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Earnings Per Share (Schedule of Calculation of Numerator and Denominator in Earnings Per Share) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ 4,361,000	$ (7,945,000)
Preferred stock dividends	(3,607,000)	(3,531,000)
Preferred stock redemption costs	(1,166,000)
Net loss attributable to noncontrolling interests	7,000	180,000
Net earnings allocated to unvested shares	(173,000)	(153,000)
Loss from continuing operations attribtuable to common shareholders	(578,000)	(11,449,000)
Results from discontinued operations, net of noncontrolling interests	(507,000)	1,956,000
Net loss attributable to common shareholders, basic and diluted	$ (1,085,000)	$ (9,493,000)
Weighted average number of vested common shares outstanding	68,339,000	67,535,000
Continuing operations	$ (0.01)	$ (0.17)
Discontinued operations	$ (0.01)	$ 0.03
Earnings (loss) per common share, basic and fully diluted	$ (0.02)	$ (0.14)

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Income Loss From Continuing Operations Basic And Diluted

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Income Loss From Discontinued Operations Net Of Noncontrolling Interests

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Net Income Loss Available To Common Stockholders Basic And Diluted

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of income (loss) from continuing operations attributable to the noncontrolling interest. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest.

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The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

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The amount of income (loss) derived from discontinued operations during the period, net of related tax effect, per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

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The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

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The excess of (1) fair value of the consideration transferred to the holders of the preferred stock over (2) the carrying amount of the preferred stock in the registrant's balance sheet, during the accounting period.

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Earnings allocated (not distributed) to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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