Financial Instruments - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Accrued interest	$ 7,563	$ 5,754
Unrealized gain on cash flow hedges	$ 10,510	18,046
0.125% Convertible Senior Notes
Derivative [Line Items]
Stated interest rate	0.125%
Estimated fair value	$ 1,098,342
Foreign exchange forward contracts
Derivative [Line Items]
Foreign exchange forward contracts, notional value	340,843	285,700
Foreign exchange forward contracts \| Cash Flow Hedging
Derivative [Line Items]
Realized gains (losses) related to the maturity of foreign exchange forward contracts	(2,985)	$ (5,181)
Foreign exchange forward contracts \| Cash Flow Hedging \| Other Current Liabilities
Derivative [Line Items]
Unrealized gain on cash flow hedges	$ 16,340

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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No definition available.

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Nominal or face amount used to calculate payment on derivative.

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Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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