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Segment Reporting (Narrative) (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Number of business segments 3    
Foreign Locations [Member]
     
Segment Reporting Information [Line Items]      
Revenue $ 0 $ 0  
Long lived assets $ 0   $ 0