Commitments and Contingencies - Ground Leases Annual Rent (Details) - USD ($)		1 Months Ended	12 Months Ended
	May 01, 2021	Jan. 31, 2031	Dec. 31, 2017
Bethesda Marriott Suites
Schedule of Ground Leased Assets [Line Items]
Annual increase in rent			5.50%
Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Term			49 years
Ground leases renewal option (in years)			49 years
Courtyard Manhattan / Fifth Avenue \| Maximum
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			5.00%
Salt Lake City Marriott Downtown
Schedule of Ground Leased Assets [Line Items]
Ownership percentage of hotel land			21.00%
Annual rent reimbursed by hotel			21.00%
Boston Westin
Schedule of Ground Leased Assets [Line Items]
Term			30 years
Boston Westin \| Maximum
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			2.50%
JW Marriott Denver at Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Ground leases renewal option (in years)			5 years
Renaissance Worthington
Schedule of Ground Leased Assets [Line Items]
Ground leases renewal option (in years)			15 years
Through 4/2087 \| Bethesda Marriott Suites
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 740,632
10/2007 - 9/2017 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			906,000
10/2017 - 9/2027 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,132,812
10/2027 - 9/2037 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,416,015
10/2037 - 9/2047 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,770,019
10/2047 - 9/2057 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			2,212,524
10/2057 - 9/2067 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			2,765,655
10/2067 - 9/2077 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			3,457,069
10/2077 - 9/2085 \| Courtyard Manhattan / Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			4,321,336
Through 12/2056 \| Salt Lake City Marriott Downtown
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 132,000
Annual rent expense (as a percentage of gross room sales)			2.60%
1/2013 - 12/2017 \| Salt Lake City Marriott Downtown
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 11,305
1/2017 - 12/2017 \| Salt Lake City Marriott Downtown
Schedule of Ground Leased Assets [Line Items]
Annual rent			13,000
1/2018 - 12/2056 \| Salt Lake City Marriott Downtown
Schedule of Ground Leased Assets [Line Items]
Annual rent			13,500
1/2016 - 12/2020 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent			750,000
1/2021 - 12/2025 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,000,000
1/2021 - 12/2025 \| JW Marriott Denver at Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual rent			55,000
1/2026 - 12/2030 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,500,000
1/2026 - 12/2030 \| JW Marriott Denver at Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual rent			60,000
1/2031 - 12/2035 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,750,000
1/2036 - 5/2099 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 0
Through 05/2015 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			0.00%
6/2016 - 5/2026 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			1.00%
6/2026 - 5/2036 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			1.50%
6/2036 - 5/2046 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			2.75%
6/2046 - 5/2056 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.00%
6/2056 - 5/2066 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.25%
6/2066 - 5/2099 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.50%
1/2015 - 12/2020 \| JW Marriott Denver at Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 50,000
Through 4/2016 \| Shorebreak Hotel
Schedule of Ground Leased Assets [Line Items]
Annual rent			115,542
5/2016 - 4/2021 \| Shorebreak Hotel
Schedule of Ground Leased Assets [Line Items]
Annual rent			126,649
5/2013 - 12/2070 \| Boston Westin
Schedule of Ground Leased Assets [Line Items]
Annual rent			9,815
8/2013 - 7/2022 \| Renaissance Worthington
Schedule of Ground Leased Assets [Line Items]
Annual rent			40,400
8/2022 - 7/2037 \| Renaissance Worthington
Schedule of Ground Leased Assets [Line Items]
Annual rent			46,081
8/2037 - 7/2052 \| Renaissance Worthington
Schedule of Ground Leased Assets [Line Items]
Annual rent			51,763
8/2052 - 7/2067 \| Renaissance Worthington
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 57,444
Scenario, Forecast \| JW Marriott Denver at Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual increase in rent		3.00%
Rent increase (in years)		1 year
Scenario, Forecast \| 1/2026 - 12/2030 \| JW Marriott Denver at Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Rent increase (in years)	5 years