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Mortgage Servicing Rights (Tables)
12 Months Ended
Dec. 31, 2021
Transfers and Servicing of Financial Assets [Abstract]  
Schedule of changes in carrying value of mortgage servicing rights and the associated valuation allowance
The following table shows changes in the carrying value of MSRs and the associated valuation allowance.
(Dollars in thousands)20212020
Mortgage servicing rights:  
Balance at beginning of year$4,616 $4,200 
Additions2,172 2,777 
Amortization(2,117)(2,361)
Sales — 
Carrying value before valuation allowance at end of year4,671 4,616 
Valuation allowance:  
Balance at beginning of year(812)— 
Impairment recoveries (charges)812 (812)
Balance at end of year$ $(812)
Net carrying value of mortgage servicing rights at end of year$4,671 $3,804 
Fair value of mortgage servicing rights at end of year$5,640 $4,038