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Goodwill And Intangible Assets (Indefinite Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Intangible assets $ 33,588 $ 33,571
Tradename [Member]
   
Intangible assets 28,254 28,254
Other Intangible Assets [Member]
   
Intangible assets $ 5,334 $ 5,317