Servicing Assets - Fair Value Assumptions (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022
Transfers and Servicing [Abstract]
SBA Servicing Assets: Weighted-average discount rate	11.20%	8.76%
SBA Servicing Assets: Constant prepayment rate	14.64%	12.09%
Mortgage Servicing Assets: Weighted-average discount rate	8.63%	11.38%
Mortgage Servicing Assets: Constant prepayment rate	9.58%	9.61%