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Note 1 - Interim Financial Statements (Tables) | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share [Text Block] |
|  | Three Months Ended March 31, |
|  | 2013 |  |  | 2012 |
Computation of Basic Earnings Per Share: |  |  |  |  |  |
Income from continuing operations |  | $ | 67,388 |  |  | $ | 54,596 |
Gain on sale of operating properties, net of tax |  |  | 540 |  |  |  | - |
Net income attributable to noncontrolling interests |  |  | (2,738 | ) |  |  | (5,510 | )
Discontinued operations attributable to noncontrolling interests |  |  | (12 | ) |  |  | 2,242 |
Preferred stock dividends |  |  | (14,573 | ) |  |  | (15,574 | )
Income from continuing operations available to the common shareholders |  |  | 50,605 |  |  |  | 35,754 |
Earnings attributable to unvested restricted shares |  |  | (390 | ) |  |  | (338 | )
Income from continuing operations attributable to common shareholders |  |  | 50,215 |  |  |  | 35,416 |
Income from discontinued operations attributable to the Company |  |  | 2,592 |  |  |  | 2,310 |
Net income attributable to the Company’s common shareholders for basic earnings per share |  | $ | 52,807 |  |  | $ | 37,726 |
Weighted average common shares outstanding |  |  | 406,662 |  |  |  | 406,272 |
Basic Earnings Per Share Attributable to the Company’s Common Shareholders: |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.12 |  |  | $ | 0.09 |
Income from discontinued operations |  |  | 0.01 |  |  |  | - |
Net income |  | $ | 0.13 |  |  | $ | 0.09 |
Computation of Diluted Earnings Per Share: |  |  |  |  |  |  |  |
Income from continuing operations attributable to common shareholders |  | $ | 50,215 |  |  | $ | 35,416 |
Income from discontinued operations attributable to the Company |  |  | 2,592 |  |  |  | 2,310 |
Net income attributable to the Company’s common shareholders for diluted earnings per share |  | $ | 52,807 |  |  | $ | 37,726 |
Weighted average common shares outstanding – basic |  |  | 406,662 |  |  |  | 406,272 |
Effect of dilutive securities (a): |  |  |  |  |  |  |  |
Equity awards |  |  | 1,004 |  |  |  | 1,007 |
Shares for diluted earnings per common share |  |  | 407,666 |  |  |  | 407,279 |
Diluted Earnings Per Share Attributable to the Company’s Common Shareholders: |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.12 |  |  | $ | 0.09 |
Income from discontinued operations |  |  | 0.01 |  |  |  | - |
Net income |  | $ | 0.13 |  |  | $ | 0.09 |

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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 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration