Restructuring - Summary of Restructuring Liability (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Restructuring Reserve [Roll Forward]
Balance - Beginning of the period		$ 585	$ 603	$ 603
Provisions	$ 500	768	1,142	800
Utilizations		(538)	(1,523)
Balance - End of the period	815	815	222	585
Employee Costs
Restructuring Reserve [Roll Forward]
Balance - Beginning of the period		542	531	531
Provisions		464	36
Utilizations		(339)	(345)
Balance - End of the period	667	667	222	542
Facility Exit and Other Costs
Restructuring Reserve [Roll Forward]
Balance - Beginning of the period		43	72	72
Provisions		304	1,106
Utilizations		(199)	(1,178)
Balance - End of the period	$ 148	$ 148	$ 0	$ 43