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Loan Servicing (Tables)
12 Months Ended
Dec. 31, 2021
Mortgage Banking [Abstract]  
Servicing Asset at Amortized Cost The following schedules disclose the change in the carrying value of mortgage servicing rights that is included in other assets, principal balances of loans serviced and the fair value of mortgage servicing rights:
 Years ended
(Dollars in thousands)December 31,
2021
December 31,
2020
December 31,
2019
Carrying value at beginning of period$8,976 1,618 1,545 
Acquisitions1,354 — — 
Additions4,435 8,298 325 
Amortization(1,926)(940)(252)
Carrying value at end of period$12,839 8,976 1,618 
Principal balances of loans serviced for others$1,639,058 1,269,080 185,897 
Fair value of servicing rights$16,938 12,087 1,763