Equity - Summary of Restricted Stock Units (Details) - Unvested restricted stock units |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
$ / shares
shares
| |
| Number of Shares | |
| Beginning balance (in shares) | shares | 811,965 |
| Granted (in shares) | shares | 581,777 |
| Vested (in shares) | shares | (309,024) |
| Forfeited (in shares) | shares | (112,904) |
| Ending balance (in shares) | shares | 971,814 |
| Weighted Average Grant Date Fair Value | |
| Beginning balance (in dollars per share) | $ / shares | $ 32.30 |
| Granted (in dollars per share) | $ / shares | 29.69 |
| Vested (in dollars per share) | $ / shares | 30.73 |
| Forfeited (in dollars per share) | $ / shares | 33.23 |
| Ending balance (in dollars per share) | $ / shares | $ 31.14 |