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Consolidated Statements of Comprehensive Income (Loss) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Net income $ 2,281,884 $ 116,633 $ 2,400,063 $ 147,403
Other Comprehensive Income, Net of Tax        
Change in fair value of derivatives 77 58 273 173
Other comprehensive income 77 58 273 173
Comprehensive income $ 2,281,961 $ 116,691 $ 2,400,336 $ 147,576