Leases - Narrative (Detail) $ in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2020 HKD ($) renewal_option	Mar. 31, 2020 USD ($) renewal_option	Feb. 29, 2020	Dec. 31, 2019 USD ($)	Aug. 31, 2019
Lessee, Lease, Description [Line Items]
Right-of-use asset, finance lease		$ 1,343,406		$ 1,277,614
Lease liability, finance lease		1,579,207
Accumulated amortization, finance lease, right-of-use asset		498,100		$ 474,800
Lease liability		$ 680,800
Silicon Valley 4 Data Center
Lessee, Lease, Description [Line Items]
Finance lease, renewal term			5 years
Number of finance lease renewal terms | renewal_option	2	2
Right-of-use asset, finance lease		$ 62,800
Lease liability, finance lease		63,300
Finance lease, initial term					15 years 7 months
Hong Kong 1 Data Center
Lessee, Lease, Description [Line Items]
Right-of-use asset, finance lease	$ 163.0	$ 21,000
Finance lease, initial term	18 years	18 years
Minimum
Lessee, Lease, Description [Line Items]
Lease not yet commenced, remaining lease term	2 years
Maximum
Lessee, Lease, Description [Line Items]
Lease not yet commenced, remaining lease term	49 years