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Loan Servicing (Tables)
3 Months Ended
Mar. 31, 2021
Payments for (Proceeds from) Mortgage Servicing Rights [Abstract]  
Originated Mortgage Servicing Rights
March 31,December 31,
20212020
Mortgage servicing rights
Balance, beginning of period$17,644 $15,046 
Servicing rights capitalized1,130 5,530 
Amortization of servicing rights(962)(2,932)
Balance, end of period17,812 17,644 
Impairment allowance
Balance, beginning of period(5,172)(719)
Additions— (5,106)
Reductions235 653 
Balance, end of period(4,937)(5,172)
Mortgage servicing rights, net$12,875 $12,472