Guarantees - Changes from credit recourses agreements (Details) - Guarantee on loans sold or serviced with credit recourse - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Guarantor Obligations [Line Items]
Balance as of beginning of period	$ 11,800	$ 22,484
Provision (benefit) for recourse liability	(1,715)	(2,948)
Net charge-offs	(3,188)	(7,736)
Balance as of end of period	$ 6,897	$ 11,800