Segment Reporting - Summary of Segment Information (Parenthetical) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021	Sep. 30, 2022		Sep. 30, 2021	Dec. 31, 2021	[2]
Segment Reporting Information [Line Items]
Real estate at cost	[1]	$ 4,265,422		$ 4,065,994	$ 4,265,422		$ 4,065,994
Total assets		4,363,498	[1],[2]	4,184,285	4,363,498	[1],[2]	4,184,285	$ 4,261,746
Net loss (income) attributable to noncontrolling interests		(30,461)		$ 19,065	(18,653)		11,686
Funds | Fund II's City Point Property
Segment Reporting Information [Line Items]
Real estate at cost		661,700			661,700
Total assets		$ 654,000			654,000
Net loss (income) attributable to noncontrolling interests					$ 418,500		$ 190,000

[1] Real estate at cost and total assets for the Funds segment include $661.7 million and $654.0 million, or $418.5 million and $190.0 million net of non-controlling interests, related to Fund II’s City Point property at September 30, 2022 and 2021, respectively.

[2] Represents the consolidated assets and liabilities of Acadia Realty Limited Partnership (the "Operating Partnership"), which is a consolidated variable interest entity ("VIE"). As of September 30, 2022, the assets and liabilities of the Operating Partnership includes $2.0 billion and $0.9 billion of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. As of December 31, 2021, the assets and liabilities of the Operating Partnership includes $2.0 billion and $1.2 billion of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership (Note 1).