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Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Accrued Liabilities, Current [Abstract]    
Accrued salaries, wages and benefits $ 12,919 $ 7,323
Accrual for insurance claims liabilities 24,135 3,714
Sales taxes 4,774 3,021
Property taxes 1,573 389
Sale-leaseback arrangement 529 482
Accounting and audit fees 254 267
Interest   76
Equipment purchase 921  
Other accrued expenses 820 1,694
Total accrued liabilities $ 45,925 $ 16,966