Financial Instruments and Fair Value Measurements - Schedule of Items Measured at Fair Value on Nonrecurring Basis (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Real Estate [Line Items]
Impairment charges		$ 3,686	$ 33,311	$ 3,686	$ 33,311
Fair Value, Measurements, Nonrecurring
Real Estate [Line Items]
Impairment charges	[1]					$ 33,311
Fair Value, Measurements, Nonrecurring | Acadia Realty Trust
Real Estate [Line Items]
Impairment charges	[1]					$ 7,702
Fair Value, Measurements, Nonrecurring | 146 Geary Street, San Francisco, CA | Fund IV | Level 3 Inputs Projections
Real Estate [Line Items]
Triggering Event				Reduced holding period		Reduced projected operating income
Impairment charges	[1]			$ 3,686		$ 12,435
Fair Value, Measurements, Nonrecurring | 146 Geary Street, San Francisco, CA | Acadia Realty Trust | Fund IV | Level 3 Inputs Projections
Real Estate [Line Items]
Impairment charges	[1]			$ 852		$ 2,875
Fair Value, Measurements, Nonrecurring | 717 N. Michigan Avenue, Chicago, IL | Fund IV | Level 3 Inputs Projections
Real Estate [Line Items]
Triggering Event						Reduced holding period and intended use
Impairment charges	[1]					$ 20,876
Fair Value, Measurements, Nonrecurring | 717 N. Michigan Avenue, Chicago, IL | Acadia Realty Trust | Fund IV | Level 3 Inputs Projections
Real Estate [Line Items]
Impairment charges	[1]					$ 4,827

[1] The fair value of 717 N. Michigan Avenue was based on an observable contract to sell the asset, less estimated costs to sell. The Company estimated the fair value of 146 Geary Street based on a discounted cash flow analysis using a range of discount rates from 5.00% to 7.75% and a range of capitalization rates from 4.25% to 5.75%. As significant inputs to the models are unobservable, the Company determined that the value determined for these properties falls within Level 3 of the fair value reporting hierarchy.