Annual report pursuant to Section 13 and 15(d)

Acquisitions - Pro Forma (Details)

v3.7.0.1
Acquisitions - Pro Forma (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Business Combinations [Abstract]      
Revenues $ 2,049,658 $ 1,406,580 $ 1,282,361
Net income (loss) attributable to the Company's common stockholders $ 43,453 $ (157,524) $ 83,612
Basic net income (loss) per share attributable to common stockholders (in dollars per share) $ 1.06 $ (3.54) $ 2.03