Financial Guarantee Liability - Summary of Changes on Estimated Liability Under Guarantee Liability (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Guaranty LIability:
Beginning balance			$ 27,729	$ 25,989	$ 25,989
Provision for expected credit losses	$ (800)	$ 700	3,405	$ 600	1,740
Credit loss settlement			(1,812)
Ending balance	$ 29,322		$ 29,322		$ 27,729