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Goodwill and Other Intangible Assets (Schedule of Estimated Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Goodwill and Other Intangible Assets [Abstract]  
2012 $ 231
2013 231
2014 231
2015 231
2016 $ 29