Leases - Narrative (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) term period	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Aug. 01, 2016 USD ($)
Leases [Line Items]
Additional period of extension in lease contract	5 years
Number of times lease term, extended | term	4
Revised rent payments due under master lease	$ 650,000
Number of years that the percentage rent is fixed	6 years
Number of years that percentage rent is variable	5 years
Number of periods for calculation of variable rent | period	5
Adjusted net revenue to rent ratio	625.00%
Rental revenues	$ 419,239	$ 0	$ 0
Revenue related to the reimbursement of property taxes paid by the Tenant	48,309	$ 0	$ 0
Master Lease Base Rent
Leases [Line Items]
Revised rent payments due under master lease	$ 585,000			$ 585,000
Percentage of initial total rent payments due under the master lease	90.00%
Fixed annual rent escalator, percentage	2.00%
Master Lease Percentage Rent
Leases [Line Items]
Percentage of initial total rent payments due under the master lease	10.00%
Lease fixed amount adjustment multiplier	1.40%
Master Lease Percentage Rent | Borgata Property
Leases [Line Items]
Revised rent payments due under master lease	$ 65,000			$ 65,000
Master Lease
Leases [Line Items]
Master lease, initial lease term	10 years
Additional period of extension in lease contract	5 years
Rental revenues	$ 419,200