Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Provision (Benefit) for Income Taxes (Detail)

v2.4.0.6
Income Taxes - Summary of Provision (Benefit) for Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current Expense:                      
Federal                 $ 4,993 $ 704 $ (3,224)
State                 (19) 29 (349)
Total Current Expense (Benefit)                 4,974 733 (3,573)
Deferred Expense:                      
Federal                 (25,836)   3,561
State                 (26,506)    
Total Deferred (Benefit)Expense                 (52,342)   3,561
Provision (Benefit) for Income Taxes $ 374 $ (644) $ (47,177) $ 79 $ 27 $ (18) $ 605 $ 119 $ (47,368) $ 733 $ (12)