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Leases Supplementary Balance Sheet Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Leases [Abstract]    
Other assets (net of lease impairment of $1,001) $ 23,099  
Operating Lease, Right-Of-Use Asset, Impairment 1,001  
Other current liabilities 7,268  
Other long-term liabilities 17,096  
Total operating lease liabilities 24,364  
Property, plant and equipment, gross 1,684  
Accumulated depreciation (479)  
Property, plant and equipment, net 1,205  
Current portion of long-term debt 346  
Long-term debt 490  
Total finance lease liabilities $ 836 $ 0
Weighted Average Remaining Lease Term [Abstract]    
Operating leases 4 years 5 months 4 days  
Finance leases 3 years 7 months 9 days  
Leases Weighted Average Discount Rate [Abstract]    
Operating leases 4.84%  
Finance leases 4.70%