Hotel Management Agreements and Leases - Carlson Agreement (Details) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended		31 Months Ended
	Oct. 31, 2017 USD ($)	Jun. 30, 2017 hotel	Sep. 30, 2017 USD ($) hotel	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) hotel	Sep. 30, 2016 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)
Management Agreements and Leases [Line Items]
Capital improvements from leased facilities, funded					$ 89,955	$ 122,239
Hotel
Management Agreements and Leases [Line Items]
Number of properties owned | hotel			323		323
Hotel | Carlson
Management Agreements and Leases [Line Items]
Number of properties owned | hotel			8		8
Operating agreement annual rent and return					$ 12,920
Realized returns and rents			$ 3,230	$ 3,230	9,690	$ 9,690
Guarantee provided to the entity, maximum			40,000		40,000
Increase in guarantee					4,716
Guarantee provided to the entity, remaining amount			33,545		$ 33,545
Chandler, AZ, Bloomington, MN, and Naperville, IL | Hotel | Carlson
Management Agreements and Leases [Line Items]
Number of properties agreed to sell | hotel		3
Owner deposits In FF&E reserve			$ 15,398
Percentage increase in minimum returns					8.00%
Forecast | Chandler, AZ, Bloomington, MN, and Naperville, IL | Hotel | Carlson
Management Agreements and Leases [Line Items]
Capital improvements from leased facilities, funded							$ 28,600	$ 6,400	$ 35,000
Subsequent event | Chandler, AZ, Bloomington, MN, and Naperville, IL | Hotel | Carlson
Management Agreements and Leases [Line Items]
Owner deposits In FF&E reserve	$ 8,030