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- Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Leases [Abstract]    
Operating lease cost $ 957 $ 924
Short-term lease cost 57 75
Depreciation of leased assets 109 132
Interest on lease liabilities 126 132
Total finance lease cost 235 264
Total lease cost $ 1,249 $ 1,263