Earnings Per Share (Details) (USD $) In Thousands, except Share data	3 Months Ended	6 Months Ended	3 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2011 Series C Preferred Stock [Member] Convertible Preferred Stock [Member]
Earnings Per Share [Line Items]
Loss from continuing operations attributable to common shareholders	$ (45,769)	$ (17,864)	$ (45,242)	$ (28,348)
Loss from discontinued operations attributable to common shareholders	(4,770)	(12,515)	(28,935)	(35,079)
Net loss attributable to common shareholders	(50,539)	(30,379)	(74,177)	(63,427)
Weighted-average common shares outstanding–basic and diluted	151,526,956	133,141,084	148,866,015	127,339,144
Loss per common share:
Loss from continuing operations	$ (0.30)	$ (0.14)	$ (0.31)	$ (0.22)
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic and Diluted Share	$ (0.03)	$ (0.09)	$ (0.19)	$ (0.28)
Net loss attributable to common shareholders	$ (0.33)	$ (0.23)	$ (0.50)	$ (0.50)
Series C Cumulateive Convertible Preferred Shares Repurchsed and Retired					15,296
Discount to Historical Cost Basis, Repurchased and Retired Shares					$ 86

Earnings Per Share [Line Items]

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This element represents the income or loss from continuing operations attributable to common shareholders which may also be defined as revenue less expenses and taxes from ongoing operations after extraordinary items, and after the allocation to noncontrolling interests, preferred shares and participating securities.

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This element represents the overall income (loss) from a disposal group that is attributable to common shareholders, net of income tax, reported as a separate component of income after extraordinary items after deduction or consideration of the amount which may be allocable to noncontrolling interests and participating securities, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Weighted Average Number Of Shares Outstanding Basic And Diluted1

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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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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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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 9
-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.

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Discount on preferred shares, or any unamortized balance thereof, shown separately as a deduction from the applicable account(s) as circumstances require.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Article 7

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Number of shares that have been repurchased and retired during the period.

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