Management Agreements and Leases - Marriott No. 234 (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) retail_property hotel	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Management Agreements and Leases [Line Items]
Number of properties | retail_property	816
Annual minimum returns and rents	$ 381,679
Security deposit balance	109,403	$ 132,816
Capital improvements from leased facilities, funded	$ 150,531	182,862	$ 131,120
Hotel operating revenues
Management Agreements and Leases [Line Items]
Number of properties | hotel	329
Marriott (No. 234) | Hotel operating revenues
Management Agreements and Leases [Line Items]
Number of properties | hotel	68
Annual minimum returns and rents	$ 110,383
Realized returns and rents	108,564	106,978	$ 106,405
Replenishment (utilization) of security deposit	$ 734
Percentage of aggregate minimum return due	90.00%
Capital improvements from leased facilities, funded	$ 33,700	$ 9,030