Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring and Related Activities [Abstract]
Restructuring, expected cost	$ 9,300		$ 9,300
Restructuring Reserve [Roll Forward]
Accrual, beginning balance			0
Restructuring costs	790	$ 0	8,114	$ 0
Utilization			(6,416)
Accrual, ending balance	$ 1,698		$ 1,698