Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share Attributable to Common Stockholders - Schedule of Earnings per Share, Basic and Diluted (Details)

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Net Loss Per Share Attributable to Common Stockholders - Schedule of Earnings per Share, Basic and Diluted (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]        
Basic 208,712,000 80,473,000 170,414,000 72,739,000
Diluted 208,712,000 80,473,000 170,414,000 72,739,000
Net loss per share attributable to common stockholders - basic and diluted $ (0.52) $ (0.67) $ (1.40) $ (1.94)
Stock Options [Member]
        
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]        
Dilutive common stock options 0 [1] 0 [1] 0 0
2008 Loans [Member]
        
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]        
Dilutive debt securities 0 [2] 0 [2] 0 0
Convertible Senior Unsecured Notes [Member]
        
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]        
Dilutive debt securities 0 [3] 0 [3] 0 0
[1] Stock options, phantom stock and unvested stock of 5.6 million shares and 3.1 million shares representing securities that could potentially dilute basic EPS in the future were not included in the diluted net loss per share computations for the three and nine months ended September 30, 2012, respectively, because they would have been anti-dilutive. Stock options, phantom stock and unvested stock of 8.2 million and 7.6 million shares representing securities that could potentially dilute basic EPS in the future were not included in the diluted net loss per share computations for the three and nine months ended September 30, 2011, respectively, because they would have been anti-dilutive.
[2] Common shares of 1.7 million issuable upon exchange of the 2008 Loans for each of the three and nine months ended September 30, 2011 were not included in the diluted computation because the computation of diluted net loss per share attributable to common stockholders utilizing the "if-converted" method would be anti-dilutive.
[3] Common shares of 5.8 million issuable upon conversion of the Convertible Senior Unsecured Notes for each of the three and nine months ended September 30, 2011 were not included in the diluted net loss per share computation because the computation of diluted net loss per share attributable to common stockholders utilizing the "if-converted" method would be anti-dilutive.