Leases - Additional Information (Detail) $ in Thousands, € in Millions, HKD in Millions	1 Months Ended		12 Months Ended
	May 31, 2017 EUR (€)	May 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2017 HKD	May 31, 2017 USD ($)
Capital Leased Assets [Line Items]
Weighted average effective interest rate (percent)			7.86%			7.86%
Purchases of real estate			$ 95,083	$ 28,118	$ 38,282
Repayment of capital lease and other financing obligations			93,470	114,385	28,663
Loss on debt extinguishment			(65,772)	(12,276)	(289)
Rent expense			157,900	$ 140,600	$ 101,500
Erfpacht
Capital Leased Assets [Line Items]
Purchases of real estate	€ 26.7	$ 30,400
AM5 AMSTERDAM, THE NETHERLANDS [Member]
Capital Leased Assets [Line Items]
Repayment of capital lease and other financing obligations	20.0	22,800
Loss on debt extinguishment	7.2	$ 8,200
HK5, Hong Kong 5 [Member]
Capital Leased Assets [Line Items]
Capital lease liability			$ 73,900			HKD 577.4
Minimum
Capital Leased Assets [Line Items]
Capital lease expiration period			2018
Maximum
Capital Leased Assets [Line Items]
Capital lease expiration period			2053
Other assets
Capital Leased Assets [Line Items]
Ground Leases, Gross	€ 6.7						$ 7,600