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- Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Leases [Abstract]    
Operating lease cost $ 960 $ 957
Short-term lease cost 49 32
Variable Lease, Cost 41 25
Depreciation of leased assets 108 109
Interest on lease liabilities 120 126
Total finance lease cost 228 235
Total lease cost $ 1,278 $ 1,249