Financial Instruments and Fair Value Measurements - Summary of Changes in Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative translation adjustment	$ (191,642)	$ 15,875
Total foreign currency translation gains (losses), net	(133,533)	60,080
Total unrealized losses on derivative contracts, net	(23,448)	(2,633)
Total change in other comprehensive income (loss)	(156,981)	57,447
Designated As Hedging Instrument [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total derivative hedging instruments	25,359	(19,452)
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	32,750	63,657
Designated As Hedging Instrument [Member] | Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total derivative hedging instruments	(15,525)	1,105
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	$ (7,923)	$ (3,738)