Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule Of Changes In Uncertain Tax Positions) (Details)

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Income Taxes (Schedule Of Changes In Uncertain Tax Positions) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Abstract]    
Balance at beginning of period $ 3,558  
Increase related to current-year tax positions   3,558
(Decreases) related to prior-year tax positions (3,558)  
Balance at end of period    $ 3,558