Acquisition (Narratives) (Details) - Secure [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2016
Business Combinations [Line Items]
Acquisition Date		Nov. 12, 2015
Name of acquired entity			Secure Communication Systems, Inc. and its subsidiaries (collectively referred to as Secure Technology or Secure)
Purchase price paid			$ 219,754
Purchase price adjustment	$ (10,800)
Goodwill			$ 145,600