Commitments and Contingencies - Schedule of Expenses and Losses Incurred but not Reported (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Pre-funded premiums for losses incurred but not reported	$ 55	$ 168
Accrued automobile and workers’ compensation claims	3,171	2,956
Accrued medical claims	$ 915	$ 1,016