Annual report pursuant to Section 13 and 15(d)

Restructuring Activity Restructuring Activity (Details 1)

v3.19.3.a.u2
Restructuring Activity Restructuring Activity (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 2,636 $ 3,838 $ 9,524
One-time Termination Benefits [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 1,150 2,094 8,353
Facility Closing [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 1,301 1,608 1,025
Other Restructuring [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 185 $ 136 $ 146