Condensed Consolidated Statement of Stockholders' Equity (USD $)
In Thousands, except Share data, unless otherwise specified
Total
USD ($)
Common Stock Shares
Common Stock Par Value
USD ($)
Capital in Excess of Par Value
USD ($)
Accumulated Deficit
USD ($)
Accumulated Other Comprehensive Loss
USD ($)
Treasury Stock
USD ($)
Beginning balance at Dec. 31, 2013 $ 3,118,034   $ 3,706 $ 3,859,823 $ (742,915) $ (638) $ (1,942)
Beginning balance (in shares) at Dec. 31, 2013   370,570,565         206,762
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income (loss) (67,912)       (67,912)    
Other comprehensive income (53)         (53)  
Dividends declared on common stock (194,187)       (194,187)    
Repurchase of common shares (in shares)             (266,837)
Repurchase of common shares (2,920)           (2,920)
Issuance of common shares (in shares)   28,024,320          
Issuance of common shares 287,454   280 287,174      
Embedded conversion premium of convertible notes 55,131     55,131      
Exercise of stock options (in shares)   20,000          
Exercise of stock options 183     183      
Stock based compensation, net (in shares)   424,897          
Stock-based compensation, net 8,508   4 8,924 (420)    
Ending balance at Sep. 30, 2014 $ 3,204,238   $ 3,990 $ 4,211,235 $ (1,005,434) $ (691) $ (4,862)
Ending balance (in shares) at Sep. 30, 2014   399,039,782         473,599