Equity Compensation (Restricted Stock Units) (Details) - Restricted stock units |
9 Months Ended |
|---|---|
|
Sep. 30, 2017
$ / shares
shares
| |
| Restricted stock units | |
| Non-vested balance at beginning of period (in shares) | 1,396,387 |
| Awarded | 782,310 |
| Vested | (746,819) |
| Forfeited | (57,917) |
| Non-vested balance at end of period (in shares) | 1,373,961 |
| Weighted Average Grant Date Fair Value | |
| Non-vested balance at beginning of period (in dollars per share) | $ / shares | $ 7.60 |
| Awarded (in dollars per share) | $ / shares | 11.26 |
| Vested (in dollars per share) | $ / shares | 7.65 |
| Forfeited (in dollars per share) | $ / shares | 8.66 |
| Non-vested balance at end of period (in dollars per share) | $ / shares | $ 9.61 |
| Shares withheld for tax purposes (in shares) | 255,838 |
| Issuance of shares net of shares withheld (in shares) | 490,981 |