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v3.19.1

Organization, Basis of Presentation and Significant Accounting Policies (Details 2) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Basic and diluted shares outstanding |  |
Weighted average common shares - basic (in shares) | 138,331,248 | 137,764,468
Weighted average DownREIT units outstanding (in shares) | 7,500 | 7,500
Effect of dilutive securities (in shares) | 493,453 | 381,202
Weighted average common shares - diluted (in shares) | 138,832,201 | 138,153,170
Calculation of Earnings per Share - basic |  |
Net income attributable to common stockholders | $ 170,366 | $ 141,643
Net income allocated to unvested restricted shares | (501) | (430)
Net income attributable to common stockholders, adjusted | $ 169,865 | $ 141,213
Weighted average common shares - basic (in shares) | 138,331,248 | 137,764,468
Earnings per common share - basic (in dollars per share) | $ 1.23 | $ 1.03
Calculation of Earnings per Share - diluted |  |
Net income attributable to common stockholders | $ 170,366 | $ 141,643
Add: noncontrolling interests of DownREIT unitholders in consolidated partnerships | 11 | 11
Adjusted net income attributable to common stockholders | $ 170,377 | $ 141,654
Weighted average common shares - diluted (in shares) | 138,832,201 | 138,153,170
Earnings per common share - diluted (in dollars per share) | $ 1.23 | $ 1.03

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