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Organization - Schedule of Company's Portfolio (Details)	Dec. 31, 2024 ft² property	Aug. 28, 2023
Real Estate Properties
Number of Properties | property	57
Net rentable area (in square feet) | ft²	19,572,756
Consolidated portfolio
Real Estate Properties
Number of Properties | property	53
Net rentable area (in square feet) | ft²	16,186,250
Consolidated portfolio | Office
Real Estate Properties
Number of Properties | property	44
Net rentable area (in square feet) | ft²	13,092,596
Consolidated portfolio | Studio
Real Estate Properties
Number of Properties | property	4
Net rentable area (in square feet) | ft²	1,477,412
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	3,386,506
Unconsolidated portfolio | Bentall Centre
Real Estate Properties
Joint venture, ownership percentage (as a percent)	20.00%
Unconsolidated portfolio | Sunset Waltham Cross Studios
Real Estate Properties
Joint venture, ownership percentage (as a percent)	35.00%
Unconsolidated portfolio | Sunset Pier 94 Studios
Real Estate Properties
Joint venture, ownership percentage (as a percent)	51.00%
Joint venture, ownership percentage (as a percent)	25.60%	26.00%
Unconsolidated portfolio | Office
Real Estate Properties
Number of Properties | property	1
Net rentable area (in square feet) | ft²	1,537,159
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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+ References

Reference 1: 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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