Investments in Unconsolidated Entities and International Investments - Asian Joint Ventures (Details) - Premium Outlets - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Japan \| Mitsubishi Estate Co., Ltd.
Investment in Unconsolidated Entities
Ownership percentage	40.00%	40.00%
Our net (deficit) Investment in unconsolidated entities, at equity	$ 236.0	$ 231.2
South Korea \| Shinsegae International Co
Investment in Unconsolidated Entities
Ownership percentage	50.00%	50.00%
Our net (deficit) Investment in unconsolidated entities, at equity	$ 203.7	$ 200.6

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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