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Investment in Real Estate - Schedule of Dispositions (Details) - Disposed of by Sale $ in Millions |  |  |  |  |  |  | 12 Months Ended
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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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- Definition 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 + Details
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