Liability for Losses Under Representations and Warranties (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
During the period:
Balance at beginning of quarter	$ 29,129	$ 30,788
Provision for losses on loans sold resulting from sales of loans	3,547	3,952
Provision for losses on loans sold resulting from change in estimate	(1,415)	(3,320)
Losses incurred	(487)	(1,444)
Balance at end of quarter	30,774	29,976
Unpaid principal balance of loans subject to representations and warranties at end of quarter	$ 430,898,425	$ 366,147,661