Management Agreements and Leases Management Agreements and Leases - Combined Marriott Agreement (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) retail_property hotel property renewal_term	Dec. 31, 2018 USD ($)
Management Agreements and Leases [Line Items]
Number of properties | retail_property	816
Annual minimum returns and rents	$ 381,679
Security deposits	$ 109,403	$ 132,816
Number of real estate properties to be sold or rebranded | property	19
Minimum
Management Agreements and Leases [Line Items]
Percentage of gross revenues from hotel operations placed into escrow	5.50%
Maximum
Management Agreements and Leases [Line Items]
Percentage of gross revenues from hotel operations placed into escrow	6.50%
Hotel operating revenues
Management Agreements and Leases [Line Items]
Number of properties | hotel	329
Marriott contracts
Management Agreements and Leases [Line Items]
Lease term	16 years
Number of renewal options | renewal_term	2
Renewal term	10 years
Marriott contracts | Hotel operating revenues
Management Agreements and Leases [Line Items]
Number of properties | hotel	122
Annual minimum returns and rents	$ 190,600
Security deposits	33,445
Security deposits replenished and increased	$ 64,700
Percent of cash flows realized from operations	60.00%
Guarantee provided to the entity, remaining amount	$ 30,000
Percentage of aggregate minimum return due	85.00%
Number of real estate properties to be sold or rebranded | hotel	33