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Leases - Narrative (Details) | 1 Months Ended | 12 Months Ended
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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%

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