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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | For the year ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Computation of Basic Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 261,683 |  |  | $ | 210,073 |  |  | $ | 141,416 |
Gain on sale of operating properties, net of tax |  |  | 1,432 |  |  |  | 4,299 |  |  |  | 108 |
Net income attributable to noncontrolling interests |  |  | (5,072 | ) |  |  | (14,202 | ) |  |  | (13,039 | )
Discontinued operations attributable to noncontrolling interests |  |  | (8,301 | ) |  |  | 3,133 |  |  |  | 2,799 |
Preferred stock redemption costs |  |  | - |  |  |  | (21,703 | ) |  |  | - |
Preferred stock dividends |  |  | (58,294 | ) |  |  | (71,697 | ) |  |  | (59,363 | )
Income from continuing operations available to the common Shareholders |  |  | 191,448 |  |  |  | 109,903 |  |  |  | 71,921 |
Earnings attributable to unvested restricted shares |  |  | (1,360 | ) |  |  | (1,221 | ) |  |  | (608 | )
Income from continuing operations attributable to common Shareholders |  |  | 190,088 |  |  |  | 108,682 |  |  |  | 71,313 |
(Loss)/income from discontinued operations attributable to the Company |  |  | (13,461 | ) |  |  | 62,770 |  |  |  | 37,767 |
Net income attributable to the Company’s common shareholders for basic earnings per share |  | $ | 176,627 |  |  | $ | 171,452 |  |  | $ | 109,080 |
Weighted average common shares outstanding |  |  | 407,631 |  |  |  | 405,997 |  |  |  | 406,530 |
Basic Earnings Per Share Attributable to the Company’s Common Shareholders: |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.47 |  |  | $ | 0.27 |  |  | $ | 0.18 |
(Loss)/income from discontinued operations |  |  | (0.04 | ) |  |  | 0.15 |  |  |  | 0.09 |
Net income |  | $ | 0.43 |  |  | $ | 0.42 |  |  | $ | 0.27 |
Computation of Diluted Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations attributable to common shareholders |  | $ | 190,088 |  |  | $ | 108,682 |  |  | $ | 71,313 |
(Loss)/income from discontinued operations attributable to the Company |  |  | (13,461 | ) |  |  | 62,770 |  |  |  | 37,767 |
Net income attributable to the Company’s common shareholders for diluted earnings per share |  | $ | 176,627 |  |  | $ | 171,452 |  |  | $ | 109,080 |
Weighted average common shares outstanding – basic |  |  | 407,631 |  |  |  | 405,997 |  |  |  | 406,530 |
Effect of dilutive securities(a): |  |  |  |  |  |  |  |  |  |  |  |
Equity awards |  |  | 983 |  |  |  | 692 |  |  |  | 1,139 |
Shares for diluted earnings per common share |  |  | 408,614 |  |  |  | 406,689 |  |  |  | 407,669 |
Diluted Earnings Per Share Attributable to the Company’s Common Shareholders: |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.47 |  |  | $ | 0.27 |  |  | $ | 0.18 |
(Loss)/income from discontinued operations |  |  | (0.04 | ) |  |  | 0.15 |  |  |  | 0.09 |
Net income |  | $ | 0.43 |  |  | $ | 0.42 |  |  | $ | 0.27 |

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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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