Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Tax amortization benefit contingency	$ 11,098	$ 11,820
Additional consideration due seller	379	693
Dow settlement liability	0	10,000
Accrued compensation and benefits	10,192	8,932
Accrued rebates payable	3,616	5,027
Insurance premium financing payable	721	639
Severance	971	113
Deferred revenue	1,280	100
Other Notes Payable	0	5,056
Accrued taxes	5,316	7,848
Accrued Interest	0	6,321
Other	11,767	9,260
Total accrued and other current liabilities	$ 45,340	$ 65,809