Financial Instruments and Fair Value Measurements - Summary of Changes in Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative translation adjustment	$ 5,228	$ (140,537)	$ (200,891)	$ (149,755)
Total foreign currency translation gains (losses), net	(45,576)	30,053	(180,162)	42,471
Total unrealized gains (losses) on derivative contracts, net	2,379	(616)	(19,696)	(6,974)
Total change in other comprehensive income (loss)	(43,197)	29,437	(199,858)	35,497
Designated As Hedging Instrument [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total derivative hedging instruments	(4,234)	15,642	18,290	4,654
Designated As Hedging Instrument [Member] \| Non derivative Net Investment Hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Debt designated as nonderivative net investment hedges	(46,570)	154,948	2,439	187,572
Designated As Hedging Instrument [Member] \| Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total derivative hedging instruments	1,581	1,206	(12,857)	3,464
Designated As Hedging Instrument [Member] \| Our Share of Derivatives from Unconsolidated Co-Investment Ventures [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total derivative hedging instruments	$ 798	$ (1,822)	$ (6,839)	$ (10,438)

Derivative instruments designated as hedging instruments gain loss net.

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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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