Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2016 - USD ($)
$ in Thousands
Total
Common Stock, Shares
Common Stock, Par Value
Common Stock, Capital in Excess of Par Value
Accumulated Deficit
AOCL
Beginning balance (Restated) (in shares) at Dec. 31, 2015   441,819,964        
Beginning balance (Restated) at Dec. 31, 2015 $ 3,461,874   $ 4,418 $ 4,721,323 $ (1,262,839) $ (1,028)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 96,458       96,458  
Other comprehensive income 1,020         1,020
Dividends declared on common stock (246,141)       (246,141)  
Repurchase of shares of common stock (in shares)   (193,558)        
Repurchase of shares of common stock (739)   (2)   (737)  
Issuance of shares of common stock, net (in shares)   40,835,360        
Issuance of shares of common stock, net 446,613   408 446,205    
Stock-based compensation, net (in shares)   1,104,575        
Stock-based compensation, net 6,850   12 7,178 (340)  
Ending balance (in shares) at Sep. 30, 2016   483,566,341        
Ending balance at Sep. 30, 2016 $ 3,765,935   $ 4,836 $ 5,174,706 $ (1,413,599) $ (8)