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Schedule of Servicing Asset at Amortized Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Mortgage Loan Servicing        
Balance at beginning of period $ 4,143 $ 2,806 $ 3,726 $ 2,446
Additions 406 946 1,598 1,915
Amortization (348) (420) (1,123) (1,029)
Balance at end of period $ 4,201 $ 3,332 $ 4,201 $ 3,332