Guarantees - Changes from credit recourses agreements (Details) - Guarantee on loans sold or serviced with credit recourse - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Guarantor Obligations [Line Items]
Balance as of beginning of period	$ 6,897	$ 11,800
Provision (benefit) for recourse liability	(654)	46
Net charge-offs	(379)	(1,511)
Balance as of end of period	$ 5,864	$ 10,335