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Investment in Unconsolidated Entities - Narrative (Details)		9 Months Ended		11 Months Ended
	Jan. 18, 2023 USD ($) interest_rate_swap property	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 15, 2023 USD ($)	Mar. 16, 2023 USD ($)
Variable Interest Entity [Line Items]
Gain on sale of investment real estate	$ 24,900,000
Distributions from unconsolidated entities		$ 0	$ 91,355,000
Gain on sale of derivatives	1,400,000
IAGM Retail Fund LLC
Variable Interest Entity [Line Items]
Gain on sale of derivatives	$ 2,600,000
Interest Rate Swap
Variable Interest Entity [Line Items]
Number of instruments acquired | interest_rate_swap	2
Notional amount	$ 75,000,000.0				$ 100,000,000.0
IAGM Retail Fund LLC
Variable Interest Entity [Line Items]
Ownership percentage	100.00%
Gain on sale of investment real estate	$ 45,200,000
Deferred gain on real estates		$ 39,900,000
IAGM
Variable Interest Entity [Line Items]
Number of properties acquired | property	4
Gross Acquisition Price	$ 222,300,000
Assumption of Mortgage Debt	$ 92,500,000
Distributions from unconsolidated entities				$ 71,400,000

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