Investments in and Advances to Unconsolidated Affiliates - Schedule of Investments (Parenthetical) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		12 Months Ended
		Dec. 31, 2022		Nov. 07, 2022	Aug. 31, 2022	Dec. 31, 2021		Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
CECL allowance		$ 898			$ 500	$ 5,752
Unconsolidated VIE assets		4,302,582	[1],[2]			4,261,746	[1],[2]	$ 4,131,069
Total liabilities	[2]	$ 2,053,722				2,111,811
Dividends payable amount per share				$ 6.85
Cost method investments effective ownership interest		1.00%
1238 Wisconsin Avenue
Schedule of Equity Method Investments [Line Items]
Debt Instrument, Description of Variable Rate Basis		The loan is collateralized by the venture members' equity interest, bears interest at Prime + 1.0% subject to a 4.5% floor, and matures on December 28, 2023.
Shoppes at South Hills
Schedule of Equity Method Investments [Line Items]
Note receivable from related party		$ 31,700				31,700
Bridge Loan		31,700
CECL allowance		$ 200				0
Debt Instrument, Description of Variable Rate Basis		The loan bears interest at 8.0% and matures on February 6, 2023.
Equity method investment, ownership percentage		90.00%
Mervyns II
Schedule of Equity Method Investments [Line Items]
Cost method investments effective ownership, shares		4.1
Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Construction commitment		$ 5,300
Unconsolidated VIE assets		41,500				32,200
Total liabilities		49,200				41,900
Core Portfolio | 1238 Wisconsin Avenue
Schedule of Equity Method Investments [Line Items]
Construction commitment		12,800
Note receivable from related party		7,500				7,500
CECL allowance		$ 100				$ 0
Equity method investment, ownership percentage		80.00%

[1] Real estate at cost and total assets for the Funds segment include $663.4 million and $657.0 million, or $272.1 million and $190.9 million net of non-controlling interests, related to Fund II’s City Point property at December 31, 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") (Note 16). The consolidated balance sheets include the following amounts related to our consolidated VIEs that are consolidated by the Operating Partnership: $1,466.4 million and $1,482.6 million of Operating real estate, net; $129.9 million and $161.5 million of Real estate under development; $- and $0.7 million of Notes receivable, net; $210.9 million and $200.8 million of Investments in and advances to unconsolidated affiliates; $98.7 million and $94.3 million of Other assets, net; $2.5 million and $2.9 million of Right-of-use assets - operating leases, net; $13.3 million and $9.8 million of Cash and cash equivalents; $15.0 million and $9.8 million of Restricted cash; $17.9 million and $16.1 million of Rents receivable, net; $761.2 million and $948.0 million of Mortgage and other notes payable, net; $51.2 million and $162.8 million of Unsecured notes payable, net; $95.4 million and $96.2 million of Accounts payable and other liabilities; $2.7 million and $3.1 million of Lease liability- operating leases, net as of December 31, 2022 and 2021, respectively.