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Loan Servicing Rights (Tables)
3 Months Ended
Mar. 31, 2020
Text Block [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)20202019
Balance at beginning of period$25,399  $24,512  
Additions1,731  659  
Amortization(1,555) (900) 
Balance before valuation allowance at end of period25,575  24,271  
Valuation allowance:
Balance at beginning of period(31) (15) 
(Additions)/recoveries(1,412) (2) 
Balance at end of period(1,443) (17) 
Loan servicing rights, net$24,132  $24,254