Quarterly report pursuant to sections 13 or 15(d)

Unaudited Pro Forma Information Represents Consolidated Results of Operations (Detail)

v2.3.0.11
Unaudited Pro Forma Information Represents Consolidated Results of Operations (Detail) (USD $)
In Thousands, except Share data
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]    
Total revenue $ 178,079 $ 358,215
Net loss $ (10,566) $ (15,949)
Basic and diluted loss per share $ (0.06) $ (0.09)
Weighted average common shares outstanding - basic and diluted 183,048,031 183,199,813