Investments in and Advances to Unconsolidated Affiliates - Unconsolidated Affiliates - Schedule of Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2022		Dec. 31, 2021		Sep. 30, 2021
Combined and Condensed Balance Sheets
Real estate under development	$ 186,360		$ 203,773
Other assets, net	234,558		186,509
Total VIE assets	4,363,498	[1],[2]	4,261,746	[2]	$ 4,184,285
Total liabilities and equity	4,363,498		4,261,746
Investments carried at fair value or cost	3,994		3,811
Company's share of distributions in excess of income from and investments in unconsolidated affiliates	8,880		9,939
Investments in and advances to unconsolidated affiliates	317,422		322,326
Unconsolidated Affiliates
Combined and Condensed Balance Sheets
Rental property, net	681,799		631,661
Real estate under development	14,387		8,112
Other assets, net	133,731		78,300
Total VIE assets	829,917		718,073
Mortgage notes payable	624,043		571,461
Other liabilities	99,566		69,166
Partners’ equity	106,308		77,446
Total liabilities and equity	829,917		718,073
Company's share of accumulated equity	145,270		113,285
Basis differential	53,061		66,031
Deferred fees, net of portion related to the Company's interest	3,674		4,071
Amounts receivable/payable by the Company	175		666
Investments in and advances to unconsolidated affiliates, net of Company's share of distributions in excess of income from and investments in unconsolidated affiliates	202,180		184,053
Investments carried at fair value or cost	106,362		128,334
Company's share of distributions in excess of income from and investments in unconsolidated affiliates	8,880		9,939
Investments in and advances to unconsolidated affiliates	$ 317,422		$ 322,326

[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).