CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Preferred stock, shares authorized (in shares) | 1,000,000 | 1,000,000 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized (in shares) | 620,000,000 | 620,000,000 |
| Series A Preferred Stock | ||
| Preferred stock, shares issued (in shares) | 1 | 1 |
| Preferred stock, shares outstanding (in shares) | 1 | 1 |
| Common Class A | ||
| Common stock, shares issued (in shares) | 265,859,273 | 261,337,636 |
| Common stock, shares outstanding (in shares) | 264,323,328 | 260,327,920 |
| Class C | ||
| Common stock, shares issued (in shares) | 12,003,183 | 15,661,338 |
| Common stock, shares outstanding (in shares) | 12,003,183 | 15,661,338 |