Restructuring and Other Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring and Related Activities [Abstract]
Employee-related restructuring expenses	$ 2,771	$ 3,890	$ 1,468
Facility reductions	0	392	0
Integration-related and other non-recurring expenses	146	629	1,941
Non-recurring legal expenses	0	109	796
Restructuring and other charges, net	$ 2,917	$ 5,020	$ 4,205