Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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The net gain (loss) during the reporting period due to ineffectiveness in foreign currency cash flow hedges. Recognized in earnings.

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The net gain (loss) during the reporting period due to ineffectiveness in interest rate cash flow hedges. Recognized in earnings.

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Fair Value Measurements - Summary of Financial Liability Measured at Fair Value on a Recurring Basis (Details 2) - Designated as Hedging Instrument - Cash Flow Hedge - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest Rate Swap
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge		$ 768	$ 1,020
Interest rate swap - cash flow hedge, loss	$ 928	(768)
Foreign currency hedges
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge	601	0
Gain (Loss) on Foreign Currency Cash Flow Hedge Ineffectiveness	18
Fair Value, Measurements, Recurring \| Interest Rate Swap
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge	753	(768)
Fair Value, Measurements, Recurring \| Foreign currency hedges
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge	(601)
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Interest Rate Swap
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge	753
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Foreign currency hedges
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge	$ (601)
Fair Value, Measurements, Recurring \| Estimate of Fair Value Measurement \| Significant Other Observable Inputs (Level 2) \| Interest Rate Swap
Recurring financial liability that was measured at carrying value
Interest rate swap - cash flow hedge		$ (768)