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Net Income Per Common Share | 9 Months Ended
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Sep. 30, 2016
Net Income Per Common Share |
Net Income Per Common Share | 15.Net Income per Common Share Basic net income per common share is computed by dividing net income available to common stockholders by the weighted average number of common shares outstanding during each period. Diluted net income per common share is computed by dividing net income available to common stockholders, plus income attributable to dilutive shares and convertible common units, for the period by the weighted average number of common shares that would have been outstanding assuming the issuance of common shares for all potentially dilutive common shares outstanding during the reporting period. The following is a reconciliation of the denominator of the basic net income per common share computation to the denominator of the diluted net income per common share computation.
|  | Three months ended |  | Nine months ended
|  | September 30, |  | September 30,
|  | 2016 |  | 2015 |  | 2016 |  | 2015
Weighted average shares used for the basic net income per share computation |  | 258,085,633 |  | 236,211,706 |  | 253,953,149 |  | 231,434,521
Incremental shares from share-based compensation |  | 271,259 |  | 211,214 |  | 270,152 |  | 111,224
Weighted average partnership common units convertible to common shares that were dilutive |  | 317,022 |  | 317,022 |  | 317,022 |  | 317,022
Weighted average shares used for diluted net income per share computation |  | 258,673,914 |  | 236,739,942 |  | 254,540,323 |  | 231,862,767
Unvested shares from share-based compensation that were anti-dilutive |  | 224 |  | 132,948 |  | 231 |  | 107,879
Weighted average partnership common units convertible to common shares that were anti-dilutive |  | 97,312 |  | 419,546 |  | 235,446 |  | 426,469

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