Quarterly report pursuant to Section 13 or 15(d)

Restructuring Activities (Details Textuals)

v3.8.0.1
Restructuring Activities (Details Textuals) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Restructuring charges $ 2,178 $ 0 $ 8,724 $ 2,106
Operating Leases, Rent Expense, Sublease Rentals 500 400 1,600 900
Stock Based Compensation [Member]        
Restructuring charges 400   4,900  
Other Restructuring [Member]        
Restructuring charges 138 0 138 130
Employee Severance [Member]        
Restructuring charges 1,300   2,800  
Facility Closing [Member]        
Restructuring charges $ 351 $ 0 901 $ 1,976
Lease Related Impairment [Member]        
Restructuring charges     $ 901