Annual report pursuant to Section 13 and 15(d)

Restructuring Activity Restructuring Activities (Details Textuals) (Details)

v3.19.3.a.u2
Restructuring Activity Restructuring Activities (Details Textuals) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Restructuring charges $ 2,636 $ 3,838 $ 9,524
Stock Based Compensation [Member]      
Restructuring charges     $ 5,100