Investments in Unconsolidated Entities and International Investments - Real Estate Joint Ventures and Investments (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) property	Jun. 30, 2023 USD ($) property
Investment in Unconsolidated Entities
Total number of joint venture properties \| property		82
Mortgages and unsecured indebtedness	$ 24,960,286	$ 24,990,480
Unconsolidated properties \| Discontinued Operations, Disposed of by Means Other than Sale [Member] \| Retail properties
Investment in Unconsolidated Entities
Number of properties disposed of during the period \| property	2
Gain on interest in unconsolidated entities	$ 19,900
Unconsolidated properties \| Non-recourse $99.6M Mortgage \| Discontinued Operations, Disposed of by Means Other than Sale [Member] \| Retail properties
Investment in Unconsolidated Entities
Mortgages and unsecured indebtedness	99,600
Unconsolidated properties \| Non-recourse $83.1M Mortgage \| Discontinued Operations, Disposed of by Means Other than Sale [Member] \| Retail properties
Investment in Unconsolidated Entities
Mortgages and unsecured indebtedness	83,100
Construction and other related party loans
Investment in Unconsolidated Entities
Loans to related party	$ 112,000	$ 109,800

This item represents non-cash gains (losses) of its investee to which equity method of accounting is applied.

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The number of properties owned via a joint venture and accounted for using the equity method of accounting.

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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