Derivative Instruments - Fair Value of Derivative Instruments Included in Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Total derivatives	$ 3,354	$ (17,735)
Designated as Hedging Instrument \| Other current assets \| Interest rate swaps
Derivative [Line Items]
Asset Derivatives	0	1,194
Designated as Hedging Instrument \| Other current assets \| Foreign exchange forward contracts
Derivative [Line Items]
Asset Derivatives	4,857	0
Designated as Hedging Instrument \| Other assets \| Interest rate swaps
Derivative [Line Items]
Asset Derivatives	0	937
Designated as Hedging Instrument \| Other assets \| Foreign exchange forward contracts
Derivative [Line Items]
Asset Derivatives	5	0
Designated as Hedging Instrument \| Other current liabilities \| Interest rate swaps
Derivative [Line Items]
Liability Derivatives	(639)	0
Designated as Hedging Instrument \| Other current liabilities \| Foreign exchange forward contracts
Derivative [Line Items]
Liability Derivatives	(340)	(16,408)
Designated as Hedging Instrument \| Other non-current liabilities \| Foreign exchange forward contracts
Derivative [Line Items]
Liability Derivatives	(759)	(3,105)
Not Designated as Hedging Instrument \| Other current assets \| Foreign exchange forward contracts
Derivative [Line Items]
Asset Derivatives	246	7
Not Designated as Hedging Instrument \| Other current liabilities \| Foreign exchange forward contracts
Derivative [Line Items]
Liability Derivatives	$ (16)	$ (360)

Fair value, before effects of master netting arrangements, of a financial asset or other 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 assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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