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Restructuring and Reorganization (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Restructuring Cost And Reserve [Line Items]        
Restructuring and reorganization charges $ 7,784,000 $ 76,000 $ 9,041,000 $ 939,000
Termination costs
       
Restructuring Cost And Reserve [Line Items]        
Cash payments 8,000,000      
Restructuring and reorganization charges $ (200,000) $ 100,000 $ 1,000,000 $ 900,000