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Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Line of Credit Facility    
Finance leases and financing agreements $ 252 $ 534
Total 49,104 58,152
Less current maturities (117) (2,877)
Long-term portion 48,987 55,275
Revolving credit facility    
Line of Credit Facility    
Line of credit facility, amount outstanding 48,852 33,868
Term loan    
Line of Credit Facility    
Line of credit facility, amount outstanding $ 0 $ 23,750