Quarterly report pursuant to Section 13 or 15(d)

Restructuring - (Schedule of Restructuring and Related Costs) (Details)

v3.8.0.1
Restructuring - (Schedule of Restructuring and Related Costs) (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
2015 Plan [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring Reserve, Beginning Balance     96  
Restructuring charges 33 $ 282 116 $ 1,255
Cash payments     (132)  
Restructuring Reserve, Ending Balance $ 80   80  
Other Restructuring [Member] | 2015 Plan [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges     $ 116