Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Pro Forma) (Details)

v3.8.0.1
Acquisitions (Pro Forma) (Details) - Vitruvian acquisition - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 7 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]          
Revenue $ 60,940   $ 137,706    
Pro forma revenue 265,498 $ 250,258   $ 958,354 $ 425,958
Pro forma net income (loss) $ 18,235 $ (200,005)   $ 300,052 $ (935,219)
Pro forma earnings (loss) per share (basic) (in usd per share) $ 0.10 $ (1.34)   $ 1.68 $ (6.47)
Pro forma earnings (loss) per share (diluted) (in usd per share) $ 0.10 $ (1.34)   $ 1.68 $ (6.47)