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Investment in Real Estate - Schedule of Dispositions (Details) - Disposed of by Sale $ in Millions							12 Months Ended
	Dec. 10, 2024 USD ($) ft²	Dec. 27, 2023 USD ($) ft²	Nov. 21, 2023 USD ($) ft²	Aug. 25, 2023 USD ($) ft²	Aug. 24, 2023 USD ($) ft²	Feb. 06, 2023 USD ($) ft²	Dec. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Sales price							$ 918.0
(Loss) gain on sale							$ 103.2
3176 Porter
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Area of real estate property (in square feet) | ft²	46,759
Sales price	$ 24.8
(Loss) gain on sale	$ (2.2)
Skyway Landing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Area of real estate property (in square feet) | ft²						246,997
Sales price						$ 102.0
(Loss) gain on sale						$ 7.0
604 Arizona
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Area of real estate property (in square feet) | ft²					44,260
Sales price					$ 32.5
(Loss) gain on sale					$ 10.3
3401 Exposition
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Area of real estate property (in square feet) | ft²				63,376
Sales price				$ 40.0
(Loss) gain on sale				$ 5.8
Cloud10
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Area of real estate property (in square feet) | ft²			350,000
Sales price			$ 43.5
(Loss) gain on sale			$ 19.9
One Westside & Westside Two
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Area of real estate property (in square feet) | ft²		686,725
Sales price		$ 700.0
(Loss) gain on sale		$ 60.2

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Area of a real estate property.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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