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Earnings Per Share | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Earnings Per Share |
8. | EARNINGS PER SHARE
The following table sets forth the numerator and denominator used in the computation of earnings per share:
|  | Three Months Ended March 31, |
|  | 2016 |  |  | 2015 |
Numerator: |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (7,608 | ) |  | $ | (9,271 | )
Denominator: |  |  |  |  |  |  |  |
Number of shares outstanding, end of period: |  |  |  |  |  |  |  |
Class A common stock |  |  | 40,243 |  |  |  | 39,588 |
Class B common stock |  |  | 988 |  |  |  | 988 |
Unvested restricted stock |  |  | (115 | ) |  |  | (159 | )
Effect of weighted average shares outstanding |  |  | (120 | ) |  |  | — |
Weighted average common shares outstanding |  |  | 40,996 |  |  |  | 40,417 |
Antidilutive potentially issuable shares |  |  | 2,445 |  |  |  | 2,705 |

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