CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Common stock, par value per share (in usd per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized (in shares) | 750,000,000 | 750,000,000 |
| Common stock, shares issued (in shares) | 42,206,258 | 41,337,692 |
| Common stock, shares outstanding (in shares) | 42,197,647 | 41,337,692 |
| Treasury stock, (in shares) | 8,611 | 0 |