XML 103 R70.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit)) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2013
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
Income Tax Disclosure [Abstract]                        
Current, State                   $ 84 $ 0 $ 40
Current, Federal                   646 282 95
Deferred, State                   2,214 0 0
Deferred, Federal                   23,419 (372) (95)
Total income tax expense (benefit) provision recorded for continuing operations $ 28,195 $ 10,849 $ 15,514 $ 0 $ 0 $ (91) $ 0 $ 1 $ 0 $ 26,363 $ (90) $ 40