Summary of Significant Accounting Policies - Narrative (Detail)	3 Months Ended
	Mar. 31, 2017 USD ($) segment term	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Treasury yield term	10 years
Additional rent, percentage points used in calculation	6.00%
Non-normal tenant improvements	$ 80,900,000
Impairment charges	$ 0	$ 0
Number of times lease term, extended | term	4
Effective tax rate	2.60%
Amortization of deferred financing costs	$ 2,800,000
Long-term debt, Gross	3,666,500,000		$ 3,683,250,000
Debt, fair value	$ 3,700,000,000
Number of reportable segments | segment	1
Tenant
Summary Of Significant Accounting Policies [Line Items]
Initial cap of non-normal tenant improvements in the first year	$ 100,000,000
Annual increase in non-normal tenant improvements	$ 75,000,000
Master lease, initial lease term	10 years
Additional period of extension in lease contract	5 years
Corporate Services Agreement
Summary Of Significant Accounting Policies [Line Items]
Expenses incurred	$ 400,000