| Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] |
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): | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, | | Quarter Ended June 30, | | | 2016 | | 2015 | | 2016 | | 2015 | Numerator for net income per share – basic: | | | | | | | | | Income from continuing operations | | $ | 3,960,353 |
| | $ | 488,573 |
| | $ | 228,365 |
| | $ | 298,504 |
| Allocation to Noncontrolling Interests – Operating Partnership, net | | (152,093 | ) | | (18,403 | ) | | (8,779 | ) | | (11,350 | ) | Net (income) attributable to Noncontrolling Interests – Partially Owned Properties | | (1,545 | ) | | (1,487 | ) | | (781 | ) | | (844 | ) | Preferred distributions | | (1,545 | ) | | (1,724 | ) | | (772 | ) | | (833 | ) | Premium on redemption of Preferred Shares | | — |
| | (2,789 | ) | | — |
| | — |
| Income from continuing operations available to Common Shares, net of
Noncontrolling Interests | | 3,805,170 |
| | 464,170 |
| | 218,033 |
| | 285,477 |
| Discontinued operations, net of Noncontrolling Interests | | (118 | ) | | 259 |
| | 34 |
| | 110 |
| Numerator for net income per share – basic | | $ | 3,805,052 |
| | $ | 464,429 |
| | $ | 218,067 |
| | $ | 285,587 |
| Numerator for net income per share – diluted: | | | | | | | | | Income from continuing operations | | $ | 3,960,353 |
| | $ | 488,573 |
| | $ | 228,365 |
| | $ | 298,504 |
| Net (income) attributable to Noncontrolling Interests – Partially Owned Properties | | (1,545 | ) | | (1,487 | ) | | (781 | ) | | (844 | ) | Preferred distributions | | (1,545 | ) | | (1,724 | ) | | (772 | ) | | (833 | ) | Premium on redemption of Preferred Shares | | — |
| | (2,789 | ) | | — |
| | — |
| Income from continuing operations available to Common Shares | | 3,957,263 |
| | 482,573 |
| | 226,812 |
| | 296,827 |
| Discontinued operations, net | | (122 | ) | | 269 |
| | 35 |
| | 114 |
| Numerator for net income per share – diluted | | $ | 3,957,141 |
| | $ | 482,842 |
| | $ | 226,847 |
| | $ | 296,941 |
| Denominator for net income per share – basic and diluted: | | | | | | | | | Denominator for net income per share – basic | | 364,820 |
| | 363,288 |
| | 365,047 |
| | 363,476 |
| Effect of dilutive securities: | | | | | | | | | OP Units | | 13,792 |
| | 13,592 |
| | 13,887 |
| | 13,587 |
| Long-term compensation shares/units | | 3,400 |
| | 3,466 |
| | 3,131 |
| | 3,428 |
| Denominator for net income per share – diluted | | 382,012 |
| | 380,346 |
| | 382,065 |
| | 380,491 |
| Net income per share – basic | | $ | 10.43 |
| | $ | 1.28 |
| | $ | 0.60 |
| | $ | 0.79 |
| Net income per share – diluted | | $ | 10.36 |
| | $ | 1.27 |
| | $ | 0.59 |
| | $ | 0.78 |
| Net income per share – basic: | | | | | | | | | Income from continuing operations available to Common Shares, net of
Noncontrolling Interests | | $ | 10.43 |
| | $ | 1.28 |
| | $ | 0.60 |
| | $ | 0.79 |
| Discontinued operations, net of Noncontrolling Interests | | — |
| | — |
| | — |
| | — |
| Net income per share – basic | | $ | 10.43 |
| | $ | 1.28 |
| | $ | 0.60 |
| | $ | 0.79 |
| Net income per share – diluted: | | | | | | | | | Income from continuing operations available to Common Shares | | $ | 10.36 |
| | $ | 1.27 |
| | $ | 0.59 |
| | $ | 0.78 |
| Discontinued operations, net | | — |
| | — |
| | — |
| | — |
| Net income per share – diluted | | $ | 10.36 |
| | $ | 1.27 |
| | $ | 0.59 |
| | $ | 0.78 |
|
|
| Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] |
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):
| | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, | | Quarter Ended June 30, | | | 2016 | | 2015 | | 2016 | | 2015 | Numerator for net income per Unit – basic and diluted: | | | | | | | | | Income from continuing operations | | $ | 3,960,353 |
| | $ | 488,573 |
| | $ | 228,365 |
| | $ | 298,504 |
| Net (income) attributable to Noncontrolling Interests – Partially Owned Properties | | (1,545 | ) | | (1,487 | ) | | (781 | ) | | (844 | ) | Allocation to Preference Units | | (1,545 | ) | | (1,724 | ) | | (772 | ) | | (833 | ) | Allocation to premium on redemption of Preference Units | | — |
| | (2,789 | ) | | — |
| | — |
| Income from continuing operations available to Units | | 3,957,263 |
| | 482,573 |
| | 226,812 |
| | 296,827 |
| Discontinued operations, net | | (122 | ) | | 269 |
| | 35 |
| | 114 |
| Numerator for net income per Unit – basic and diluted | | $ | 3,957,141 |
| | $ | 482,842 |
| | $ | 226,847 |
| | $ | 296,941 |
| Denominator for net income per Unit – basic and diluted: | | | | | | | | | Denominator for net income per Unit – basic | | 378,612 |
| | 376,880 |
| | 378,934 |
| | 377,063 |
| Effect of dilutive securities: | | | | | | | | | Dilution for Units issuable upon assumed exercise/vesting of the Company’s
long-term compensation shares/units | | 3,400 |
| | 3,466 |
| | 3,131 |
| | 3,428 |
| Denominator for net income per Unit – diluted | | 382,012 |
| | 380,346 |
| | 382,065 |
| | 380,491 |
| Net income per Unit – basic | | $ | 10.43 |
| | $ | 1.28 |
| | $ | 0.60 |
| | $ | 0.79 |
| Net income per Unit – diluted | | $ | 10.36 |
| | $ | 1.27 |
| | $ | 0.59 |
| | $ | 0.78 |
| Net income per Unit – basic: | | | | | | | | | Income from continuing operations available to Units | | $ | 10.43 |
| | $ | 1.28 |
| | $ | 0.60 |
| | $ | 0.79 |
| Discontinued operations, net | | — |
| | — |
| | — |
| | — |
| Net income per Unit – basic | | $ | 10.43 |
| | $ | 1.28 |
| | $ | 0.60 |
| | $ | 0.79 |
| Net income per Unit – diluted: | | | | | | | | | Income from continuing operations available to Units | | $ | 10.36 |
| | $ | 1.27 |
| | $ | 0.59 |
| | $ | 0.78 |
| Discontinued operations, net | | — |
| | — |
| | — |
| | — |
| Net income per Unit – diluted | | $ | 10.36 |
| | $ | 1.27 |
| | $ | 0.59 |
| | $ | 0.78 |
|
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