Mortgage Servicing Rights - Schedule of Analysis of Change in Fair Value (Details) - MSR - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
+ 10% adverse change – effect on value, discount rate	$ (159,984)	$ (107,992)
+ 20% adverse change – effect on value, discount rate	(307,114)	(208,567)
+ 10% adverse change – effect on value, prepayment speeds	(133,988)	(138,807)
+ 20% adverse change – effect on value, prepayment speeds	(259,876)	(267,964)
+ 10% adverse change – effect on value, cost of servicing	(38,795)	(37,370)
+ 20% adverse change – effect on value, cost of servicing	$ (77,590)	$ (74,741)