v2.4.0.6
Business Combinations (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Schedule of pro forma information for business combinations    
Total revenues $ 505,023 $ 992,653
Net loss available for stockholders $ (59,172) $ (110,512)
Net loss per share available for common stockholders - basic $ (0.13) $ (0.24)
Net loss per share available for common stockholders - diluted $ (0.13) $ (0.24)