Quarterly report pursuant to Section 13 or 15(d)

Business Combination - Narratives (Details)

v3.8.0.1
Business Combination - Narratives (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
May 04, 2016
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Business Acquisition [Line Items]          
Equity consideration for the business combination       $ 0 $ 910,800
Acquisition costs   $ 966 $ 1,635 5,295 6,063
Net income (loss)   $ (3,016) (9,606) $ (7,001) (89,685)
Debt Repayment Penalty          
Business Acquisition [Line Items]          
Net income (loss)         (26,250)
Refinancing Charges          
Business Acquisition [Line Items]          
Net income (loss)         (4,616)
Transaction Fees          
Business Acquisition [Line Items]          
Net income (loss)         (714)
PQ Holdings, Eco Services          
Business Acquisition [Line Items]          
Payments to acquire business $ 1,777,740        
Equity consideration for the business combination 910,800        
Stock awards transfered as consideration 1,401        
Net sales attributable to acquiree     276,726   462,097
Net income (loss) from acquiree     (29,070)   (122,497)
Acquisition costs     896   1,398
Increase to inventory at acquisition $ 58,683        
Cost of goods sold, additional portion related to step-up inventory price     $ 5,804   $ 23,518