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Organization (Details)	Jun. 30, 2025 ft² property
Real Estate Properties
Number of Properties | property	54
Net rentable area (in square feet) | ft²	19,150,509
Consolidated portfolio
Real Estate Properties
Number of Properties | property	50
Net rentable area (in square feet) | ft²	15,776,908
Consolidated portfolio | Office
Real Estate Properties
Number of Properties | property	41
Net rentable area (in square feet) | ft²	12,687,098
Consolidated portfolio | Studio
Real Estate Properties
Number of Properties | property	4
Net rentable area (in square feet) | ft²	1,473,568
Consolidated portfolio | Future development
Real Estate Properties
Number of Properties | property	5
Net rentable area (in square feet) | ft²	1,616,242
Unconsolidated portfolio
Real Estate Properties
Number of Properties | property	4
Net rentable area (in square feet) | ft²	3,373,601
Unconsolidated portfolio | Bentall Centre
Real Estate Properties
Joint venture, ownership (as a percent)	20.00%
Unconsolidated portfolio | Sunset Waltham Cross Studios
Real Estate Properties
Joint venture, ownership (as a percent)	35.00%
Unconsolidated portfolio | Sunset Pier 94 Studios
Real Estate Properties
Joint venture, ownership (as a percent)	51.00%
Joint venture, ownership (as a percent)	25.60%
Unconsolidated portfolio | Office
Real Estate Properties
Number of Properties | property	1
Net rentable area (in square feet) | ft²	1,524,254
Unconsolidated portfolio | Studio
Real Estate Properties
Number of Properties | property	1
Net rentable area (in square feet) | ft²	232,000
Unconsolidated portfolio | Future development
Real Estate Properties
Number of Properties | property	2
Net rentable area (in square feet) | ft²	1,617,347

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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