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Schedule III - Real Estate and Accumulated Depreciation - Narrative (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) ft² property project
Real Estate and Accumulated Depreciation [Line Items] |
Initial cost, encumbrances | $ | $ 254,365
Rentable square feet | 14,620,166
Investment in real estate, federal Income tax basis | $ | $ 8,600,000
In-process development projects - under construction [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Number of buildings | project | 3
Rentable square feet | 856,000
Sunset Blvd., Gower St. and El Centro Ave. Properties in Los Angeles [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Number of buildings | property | 6
1550 N. El Centro Avenue, Los Angeles, CA [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Depreciation life | 35 years
Number of Units | property | 200
Rentable square feet | 0
3200 Paseo Village Way, San Diego, CA (Resi Phase I) (16) [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Number of Units | property | 608
333 Dexter Ave. North, South Lake Union, WA [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Depreciation life | 35 years
Rentable square feet | 0
Office Building [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Unamortized debt issuance expense | $ | $ (800)
Office Building [Member] | Sunset Blvd., Gower St. and El Centro Ave. Properties in Los Angeles [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Number of buildings | property | 5
Office Building [Member] | W. Olympic Blvd., Los Angeles, CA [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Initial cost, encumbrances | $ | $ 166,776
Office Building [Member] | 320 Westlake Ave. North, WA and 321 Terry Avenue North, Lake Union, WA [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Initial cost, encumbrances | $ | $ 87,589
Residential Tower [Member] | Sunset Blvd., Gower St. and El Centro Ave. Properties in Los Angeles [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Number of buildings | property | 1
Building [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Depreciation life | 35 years
Tenant Improvements [Member] | Office Building [Member] | 12860 and 12830 El Camino Real, Del Mar, CA [Member] | In-process development projects - under construction [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Rentable square feet | 285,000
Tenant Improvements [Member] | Office Building [Member] | 333 Dexter Ave. North, South Lake Union, WA [Member] | In-process development projects - under construction [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Rentable square feet | 635,000
Tenant Improvements [Member] | Minimum [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Property depreciable lives | 1 year
Tenant Improvements [Member] | Maximum [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Property depreciable lives | 20 years

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- Definition Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column B)) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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- Definition Cost basis of real estate investments for federal income tax purposes for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Footnote 6 -Subsection 28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 6)) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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