Guarantees - Changes from credit recourses agreements (Details) - Guarantee on loans sold or serviced with credit recourse - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Guarantor Obligations [Line Items]
Balance as of beginning of period	$ 4,058	$ 6,223	$ 4,211	$ 6,897
Provision (benefit) for recourse liability	(808)	228	(768)	52
Net charge-offs	(54)	(54)	(247)	(552)
Balance as of end of period	$ 3,196	$ 6,397	$ 3,196	$ 6,397