Mortgage Servicing Rights - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
(Positive) negative valuation adjustment to MSR			$ 0	$ (13,561,000)
Mortgage loans held for sale in loans held for sale	$ 1,700,823,000		1,700,823,000
Sale of MSRs	18,525,000
Gain (loss) on sales of mortgage servicing rights	2,960,000
Bank Servicing
Disaggregation of Revenue [Line Items]
Revenue	$ 4,445,000	$ 4,891,000	$ 13,868,000	$ 13,578,000