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Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Line of Credit Facility    
Finance leases and financing agreements $ 309 $ 575
Total 55,568 58,193
Less current maturities (142) (2,905)
Long-term portion 55,426 55,288
Revolving credit facility    
Line of Credit Facility    
Line of credit facility, amount outstanding 55,259 33,868
Term loan    
Line of Credit Facility    
Line of credit facility, amount outstanding $ 0 $ 23,750