XML 34 R24.htm IDEA: XBRL DOCUMENT v3.23.1
Mortgage Servicing Rights (Tables)
3 Months Ended
Mar. 31, 2023
Transfers and Servicing [Abstract]  
Summary of Changes to MSR Assets
The following table summarizes changes to the MSR assets:

Three Months Ended March 31,
20232022
Fair value, beginning of period$6,946,940 $5,385,613 
MSRs originated204,560 796,616 
MSRs sales(81,538)(253,997)
Changes in fair value:
Due to changes in valuation model inputs or assumptions (1)(217,802)767,271 
Due to collection/realization of cash flows(182,221)(285,215)
Total changes in fair value(400,023)482,056 
Fair value, end of period$6,669,939 $6,410,288 

(1)    Reflects changes in assumptions including discount rates and prepayment speed assumptions, mostly due to changes in market interest rates. Does not include the change in fair value of derivatives that economically hedge MSRs identified for sale or the effects of contractual prepayment protection resulting from sales of MSRs.
Schedule of Assumptions Used to Determine Fair Value of MSRs
The following is a summary of the weighted average discount rate and prepayment speed assumptions used to determine the fair value of MSRs as well as the expected life of the loans in the servicing portfolio:
March 31, 2023December 31, 2022
Discount rate9.9 %9.9 %
Prepayment speeds7.1 %6.9 %
Life (in years)7.978.08
Summary of Discount Rate and Prepayment Speeds at Two Different Data Points
The following table stresses the discount rate and prepayment speeds at two different data points:
Discount RatePrepayment Speeds
100 BPS Adverse Change200 BPS Adverse Change10% Adverse Change20% Adverse Change
March 31, 2023
Mortgage servicing rights
$(282,637)$(539,918)$(171,374)$(334,669)
December 31, 2022
Mortgage servicing rights$(295,754)$(565,704)$(171,297)$(334,664)