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Net Income per Share | 12 Months Ended
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Dec. 31, 2015
Net Income per Share [Abstract] |
Net Income per Share | (11) Net Income per Share We compute net income per share using the two-class method, which is an allocation formula that determines net income per share for common stock and participating securities, which for us are our outstanding RSUs. The following table sets forth the computation of net income per share for 2015 and 2014. The adjustments for 2013 were not significant (in thousands, except per share amounts):
|  |  | 2015 |  |  | 2014
Numerator: |  |  |  |  |  |
Net income |  | $ | 20,132 |  | $ | 10,219
Less earnings allocated to RSUs |  |  | (450) |  |  | (375)
Net income allocated to common shareholders |  | $ | 19,682 |  | $ | 9,844
Denominator: |  |  |  |  |  |
Weighted average number of common shares outstanding |  |  | 29,031 |  |  | 28,776
Net income per share: |  |  |  |  |  |
Basic and diluted |  | $ | 0.68 |  | $ | 0.34

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