Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Accrued purchase price for VEX acquisition	$ 7,500	$ 10,000
Accrual for payroll, benefits and bonuses	5,865	6,575
Accrued automobile and workers’ compensation claims	3,913	3,171
Accrued medical claims	1,033	915
Other	1,577	1,682
Total other current liabilities	$ 19,888	$ 22,343