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 |