Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Liabilities	[1]		$ 1,838,931	$ 2,157,598
Contractual obligation			97,400	15,800
Contractual obligation for tenant improvements			41,400	25,700
Tenant improvements share amount			32,300	14,600
Company related obligations			95,200	12,500
Letters of credit, outstanding amount			2,000	2,000
Revenue from forfeiture of non refundable payments		$ 3,500
Fund IV
Loss Contingencies [Line Items]
Principal payment			72,500
La Frontera Village Member
Loss Contingencies [Line Items]
Mortgage loan			57,000
Liabilities			$ 200	$ 200

[1] 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: $1,640.1 million and $1,679.8 million of Operating real estate, net; $31.5 million and $28.9 million of Real estate under development; $74.4 million and $92.8 million of Investments in and advances to unconsolidated affiliates; $79.4 million and $101.7 million of Other assets, net; $2.0 million and $2.1 million of Right-of-use assets - operating leases, net; $15.9 million and $10.8 million of Cash and cash equivalents; $11.0 million and $7.0 million of Restricted cash; $27.3 million and $21.4 million of Rents receivable, net; $799.7 million and $764.6 million of property mortgage loans and other notes payable, net; $0.0 million and $80.5 million of Unsecured notes payable, net; $120.1 million and $127.2 million of Accounts payable and other liabilities; $2.1 million and $2.2 million of Lease liability- operating leases as of December 31, 2024 and 2023, respectively.