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Loan Servicing
9 Months Ended
Sep. 30, 2023
Payments for (Proceeds from) Mortgage Servicing Rights [Abstract]  
Loan Servicing Loan ServicingLoans serviced for others are not included in the accompanying condensed consolidated balance sheets. The unpaid principal balances of loans serviced for others totaled approximately $1.486 billion and $1.532 billion at September 30, 2023 and December 31, 2022.
Comparable market values and a valuation model that calculates the present value of future cash flows were used to estimate fair value. For purposes of measuring impairment, risk characteristics including product type, investor type and interest rates were used to stratify the originated mortgage servicing rights. Mortgage servicing rights are included in other assets on the balance sheets as of September 30, 2023 and December 31, 2022.

Three Months EndedNine Months Ended
September 30,September 30,September 30,September 30,
2023202220232022
Mortgage servicing rights
Balance, beginning of period$18,507 $18,761 $18,619 $17,780 
Servicing rights capitalized428 567 863 2,942 
Amortization of servicing rights(285)(624)(832)(2,018)
Balance, end of period18,650 18,704 18,650 18,704 
Impairment allowance
Balance, beginning of period— — — (2,594)
Additions— — — — 
Reductions— — — 2,594 
Balance, end of period— — — — 
Mortgage servicing rights, net$18,650 $18,704 $18,650 $18,704 
Fair value, beginning of period$19,659 $18,761 $18,619 $15,186 
Fair value, end of period19,571 18,704 19,571 18,704