Restructuring - Summary of Restructuring Liability (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Restructuring Reserve [Roll Forward]
Balance - Beginning of the period		$ 0	$ 585	$ 603	$ 603
Provisions	$ 1,500		2,289	1,487	800
Utilizations			(1,084)	(2,090)
Balance - End of the period	1,790	585	1,790	0	585
Employee Costs
Restructuring Reserve [Roll Forward]
Balance - Beginning of the period		0	542	531	531
Provisions			1,721	37
Utilizations			(496)	(568)
Balance - End of the period	1,767	542	1,767	0	542
Facility Exit and Other Costs
Restructuring Reserve [Roll Forward]
Balance - Beginning of the period		0	43	72	72
Provisions			568	1,450
Utilizations			(588)	(1,522)
Balance - End of the period	$ 23	$ 43	$ 23	$ 0	$ 43