Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Continuing operations:
Accrued income tax payable	$ 7,518	$ 758
Self-insured liability accrual	6,208	5,941
Commissions payable	3,235	639
Accrued employee benefit costs	2,915	2,624
Accrued sales and use taxes	2,431	4,279
Accrued dividends	2,094	2,119
Current portion of pension and postretirement liabilities	2,109	1,963
Deferred rent	1,679	1,535
Accrued rebates	1,106	1,078
Accrued professional fees	1,020	794
Accrued restructuring	722	1,924
Other taxes	2,750	4,210
Other	3,852	1,774
Total continuing operations	37,639	29,638
Discontinued operations:
Environmental remediation liabilities	648	492
Self-insured liability accrual	337	162
Other	96	98
Total discontinued operations	1,081	752
Total other current liabilities	$ 38,720	$ 30,390