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Loan Servicing Rights (Tables)
6 Months Ended
Jun. 30, 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
June 30,
Six Months Ended
June 30,
(dollars in thousands)2020201920202019
Balance at beginning of period$25,575  $24,271  $25,399  $24,512  
Additions3,672  1,270  5,403  1,929  
Amortization(2,959) (1,177) (4,514) (2,077) 
Balance before valuation allowance at end of period26,288  24,364  26,288  24,364  
Valuation allowance:
Balance at beginning of period(1,443) (17) (31) (15) 
(Additions)/recoveries(810) (15) (2,222) (17) 
Balance at end of period(2,253) (32) (2,253) (32) 
Loan servicing rights, net$24,035  $24,332  $24,035  $24,332