Leases - Lessor Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lessor, Lease, Description [Line Items]
Net revenues	$ 1,377,000	$ 663,000	$ 1,977,000	$ 1,936,000
Hotel
Lessor, Lease, Description [Line Items]
Net revenues	200,000	94,000	257,000	237,000
Other
Lessor, Lease, Description [Line Items]
Net revenues	133,000	$ 33,000	$ 172,000	$ 84,000
Other | Convention Arrangements
Lessor, Lease, Description [Line Items]
Net revenues	$ 2,000