Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Tax amortization benefit contingency	$ 11,820	$ 11,820
Additional consideration due seller	831	693
Dow settlement liability	0	10,000
Accrued compensation and benefits	7,252	8,932
Accrued rebates payable	5,045	5,027
Insurance premium financing payable	321	639
Severance	395	113
Deferred revenue	980	100
Other notes payable	1,401	5,056
Accrued taxes	8,710	7,848
Accrued interest	6,527	6,321
Other	109	9,260
Accrued and other current liabilities	$ 43,391	$ 65,809