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Earnings per Share (EPS): (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Numerator |  |
Income from continuing operations | $ 46,673 | $ 5,179
Loss from discontinued operations | (58,396) | (5,088)
Income attributable to noncontrolling interests | (2,345) | (57)
Net (loss) income attributable to the Company | (14,068) | 34
Allocation of earnings to participating securities | (317) | (542)
Numerator for basic earnings per share-net loss available to common stockholders | (14,385) | (508)
Numerator for diluted earnings per share-income loss available to common stockholders | $ (14,385) | $ (508)
Denominator |  |
Denominator for basic earnings per share - weighted average number of common shares outstanding | 132,273 | 130,574
Denominator for diluted earnings per share - weighted average number of common shares outstanding (in shares) | 132,273 | 130,574
Earnings per common share-basic: |  |
Income from continuing operations (in dollars per share) | $ 0.30 | $ 0.04
Discontinued operations (in dollars per share) | $ (0.41) | $ (0.04)
Net (loss) income available to common stockholders (in dollars per share) | $ (0.11) |
Earnings per common share-diluted: |  |
Income from continuing operations (in dollars per share) | $ 0.30 | $ 0.04
Discontinued operations (in dollars per share) | $ (0.41) | $ (0.04)
Net (loss) income available to common stockholders (in dollars per share) | $ (0.11) |

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