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Organization, Basis of Presentation and Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2017
Accounting Policies [Abstract] |
Schedule of earnings per common share | The Company's earnings per common share are determined as follows (dollars in thousands, except per share data):
| For the three months ended
| 3/31/2017 |  | 3/31/2016
Basic and diluted shares outstanding |  |  |  |  |
Weighted average common shares - basic | 137,068,874 |  |  | 136,785,880 |
Weighted average DownREIT units outstanding | 7,500 |  |  | 7,500 |
Effect of dilutive securities | 454,868 |  |  | 589,664 |
Weighted average common shares - diluted | 137,531,242 |  |  | 137,383,044 |
Calculation of Earnings per Share - basic |  |  |  |  |
Net income attributable to common stockholders | $ | 235,875 |  |  | $ | 237,931 |
Net income allocated to unvested restricted shares | (652 | ) |  | (632 | )
Net income attributable to common stockholders, adjusted | $ | 235,223 |  |  | $ | 237,299 |
Weighted average common shares - basic | 137,068,874 |  |  | 136,785,880 |
Earnings per common share - basic | $ | 1.72 |  |  | $ | 1.73 |
Calculation of Earnings per Share - diluted |  |  |  |  |
Net income attributable to common stockholders | $ | 235,875 |  |  | $ | 237,931 |
Add: noncontrolling interests of DownREIT unitholders in consolidated partnerships | 11 |  |  | 10 |
Adjusted net income attributable to common stockholders | $ | 235,886 |  |  | $ | 237,941 |
Weighted average common shares - diluted | 137,531,242 |  |  | 137,383,044 |
Earnings per common share - diluted | $ | 1.72 |  |  | $ | 1.73 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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