Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (EPS) - Summary of Earnings Per Share (EPS) (Detail)

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Earnings Per Share (EPS) - Summary of Earnings Per Share (EPS) (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Earnings Per Share [Abstract]    
EPS, income $ 592 $ 26,392
Basic EPS, shares 118,867,678 116,848,516
Basic EPS $ 0.00 $ 0.23
Stock options and restricted stock, shares 1,204,896 1,555,975
Stock options and restricted stock, per share amount $ 0.00 $ (0.01)
Diluted EPS, shares 120,072,574 118,404,491
Diluted EPS $ 0.00 $ 0.22