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Mortgage Servicing Rights (Tables)
3 Months Ended
Mar. 31, 2023
Transfers and Servicing [Abstract]  
Changes in the company's MSRs
Changes in the Company’s MSRs were as follows:
Balance at January 1, 2023$84,448 
Capitalization2,915 
Amortization(2,324)
Balance at March 31, 2023$85,039 
Data and key economic assumptions related to the Company's MSRs
Data and key economic assumptions related to the Company’s MSRs are as follows as of the dates presented:
 
March 31, 2023December 31, 2022
Unpaid principal balance$7,537,652 $7,494,413 
Weighted-average prepayment speed (CPR)7.49 %7.00 %
Estimated impact of a 10% increase$(2,308)$(5,393)
Estimated impact of a 20% increase(4,922)(10,354)
Discount rate10.31 %10.30 %
Estimated impact of a 10% increase$(5,149)$(1,765)
Estimated impact of a 20% increase(9,894)(3,957)
Weighted-average coupon interest rate3.58 %3.51 %
Weighted-average servicing fee (basis points)32.46 32.44 
Weighted-average remaining maturity (in years)8.068.33