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Earning Per Share and Earnings Per Unit | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Earning Per Share And Earnings Per Unit |
10. | Earning 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):
|  | Quarter Ended March 31, |
|  | 2018 |  |  | 2017 |
Numerator for net income per share – basic: |  |  |  |  |  |  |  |
Net income |  | $ | 220,548 |  |  | $ | 149,941 |
Allocation to Noncontrolling Interests – Operating Partnership |  |  | (8,059 | ) |  |  | (5,411 | )
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties |  |  | (680 | ) |  |  | (788 | )
Preferred distributions |  |  | (773 | ) |  |  | (773 | )
Numerator for net income per share – basic |  | $ | 211,036 |  |  | $ | 142,969 |
Numerator for net income per share – diluted: |  |  |  |  |  |  |  |
Net income |  | $ | 220,548 |  |  | $ | 149,941 |
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties |  |  | (680 | ) |  |  | (788 | )
Preferred distributions |  |  | (773 | ) |  |  | (773 | )
Numerator for net income per share – diluted |  | $ | 219,095 |  |  | $ | 148,380 |
Denominator for net income per share – basic and diluted: |  |  |  |  |  |  |  |
Denominator for net income per share – basic |  |  | 367,800 |  |  |  | 366,605 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
OP Units |  |  | 12,863 |  |  |  | 12,899 |
Long-term compensation shares/units |  |  | 2,355 |  |  |  | 2,776 |
Denominator for net income per share – diluted |  |  | 383,018 |  |  |  | 382,280 |
Net income per share – basic |  | $ | 0.57 |  |  | $ | 0.39 |
Net income per share – diluted |  | $ | 0.57 |  |  | $ | 0.39 |
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):
|  | Quarter Ended March 31, |
|  | 2018 |  |  | 2017 |
Numerator for net income per Unit – basic and diluted: |  |  |  |  |  |  |  |
Net income |  | $ | 220,548 |  |  | $ | 149,941 |
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties |  |  | (680 | ) |  |  | (788 | )
Allocation to Preference Units |  |  | (773 | ) |  |  | (773 | )
Numerator for net income per Unit – basic and diluted |  | $ | 219,095 |  |  | $ | 148,380 |
Denominator for net income per Unit – basic and diluted: |  |  |  |  |  |  |  |
Denominator for net income per Unit – basic |  |  | 380,663 |  |  |  | 379,504 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Dilution for Units issuable upon assumed exercise/vesting of the Company’s long-term compensation shares/units |  |  | 2,355 |  |  |  | 2,776 |
Denominator for net income per Unit – diluted |  |  | 383,018 |  |  |  | 382,280 |
Net income per Unit – basic |  | $ | 0.57 |  |  | $ | 0.39 |
Net income per Unit – diluted |  | $ | 0.57 |  |  | $ | 0.39 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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