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Organization, Basis of Presentation and Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2015
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
| 3/31/2015 |  | 3/31/2014
Basic and diluted shares outstanding |  |  |  |  |
Weighted average common shares - basic | 131,883,741 |  |  | 129,288,771 |
Weighted average DownREIT units outstanding | 7,500 |  |  | 7,500 |
Effect of dilutive securities | 1,284,532 |  |  | 333,286 |
Weighted average common shares - diluted | 133,175,773 |  |  | 129,629,557 |
Calculation of Earnings per Share - basic |  |  |  |  |
Net income attributable to common stockholders | $ | 208,144 |  |  | $ | 141,739 |
Net income allocated to unvested restricted shares | (529 | ) |  | (232 | )
Net income attributable to common stockholders, adjusted | $ | 207,615 |  |  | $ | 141,507 |
Weighted average common shares - basic | 131,883,741 |  |  | 129,288,771 |
Earnings per common share - basic | $ | 1.57 |  |  | $ | 1.09 |
Calculation of Earnings per Share - diluted |  |  |  |  |
Net income attributable to common stockholders | $ | 208,144 |  |  | $ | 141,739 |
Add: noncontrolling interests of DownREIT unitholders in consolidated partnerships, including discontinued operations | 9 |  |  | 9 |
Adjusted net income available to common stockholders | $ | 208,153 |  |  | $ | 141,748 |
Weighted average common shares - diluted | 133,175,773 |  |  | 129,629,557 |
Earnings per common share - diluted | $ | 1.56 |  |  | $ | 1.09 |

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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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