Restructuring - Additional Information (Details) $ in Thousands		12 Months Ended			36 Months Ended
	May 02, 2016 facility	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Nov. 19, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 1,598	$ 3,507	$ 800	$ 5,900
North America
Restructuring Cost and Reserve [Line Items]
Number of facilities | facility	2
Minimum
Restructuring Cost and Reserve [Line Items]
Total Project Expense						$ 11,000
Minimum | Capital Investment
Restructuring Cost and Reserve [Line Items]
Total Project Expense						1,000
Maximum
Restructuring Cost and Reserve [Line Items]
Total Project Expense						16,000
Maximum | Capital Investment
Restructuring Cost and Reserve [Line Items]
Total Project Expense						$ 2,000