Contingencies and Other Disclosures (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Estimated litigation liability	$ 2,000,000
Accrued losses on loan repurchase exposure	16,000,000	$ 17,000,000
Minimum
Loss Contingencies [Line Items]
Estimated litigation liability	0
Maximum
Loss Contingencies [Line Items]
Estimated litigation liability	$ 1,000,000