Commitments and Contingencies - Ground Leases Annual Rent (Details) - USD ($)	1 Months Ended		12 Months Ended
	Jan. 31, 2031	Jan. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Bethesda Marriott Suites
Schedule of Ground Leased Assets [Line Items]
Annual increase in rent			5.50%
Courtyard New York 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
Schedule of Ground Leased Assets [Line Items]
Ownership percentage of hotel land			21.00%
Annual rent reimbursed by hotel			21.00%
Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Term			30 years
Westin Boston Waterfront mortgage loan \| Maximum
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			2.50%
Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual increase in rent			2.50%
Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Percentage rent			$ 30,000,000
Participation rent			42,000,000	$ 42,000,000	$ 40,000,000
Through 4/2087 \| Bethesda Marriott Suites
Schedule of Ground Leased Assets [Line Items]
Annual rent			869,679
10/2017 - 9/2027 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,132,812
10/2027 - 9/2037 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,416,015
10/2037 - 9/2047 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,770,019
10/2047 - 9/2057 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			2,212,524
10/2057 - 9/2067 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			2,765,655
10/2067 - 9/2077 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			3,457,069
10/2077 - 9/2085 \| Courtyard New York Manhattan/Fifth Avenue
Schedule of Ground Leased Assets [Line Items]
Annual rent			4,321,336
Through 12/2056 \| Salt Lake City Marriott
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 132,000
Annual rent expense (as a percentage of gross room sales)			2.60%
1/2018 - 12/2056 \| Salt Lake City Marriott
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 13,500
1/2016 - 12/2020 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			750,000
1/2021 - 12/2025 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,000,000
1/2021 - 12/2025 \| JW Marriott Denver Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual rent			55,000
1/2026 - 12/2030 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,500,000
1/2026 - 12/2030 \| JW Marriott Denver Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual rent			60,000
1/2031 - 12/2035 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			1,750,000
1/2036 - 5/2099 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 0
6/2016 - 5/2026 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			1.00%
6/2026 - 5/2036 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			1.50%
6/2036 - 5/2046 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			2.75%
6/2046 - 5/2056 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.00%
6/2056 - 5/2066 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.25%
6/2066 - 5/2099 \| Westin Boston Waterfront mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.50%
1/2016 - 12/2020 \| JW Marriott Denver Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 50,000
Through 6/2018 \| Orchards Inn Sedona
Schedule of Ground Leased Assets [Line Items]
Annual rent			117,780
7/2018 - 12/2070 \| Orchards Inn Sedona
Schedule of Ground Leased Assets [Line Items]
Annual rent			123,499
Through 3/2020 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			16,875
4/2020 - 3/2021 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			33,750
4/2021 - 3/2085 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			34,594
1/2022 - 12/2023 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			390,000
1/2024 - 12/2033 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			312,000
1/2034 - 12/2043 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			234,000
1/2044 - 12/2053 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			156,000
1/2054 - 12/2063 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			78,000
1/2064 - 3/2085 \| Hotel Palomar Phoenix (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			0
Through 12/2018 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 1
Annual rent (as a percentage of gross revenue)			1.00%
1/2019 - 12/2066 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 67,034
Rent increase (in years)		5 years
Average adjusted gross revenues, period		3 years
Adjusted gross revenues, multiplying percentage		75.00%
1/2019 - 12/2023 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			2.00%
1/2024 - 12/2028 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			3.00%
1/2029 - 12/2033 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			4.00%
1/2034 - 12/2066 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			5.00%
Through 12/2066 \| Cavallo Point (Base Rent)
Schedule of Ground Leased Assets [Line Items]
Annual rent (as a percentage of gross revenue)			10.00%
8/2013 - 7/2022 \| Worthington Renaissance Fort Worth Hotel mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 40,400
8/2022 - 7/2037 \| Worthington Renaissance Fort Worth Hotel mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			46,081
8/2037 - 7/2052 \| Worthington Renaissance Fort Worth Hotel mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			51,763
8/2052 - 7/2067 \| Worthington Renaissance Fort Worth Hotel mortgage loan
Schedule of Ground Leased Assets [Line Items]
Annual rent			$ 57,444
Forecast \| JW Marriott Denver Cherry Creek
Schedule of Ground Leased Assets [Line Items]
Annual increase in rent	3.00%
Rent increase (in years)	1 year