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Residential Mortgage Servicing Rights (Tables)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Transfers and Servicing [Abstract]    
Schedule Of Changes In Mortgage Servicing Rights The following table presents the changes in the Company's residential MSR for the years ended December 31, 2023, 2022, and 2021: 
(in thousands) 202320222021
Balance, beginning of period$185,017 $123,615 $92,907 
Additions for new MSR capitalized5,347 24,137 38,522 
Sale of MSR assets(57,305)— — 
Changes in fair value:  
  Changes due to collection/realization of expected cash flows over time
(17,694)(20,272)(18,903)
  Changes due to valuation inputs or assumptions (1)
(6,122)57,537 11,089 
Balance, end of period$109,243 $185,017 $123,615 
(1) The changes in valuation inputs and assumptions principally reflect changes in discount rates and prepayment speeds, which are primarily affected by changes in interest rates.
  
Schedule Of Other Information Servicing Loan Portfolio  
Information related to the serviced loan portfolio as of December 31, 2023, 2022, and 2021 is as follows: 
(dollars in thousands)December 31, 2023December 31, 2022December 31, 2021
Balance of loans serviced for others$8,175,664 $13,020,189 $12,755,671 
MSR as a percentage of serviced loans1.34 %1.42 %0.97 %
Key Assumptions Used In Measuring The Fair Value of MSR
Key assumptions used in measuring the fair value of MSR as of December 31, 2023, 2022, and 2021 were as follows:
 December 31, 2023December 31, 2022December 31, 2021
Constant prepayment rate6.78 %6.39 %12.75 %
Discount rate10.25 %10.06 %9.57 %
Weighted average life (years)8.38.75.9
  
Sensitivity Analysis of Current Fair Value to Changes in Discount and Prepayment Speed Assumptions
A sensitivity analysis of the current fair value to changes in discount and prepayment speed assumptions as of December 31, 2023 and 2022 is as follows:
 December 31, 2023December 31, 2022
Constant prepayment rate
Effect on fair value of a 10% adverse change$(2,858)$(4,870)
Effect on fair value of a 20% adverse change$(5,575)$(9,518)
Discount rate
Effect on fair value of a 100 basis point adverse change$(4,620)$(8,229)
Effect on fair value of a 200 basis point adverse change$(8,888)$(15,807)