Leases - Narrative (Details)	1 Months Ended	12 Months Ended
	Sep. 30, 2015 Term	Dec. 31, 2020 USD ($) ParkingSpace Term
Operating Leased Assets [Line Items]
Maximum additional terms up to which ground lease can be extended (up to) | Term		12
Periods in each additional renewal term		5 years
Approximate rent when monthly occupancy is less than 85%		$ 8,400
Percentage of occupancy under condition one (less than)		85.00%
Approximate rent when monthly occupancy is 100%		$ 20,000
Percentage of occupancy under condition two		100.00%
Minimum percentage of annual rent increase		2.50%
Other Leases | Residence Inn San Diego Gaslamp
Operating Leased Assets [Line Items]
Maximum additional terms up to which ground lease can be extended (up to) | Term		3
Periods in each additional renewal term		10 years
Operating leases, monthly payment		$ 44,400
Operating lease, periodic increase, (in percentage)		10.00%
Operating lease, periodic increase, term		5 years
Annual supplemental rent, percentage of gross revenues		5.00%
Annual supplemental rent subtraction, base rent multiplier		12
Other Leases | Hilton Garden Inn Marina del Rey
Operating Leased Assets [Line Items]
Operating leases, monthly payment		$ 47,500
Air Rights Lease And Garage Lease
Operating Leased Assets [Line Items]
Number of parking spaces occupied by hotel | ParkingSpace		128
Aggregate rent under operating leases		$ 31,000
Office Lease
Operating Leased Assets [Line Items]
Maximum additional terms up to which ground lease can be extended (up to) | Term	2
Periods in each additional renewal term	5 years
Term of contract	11 years
Abatement term of contract	12 months
Fixed lease payments		800,000
Hotel Ground Lease
Operating Leased Assets [Line Items]
Fixed lease payments		1,200,000
Variable lease payments		$ 33,000.0
Minimum | Other Leases | Hilton Garden Inn Marina del Rey
Operating Leased Assets [Line Items]
Annual supplemental rent, percentage of gross revenues		5.00%
Maximum | Other Leases | Hilton Garden Inn Marina del Rey
Operating Leased Assets [Line Items]
Annual supplemental rent, percentage of gross revenues		25.00%