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Leases (Components of Lease Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases    
Operating lease cost $ 3,620 $ 3,921
Operating cash flows from operating leases $ 3,610 $ 3,842
Weighted average remaining lease term in years 5 years 11 months 26 days 5 years 11 months 1 day
Weighted average discount rate 5.50% 5.50%
Financing lease cost $ 1,179  
Operating cash flows from financing leases $ 909  
Weighted average remaining lease term in years 4 years 3 months 0 years
Weighted average discount rate 6.40%