Annual report pursuant to Section 13 and 15(d)

Restructuring Charges - Summary of Restructuring Charges (Details)

v3.3.1.900
Restructuring Charges - Summary of Restructuring Charges (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Restructuring and Related Activities [Abstract]      
Restructuring charges $ 0 $ 952 $ 1,111
Change in activity of restructuring reserves during the period      
Additions 0 952 1,111
2013 Restructuring Plan | Severance and retention      
Restructuring and Related Activities [Abstract]      
Restructuring charges 0 952 1,111
Change in activity of restructuring reserves during the period      
Opening balance 134 1,570 0
Additions 0 952 1,111
Payments (134) (2,388) (33)
Other 0 0 492 [1]
Ending balance $ 0 $ 134 $ 1,570
[1] Amount was recorded upon the acquisition of Security Networks.