Organization, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Included in Consolidated Balance Sheets (Parenthetical) (Details) - USD ($) $ in Thousands		Sep. 30, 2022		Dec. 31, 2021		Sep. 30, 2021
Variable Interest Entity [Line Items]
Maximum borrowing capacity		$ 900,000		$ 0
Restricted asset		4,363,498	[1],[2]	4,261,746	[2]	$ 4,184,285
Resource liabilities	[2]	2,082,295		2,111,811
VIE
Variable Interest Entity [Line Items]
Restricted asset		1,987,023		1,978,555
Resource liabilities		918,090		1,210,162
VIE | City Point
Variable Interest Entity [Line Items]
Maximum borrowing capacity		72,700
Restricted asset		680,600		4,300
VIE | City Point | Resource
Variable Interest Entity [Line Items]
Resource liabilities		$ 202,400		$ 393,900

[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).