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Loan Servicing (Tables)
 9 Months Ended
Sep. 30, 2023
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:
(Dollars in thousands)September 30,
2023		December 31,
2022
Carrying value at beginning of period$13,488 12,839 
Additions362 2,461 
Amortization(1,071)(1,812)
Carrying value at end of period$12,779 13,488 
Principal balances of loans serviced for others$1,593,761 1,661,294 
Fair value of servicing rights$19,336 19,716