing Transaction
Lines available	200,000,000
Warehouse facility due October 4, 2025
Securities Financing Transaction
Outstanding draws	$ 575,333,000	416,908,000
Basis spread on variable rate	1.30%
Warehouse facility due October 4, 2025 | Committed Lines
Securities Financing Transaction
Lines available	$ 800,000,000
Warehouse facility due October 4, 2025 | Uncommitted Lines
Securities Financing Transaction
Lines available	600,000,000
Fannie Mae repurchase agreement, open maturity
Securities Financing Transaction
Outstanding draws	$ 0	$ 158,089,000
Basis spread on variable rate	1.15%
Fannie Mae repurchase agreement, open maturity | Committed Lines
Securities Financing Transaction
Lines available	$ 0
Fannie Mae repurchase agreement, open maturity | Uncommitted Lines
Securities Financing Transaction
Lines available	$ 500,000,000