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Fair Value of Financial Instruments - Additional Information (Details) - Forward contracts - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Derivative, notional amount | $ 1,110,000 |  | $ 1,110,000 |  | $ 626,500
Other accounts receivable |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Fair value foreign currency forward contracts, asset | 0 |  | 0 |  | 431
Accrued expenses |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Fair value foreign currency forward contracts, liability | 1,697 |  | 1,697 |  | $ 0
Other (expenses) income, net |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Recognized losses of foreign currency forward contracts | $ (19,331) | $ (203) | (27,647) | $ (13,034) |
Other, net |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Change in the fair value of foreign currency forward contracts |  |  | 27,600 | 13,000 |
Cash settlements |  |  | $ (25,500) | $ (18,100) |

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