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Earnings Per Share | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Earnings Per Share And Earnings Per Unit [Text Block] |
10. | Earnings Per Share and Earnings Per Unit
Equity Residential The following tables set forth the computation of net income per share – basic and net income per share – diluted for the Company (amounts in thousands except per share amounts):
| Year Ended December 31,
| 2014 |  | 2013 |  | 2012
Numerator for net income per share – basic: |  |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 657,101 |  |  | $ | (168,174 | ) |  | $ | 160,298 |
Allocation to Noncontrolling Interests – Operating Partnership, net | (24,771 | ) |  | 6,834 |  |  | (6,417 | )
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties | (2,544 | ) |  | 538 |  |  | (844 | )
Preferred distributions | (4,145 | ) |  | (4,145 | ) |  | (10,355 | )
Premium on redemption of Preferred Shares | — |  |  | — |  |  | (5,152 | )
Income (loss) from continuing operations available to Common Shares, net of Noncontrolling Interests | 625,641 |  |  | (164,947 | ) |  | 137,530 |
Discontinued operations, net of Noncontrolling Interests | 1,522 |  |  | 1,991,415 |  |  | 688,682 |
Numerator for net income per share – basic | $ | 627,163 |  |  | $ | 1,826,468 |  |  | $ | 826,212 |
Numerator for net income per share – diluted (1): |  |  |  |  |
Income from continuing operations | $ | 657,101 |  |  |  |  | $ | 160,298 |
Net (income) attributable to Noncontrolling Interests – Partially Owned Properties | (2,544 | ) |  |  |  | (844 | )
Preferred distributions | (4,145 | ) |  |  |  | (10,355 | )
Premium on redemption of Preferred Shares | — |  |  |  |  | (5,152 | )
Income from continuing operations available to Common Shares | 650,412 |  |  |  |  | 143,947 |
Discontinued operations, net | 1,582 |  |  |  |  | 720,906 |
Numerator for net income per share – diluted (1) | $ | 651,994 |  |  | $ | 1,826,468 |  |  | $ | 864,853 |
Denominator for net income per share – basic and diluted (1): |  |  |  |  |
Denominator for net income per share – basic | 361,181 |  |  | 354,305 |  |  | 302,701 |
Effect of dilutive securities: |  |  |  |  |
OP Units | 13,718 |  |  |  |  | 13,853 |
Long-term compensation shares/units | 2,836 |  |  |  |  | 3,212 |
Denominator for net income per share – diluted (1) | 377,735 |  |  | 354,305 |  |  | 319,766 |
Net income per share – basic | $ | 1.74 |  |  | $ | 5.16 |  |  | $ | 2.73 |
Net income per share – diluted | $ | 1.73 |  |  | $ | 5.16 |  |  | $ | 2.70 |
Net income per share – basic: |  |  |  |  |  |  |  |
Income (loss) from continuing operations available to Common Shares, net of Noncontrolling Interests | $ | 1.732 |  |  | $ | (0.466 | ) |  | $ | 0.454 |
Discontinued operations, net of Noncontrolling Interests | 0.004 |  |  | 5.621 |  |  | 2.275 |
Net income per share – basic | $ | 1.736 |  |  | $ | 5.155 |  |  | $ | 2.729 |
Net income per share – diluted (1): |  |  |  |  |  |  |  |
Income (loss) from continuing operations available to Common Shares | $ | 1.722 |  |  | $ | (0.466 | ) |  | $ | 0.450 |
Discontinued operations, net | 0.004 |  |  | 5.621 |  |  | 2.255 |
Net income per share – diluted | $ | 1.726 |  |  | $ | 5.155 |  |  | $ | 2.705 |
(1) | Potential common shares issuable from the assumed conversion of OP Units and the exercise/vesting of long-term compensation shares/units are automatically anti-dilutive and therefore excluded from the diluted earnings per share calculation as the Company had a loss from continuing operations for the year ended December 31, 2013.
For additional disclosures regarding the employee share options and restricted shares, see Notes 2 and 12. ERP Operating Limited Partnership The following tables set forth the computation of net income per Unit – basic and net income per Unit – diluted for the Operating Partnership (amounts in thousands except per Unit amounts):
| Year Ended December 31,
| 2014 |  | 2013 |  | 2012
Numerator for net income per Unit – basic and diluted (1): |  |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 657,101 |  |  | $ | (168,174 | ) |  | $ | 160,298 |
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties | (2,544 | ) |  | 538 |  |  | (844 | )
Allocation to Preference Units | (4,145 | ) |  | (4,145 | ) |  | (10,355 | )
Allocation to premium on redemption of Preference Units | — |  |  | — |  |  | (5,152 | )
Income (loss) from continuing operations available to Units | 650,412 |  |  | (171,781 | ) |  | 143,947 |
Discontinued operations, net | 1,582 |  |  | 2,073,527 |  |  | 720,906 |
Numerator for net income per Unit – basic and diluted (1) | $ | 651,994 |  |  | $ | 1,901,746 |  |  | $ | 864,853 |
Denominator for net income per Unit – basic and diluted (1): |  |  |  |  |
Denominator for net income per Unit – basic | 374,899 |  |  | 368,038 |  |  | 316,554 |
Effect of dilutive securities: |  |  |  |  |
Dilution for Units issuable upon assumed exercise/vesting of the Company's long-term compensation shares/units | 2,836 |  |  |  |  |  | 3,212 |
Denominator for net income per Unit – diluted (1) | 377,735 |  |  | 368,038 |  |  | 319,766 |
Net income per Unit – basic | $ | 1.74 |  |  | $ | 5.16 |  |  | $ | 2.73 |
Net income per Unit – diluted | $ | 1.73 |  |  | $ | 5.16 |  |  | $ | 2.70 |
Net income per Unit – basic: |  |  |  |  |  |  |  |
Income (loss) from continuing operations available to Units | $ | 1.732 |  |  | $ | (0.466 | ) |  | $ | 0.454 |
Discontinued operations, net | 0.004 |  |  | 5.621 |  |  | 2.275 |
Net income per Unit – basic | $ | 1.736 |  |  | $ | 5.155 |  |  | $ | 2.729 |
Net income per Unit – diluted (1): |  |  |  |  |  |  |  |
Income (loss) from continuing operations available to Units | $ | 1.722 |  |  | $ | (0.466 | ) |  | $ | 0.450 |
Discontinued operations, net | 0.004 |  |  | 5.621 |  |  | 2.255 |
Net income per Unit – diluted | $ | 1.726 |  |  | $ | 5.155 |  |  | $ | 2.705 |
(1) | Potential Units issuable from the assumed exercise/vesting of the Company's long-term compensation shares/units are automatically anti-dilutive and therefore excluded from the diluted earnings per Unit calculation as the Operating Partnership had a loss from continuing operations for the year ended December 31, 2013.
For additional disclosures regarding the employee share options and restricted shares, see Notes 2 and 12.

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