Management Agreements and Leases - Marriott Agreement (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) hotel room	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) hotel room	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Management Agreements and Leases [Line Items]
Security deposits	$ 284		$ 284		$ 109,403
Capital improvements from leased facilities, funded			54,603	$ 71,024
Carrying value of properties held for sale	$ 191,202		$ 191,202
Hotel
Management Agreements and Leases [Line Items]
Number of properties owned | hotel	329		329
Operating agreement annual rent and return			$ 38,901
Number of rooms to be sold or rebranded | room	4,794		4,794
Carrying value of properties held for sale	$ 184,467		$ 184,467
Marriott Contracts | Minimum
Management Agreements and Leases [Line Items]
Percent of gross revenues from hotel operations placed in escrow			5.50%
Marriott Contracts | Maximum
Management Agreements and Leases [Line Items]
Percent of gross revenues from hotel operations placed in escrow			6.50%
Marriott Contracts | Hotel
Management Agreements and Leases [Line Items]
Number of properties owned | hotel	122		122
Operating agreement annual rent and return			$ 194,613
Security deposits replenished and increased			$ 64,700
Percent of cash flows realized from operations	60.00%		60.00%
Guarantee provided to the entity, maximum	$ 30,000		$ 30,000
Guaranty payments threshold as percentage of minimum returns			85.00%
Security deposits	$ 33,423		$ 33,423
Capital improvements from leased facilities, funded			50,415	34,378
Increase (decrease) in annual minimum returns and rents			$ 4,039	3,252
Number of properties to be sold or rebranded | hotel	33		33
Number of rooms to be sold or rebranded | room	2,989		2,989
Carrying value of properties held for sale	$ 140,798		$ 140,798
Payments for capital advances			30,000
Realized returns and rents	$ 14,369	$ 47,794	91,076	$ 142,562
Cumulative shortfall agreement amount			$ 23,952
Percent of cumulative priority returns due			80.00%
Number of hotels not expected to be sold | hotel	98		98
Number of hotels expected to be sold | hotel	9		9
Marriott Contracts | Hotel | Held-for-sale
Management Agreements and Leases [Line Items]
Operating agreement annual rent and return			$ 31,359
Number of properties to be sold or rebranded | hotel	24		24