MGP Selected Quarterly Financial Results (Unaudited) - Narrative (Details) - Borgata Property $ in Millions	Aug. 01, 2016 USD ($)
Master lease increase in rent
Segment Reporting Information [Line Items]
Rental revenues under master lease	$ 100
Increase in base rent
Segment Reporting Information [Line Items]
Rental revenues under master lease	90
Increase in percentage rent
Segment Reporting Information [Line Items]
Rental revenues under master lease	$ 10