Warehouse Facilities Collateralized by U.S. Government Sponsored Enterprises - Schedule of Company Lines Available and Borrowings Outstanding (Details) - USD ($)	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Securities Financing Transaction
Outstanding draws	$ 1,290,864,000	$ 754,308,000
Committed Lines
Securities Financing Transaction
Lines available	1,550,000,000
Uncommitted Lines
Securities Financing Transaction
Lines available	1,600,000,000
Warehouse facility due May 5, 2026
Securities Financing Transaction
Outstanding draws	$ 39,420,000	35,841,000
Basis spread on variable rate	1.30%
Warehouse facility due May 5, 2026 | Committed Lines
Securities Financing Transaction
Lines available	$ 450,000,000
Warehouse facility due May 5, 2026 | Uncommitted Lines
Securities Financing Transaction
Lines available	300,000,000
Warehouse facility due September 25, 2025
Securities Financing Transaction
Outstanding draws	$ 390,106,000	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	$ 861,338,000	416,908,000
Basis spread on variable rate	1.30%
Warehouse facility due October 4, 2025 | Committed Lines
Securities Financing Transaction
Lines available	$ 900,000,000
Warehouse facility due October 4, 2025 | Committed Lines | Minimum
Securities Financing Transaction
Warehouse line was temporarily increased	100,000,000
Warehouse facility due October 4, 2025 | Committed Lines | Maximum
Securities Financing Transaction
Warehouse line was temporarily increased	900,000,000
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