Leases - Significant Lease Transactions (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) option	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Finance lease right-of-use assets	$ 1,893,388	$ 1,875,696
Finance lease liability	2,175,639
Operating lease right-of-use assets	1,234,257	$ 1,282,418
Operating lease liability	1,206,317
Atlanta 1 ("AT1") data center lease extended & expansion
Lessee, Lease, Description [Line Items]
Finance lease right-of-use assets	71,994
Finance lease liability	72,549
Operating lease right-of-use assets	(1,836)
Operating lease liability	$ (2,391)
Operating and finance lease term (in years)	12 years
Number of additional renewal options | option	3
Operating and finance lease renewal term (in years)	10 years
Number of renewal options | option	2