Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Earnings Per Share [Abstract] | ||
| Net income (loss) attributable to Class A Common Stock | $ (8,112) | $ 66,090 |
| Add: Income from conversion of Class C Common Stock | 0 | 0 |
| Adjusted net income (loss) attributable to Class A Common Stock | $ (8,112) | $ 66,090 |
| Basic net earnings (loss) per share of Class A Common Stock (USD per share) | $ (0.03) | $ 0.25 |
| Diluted net earnings (loss) per share of Class A Common Stock (USD per share) | $ (0.03) | $ 0.25 |
| Basic weighted average shares of Class A Common Stock outstanding (in shares) | 264,365 | 261,324 |
| Add: Dilutive effect of potential common shares (in shares) | 0 | 3,859 |
| Diluted weighted average shares of Class A Common Stock outstanding (in shares) | 264,365 | 265,183 |