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Loan Servicing Rights (Tables)
3 Months Ended
Mar. 31, 2021
Transfers and Servicing [Abstract]  
Components of Loan Servicing Rights and Valuation Allowance
The following table summarizes the carrying values and activity related to loan servicing rights and the related valuation allowance: 
Three Months Ended
March 31,
(dollars in thousands)20212020
Balance at beginning of period$28,124 $25,399 
Additions3,113 1,731 
Amortization(2,975)(1,555)
Balance before valuation allowance at end of period28,262 25,575 
Valuation allowance:
Balance at beginning of period(1,407)(31)
(Additions)/recoveries1,261 (1,412)
Balance at end of period(146)(1,443)
Loan servicing rights, net$28,116 $24,132