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Leases (Tables)
 3 Months Ended
Mar. 31, 2022
Leases [Abstract]  
Schedule of lease costs and other lease information
The following table presents lease costs and other lease information.
Three Months Ended
(dollars in thousands)March 31, 2022March 31, 2021
Lease cost
Operating lease cost (cost resulting from lease payments)$1,840 $2,159 
Variable lease cost (cost excluded from lease payments)231 250 
Sublease income(87)(87)
Net lease cost$1,984 $2,322 
Operating lease - operating cash flows (fixed payments)$1,820 $2,304 
March 31, 2022December 31, 2021
Operating lease right-of-use assets$28,969 $30,555 
Operating lease liabilities$33,935 $35,501 
Weighted average lease term - operating leases6.12yrs6.26yrs
Weighted average discount rate - operating leases3.01 %3.05 %
Schedule of future minimum payments for operating leases
Future minimum payments for operating leases with initial or remaining terms of more than one year as of March 31, 2022 were as follows:
(dollars in thousands)
Twelve months ended:  
March 31, 2023$5,411 
March 31, 20247,037 
March 31, 20256,293 
March 31, 20265,331 
March 31, 20274,186 
Thereafter8,407 
Total future minimum lease payments36,665 
Amounts representing interest(2,730)
Present value of net future minimum lease payments$33,935