Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event (Summary of Pro Forma Financial Information) (Detail)

v2.4.0.6
Subsequent Event (Summary of Pro Forma Financial Information) (Detail) (Newfield Properties [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Newfield Properties [Member]
       
Subsequent Event [Line Items]        
Revenue $ 216,954 $ 294,370 $ 739,766 $ 877,944
Net income (loss) $ (640) $ 62,404 $ 59,879 $ 165,363
Basic and diluted earnings (loss) per common share $ (0.01) $ 0.82 $ 0.79 $ 2.18