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Acquisitions and Dispositions - Narrative (Details) $ in Thousands	1 Months Ended				2 Months Ended	12 Months Ended
	Sep. 30, 2024 USD ($)	Mar. 31, 2024 USD ($) multifamily_asset	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Oct. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal Statement Of Income, Extensible List, Not Disclosed Flag						consolidated statements of operations
Contract asset						$ 170,419	$ 0
Debt associated with property in receivership						177,667	0
Accrued interest associated with property in receivership						5,433	$ 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | First Stamford Place, Stamford, Connecticut
Business Acquisition [Line Items]
Recognized gain reflected in statement of operation						$ 13,300
Williamsburg Retail
Business Acquisition [Line Items]
Consideration paid			$ 26,400		$ 195,000
North 6th Street, Brooklyn
Business Acquisition [Line Items]
Consideration paid	$ 30,000
298 Mulberry
Business Acquisition [Line Items]
Consideration paid				$ 114,900
Victory (561 10th Avenue) and 345 East 94th Street
Business Acquisition [Line Items]
Consideration paid		$ 14,200
Proportion of interest acquired (as a percent)		10.00%
Number of businesses acquired | multifamily_asset		2
Business combination, in-place debt		$ 18,000

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