Mortgage Servicing Rights - Schedule of Analysis of Change in Fair Value (Details) - MSR - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
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	$ (116,251)	$ (140,727)
+ 20% adverse change – effect on value, discount rate	(222,615)	(269,702)
+ 10% adverse change – effect on value, prepayment speeds	(86,217)	(124,651)
+ 20% adverse change – effect on value, prepayment speeds	(166,763)	(240,082)
+ 10% adverse change – effect on value, cost of servicing	(25,030)	(31,869)
+ 20% adverse change – effect on value, cost of servicing	$ (50,060)	$ (63,738)