Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Loans repurchased	$ 91.3	$ 35.4	$ 279.9	$ 102.3
Commitments to extend credit to potential borrowers	$ 20,500.0		$ 20,500.0