Liability for Losses Under Representations and Warranties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
During the period:
Balance at beginning of period	$ 30,788	$ 32,421	$ 43,521
Provision for losses on loans sold resulting from sales of loans	16,486	12,997	9,617
Provision for losses on loans sold resulting from change in estimate	(13,579)	(9,115)	(8,451)
Losses incurred	(4,566)	(5,515)	(12,266)
Balance at end of period	29,129	30,788	32,421
Unpaid principal balance of loans subject to representations and warranties at end of period	$ 413,382,503	$ 354,423,684	$ 296,774,121