CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - $ / shares |
Jun. 30, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Preferred stock, par value (USD per share) | $ 0.0001 | $ 0.0001 |
| Preferred stock, shares authorized (shares) | 1,000,000 | 1,000,000 |
| Common stock, par value (USD per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized (shares) | 620,000,000 | 620,000,000 |
| Series A Preferred Stock | ||
| Preferred stock, shares issued (shares) | 1 | 1 |
| Preferred stock, shares outstanding (shares) | 1 | 1 |
| Common Stock Class A | ||
| Common stock, shares issued (shares) | 264,888,085 | 261,337,636 |
| Common stock, shares outstanding (shares) | 263,775,433 | 260,327,920 |
| Common Stock Class C | ||
| Common stock, shares issued (shares) | 12,313,691 | 15,661,338 |
| Common stock, shares outstanding (shares) | 12,313,691 | 15,661,338 |