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Investment in Unconsolidated Real Estate Entities - Schedule of Variable Interest Entities (Details) - VIE, not primary beneficiary - USD ($) $ in Millions	Dec. 31, 2024	Aug. 28, 2023
Sunset Waltham Cross Studios
Schedule of Equity Method Investments
Joint venture, ownership percentage (as a percent)	35.00%
Bentall Centre
Schedule of Equity Method Investments
Joint venture, ownership percentage (as a percent)	20.00%
Bentall Centre | Financial guarantee
Schedule of Equity Method Investments
Maximum exposure for guarantee	$ 90.1
Sunset Pier 94 Studios
Schedule of Equity Method Investments
Joint venture, ownership percentage (as a percent)	51.00%
Joint venture, ownership percentage (as a percent)	25.60%	26.00%
Sunset Pier 94 Studios | Financial guarantee
Schedule of Equity Method Investments
Maximum exposure for guarantee	$ 7.6
Sunset Pier 94 Studios
Schedule of Equity Method Investments
Joint venture, ownership percentage (as a percent)	50.10%

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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