Relationships with Managers and Franchisors - Franchise Agreements (Details) - renewal_term			3 Months Ended	4 Months Ended			9 Months Ended
	Sep. 09, 2020	Sep. 03, 2020	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2020	Sep. 30, 2020
Atlanta Marriott Alpharetta
Real Estate Properties [Line Items]
Franchise fee as percentage of gross room sales							6.00%
Franchise fee as percentage of food and beverage sales							3.00%
Number of renewal terms	1
Renewal term	10 years
Atlanta Marriott Alpharetta | Maximum | Forecast
Real Estate Properties [Line Items]
Franchise fee, as a percentage					3.00%
Salt Lake City Marriott Downtown at City Creek
Real Estate Properties [Line Items]
Franchise fee as percentage of gross room sales							6.00%
Franchise fee as percentage of food and beverage sales							3.00%
Number of renewal terms		1
Renewal term		10 years
Salt Lake City Marriott Downtown at City Creek | Maximum | Forecast
Real Estate Properties [Line Items]
Franchise fee, as a percentage				3.00%
The Lodge at Sonoma Renaissance Resort & Spa
Real Estate Properties [Line Items]
Franchise fee as percentage of gross room sales							5.00%
The Lodge at Sonoma Renaissance Resort & Spa | Maximum | Forecast
Real Estate Properties [Line Items]
Franchise fee, as a percentage						3.00%
Renaissance Charleston Historic District Hotel
Real Estate Properties [Line Items]
Franchise fee as percentage of gross room sales							5.00%
Renaissance Charleston Historic District Hotel | Maximum | Forecast
Real Estate Properties [Line Items]
Franchise fee as percentage of gross room sales			3.50%
Courtyard New York Manhattan/Fifth Avenue
Real Estate Properties [Line Items]
Franchise fee as percentage of gross room sales							6.00%