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Commitments And Contingencies (Minimum Future Rental Payments) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Operating Leased Assets [Line Items]  
2013 $ 645
2014 145
2015 and on 58
Related Party [Member]
 
Operating Leased Assets [Line Items]  
2013 $ 13