Quarterly report pursuant to Section 13 or 15(d)

Acquisition - Pro Forma Disclosure (Details)

v3.8.0.1
Acquisition - Pro Forma Disclosure (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
$ / shares
Business Combinations [Abstract]  
Pro forma sales $ 341,399
Pro forma net loss (1,796)
Pro forma net loss attributable to PQ Group Holdings Inc. $ (1,935)
Pro forma basic and diluted net loss per share (usd per share) | $ / shares $ (0.02)