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Restructuring - Restructuring Liability Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Restructuring Reserve [Roll Forward]    
Beginning balance   $ 0
Costs incurred and charged to expense $ 20 588
Payments   (588)
Ending balance $ 0 $ 0