Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges - Narrative (Details)

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Restructuring Charges - Narrative (Details) (USD $)
In Thousands, unless otherwise specified
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 Charges $ 51 $ 402 $ 969 $ 402
Severance and retention | 2013 Restructuring Plan
       
Restructuring Cost and Reserve [Line Items]        
Restructuring Charges $ 51 $ 402 $ 969 $ 402