Annual report pursuant to Section 13 and 15(d)

Business Combination - Proforma Disclosure (Details)

v3.10.0.1
Business Combination - Proforma Disclosure (Details) - PQ Holdings, Eco Services
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Business Acquisition  
Pro forma sales $ 1,403,041
Pro forma net loss $ (76,994)