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Servicing Activities - Schedule of Mortgage Servicing Rights Sensitivity Analysis of Fair Value (Details)

v3.24.3
Servicing Activities - Schedule of Mortgage Servicing Rights Sensitivity Analysis of Fair Value (Details)
$ in Thousands
Sep. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
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]    
Impact on fair value of 10% adverse change $ (78,785) $ (74,042)
Impact on fair value of 20% adverse change (153,445) (146,237)
Impact on fair value of 10% adverse change (5,076) (4,654)
Impact on fair value of 20% adverse change (13,037) (12,376)
Impact on fair value of 10% adverse change (66,728) (59,285)
Impact on fair value of 20% adverse change (130,169) (119,776)
Impact on fair value of 10% adverse change (28,598) (24,111)
Impact on fair value of 20% adverse change $ (58,941) $ (48,985)
Constant prepayment speed    
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]    
Weighted average assumption 0.066 0.062
Measurement Input, Delinquency    
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]    
Weighted average assumption 0.008 0.009
Option-adjusted spread    
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]    
Weighted average assumption 0.054 0.053
Per loan annual cost to service    
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]    
Weighted average assumption 68.56 68.27