Derivative Contracts - Fair Value and Presentation in Consolidated Balance Sheets for Derivatives (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Foreign exchange contract
Derivative [Line Items]
Derivative assets	$ 395	$ 142
Derivative liabilities	22	1,234
Foreign exchange contract | Other current assets | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative assets	395	142
Foreign exchange contract | Accrued liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative liabilities	22	1,234
Interest swap contract
Derivative [Line Items]
Derivative assets	302	0
Derivative liabilities	787	0
Interest swap contract | Other current assets | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative assets	1	0
Interest swap contract | Other assets, net | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative assets	301	0
Interest swap contract | Accrued liabilities
Derivative [Line Items]
Derivative liabilities	500
Interest swap contract | Accrued liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative liabilities	494	0
Interest swap contract | Other long-term liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative liabilities	$ 293	$ 0