Financial Guarantee Liability - Summary of Changes on Estimated Liability Under Guarantee Liability (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Guaranty LIability:
Beginning balance			$ 25,989	$ 29,581	$ 29,581
Provision for expected credit losses	$ 300	$ 4,700	89	$ 6,300	3,592
Ending balance	$ 25,900		$ 25,900		$ 25,989