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Net Income per Common Share
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Net Income per Common Share Net Income per Common ShareBasic 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 September 30,Nine months ended September 30,
2021202020212020
Weighted average shares used for the basic net income per share computation
391,913,478 346,476,217 379,291,782 342,214,164 
Incremental shares from share-based compensation136,923 273,257 117,645 269,054 
Weighted average shares used for diluted net income per share computation
392,050,401 346,749,474 379,409,427 342,483,218 
Unvested shares from share based compensation that were anti-dilutive
91,221 59,042 119,981 57,192 
Weighted average partnership common units convertible to common shares that were anti-dilutive
463,119 463,119 463,119 463,119