Quarterly report pursuant to Section 13 or 15(d)

Restructuring - (Narrative) (Details)

v3.8.0.1
Restructuring - (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 33 $ 282 $ 116 $ 1,275
2014 Plan [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   0   20
Cumulative restructuring charges     5,959  
2015 Plan [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 33 $ 282 116 $ 1,255
Cumulative restructuring charges     $ 2,500