Commitments and Contingencies - Schedule of Activity in the Repurchase Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Commitments and Contingencies [Roll Forward]
Balance at beginning of period	$ 1,129	$ 3,445	$ 1,621	$ 4,802
Provision for loan repurchases or indemnifications	(200)	(800)	(650)	(1,989)
Losses on loans repurchased or indemnified	0	16	(42)	(152)
Balance at end of period	$ 929	$ 2,661	$ 929	$ 2,661