Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Continuing operations:
Self-insured liability	$ 5,450	$ 5,715
Accrued employee benefit costs	2,879	2,363
Accrued sales and use taxes	1,857	1,547
Accrued interest payable	1,809	3,042
Accrued professional fees	1,635	1,691
Current portion of pension and postretirement liabilities	1,618	1,805
Commissions payable	1,352	903
Accrued restructuring	1,224	2,479
Other taxes	1,824	1,872
Other	4,974	5,123
Total continuing operations	24,622	26,540
Discontinued operations:
Self-insured liability	226	347
Environmental remediation liabilities	61	61
Other	91	91
Total discontinued operations	378	499
Total other current liabilities	$ 25,000	$ 27,039