Segment Reporting - Summary of Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenues	$ 326,290		$ 292,497		$ 250,908
Depreciation and amortization	(135,917)		(123,439)		(147,229)
Property operating expenses, other operating and real estate taxes	(101,927)		(98,873)		(98,028)
General and administrative expenses	(44,066)		(40,125)		(35,798)
Impairment charges	(33,311)		(9,925)		(85,598)
Gain on disposition of properties	57,161		10,521		683
Operating Income (loss)	68,230		30,656		(115,062)
Interest income	14,641		9,065		8,979
Equity in income (losses) of unconsolidated affiliates	(32,907)		5,330		(3,057)
Interest expense	(80,209)		(68,048)		(69,671)
Realized and unrealized holding gains (losses) on investments and other	(34,994)		49,120		113,362
Income tax provision	(12)		(93)		(269)
Net (loss) income	(65,251)		26,030		(65,718)
Net loss attributable to redeemable noncontrolling interests	5,536		0		0
Net loss (income) attributable to noncontrolling interests	24,270		(2,482)		56,742
Net (loss) income attributable to Acadia	(35,445)		23,548		(8,976)
Real estate at cost	4,253,010	[1]	4,071,607	[1]	4,011,326
Total Assets	4,302,582	[1],[2]	4,261,746	[1],[2]	4,131,069
Cash paid for acquisition of real estate	242,633		161,846		21,208
Cash paid for acquisition of real estate and leasehold interest					21,208
Cash paid for development and property improvement costs	51,046		40,671		36,579
Operating Segments | Core Portfolio
Segment Reporting Information [Line Items]
Total revenues	202,547		181,332		160,262
Depreciation and amortization	(75,614)		(69,103)		(76,125)
Property operating expenses, other operating and real estate taxes	(60,306)		(56,957)		(57,246)
General and administrative expenses	0		0		0
Impairment charges	0		0		(419)
Gain on disposition of properties	7,245		4,612		174
Operating Income (loss)	73,872		59,884		26,646
Interest income	0		0		0
Equity in income (losses) of unconsolidated affiliates	(45,919)		353		(874)
Interest expense	(37,892)		(29,454)		(33,185)
Realized and unrealized holding gains (losses) on investments and other	1,163		0		18,564
Income tax provision	0		0		0
Net (loss) income	(8,776)		30,783		11,151
Net loss attributable to redeemable noncontrolling interests	0		0		0
Net loss (income) attributable to noncontrolling interests	1,000		(2,276)		(5,837)
Net (loss) income attributable to Acadia	(7,776)		28,507		5,314
Real estate at cost	2,597,394	[1]	2,356,645	[1]	2,330,116
Total Assets	2,599,268	[1]	2,212,877	[1]	2,254,680
Cash paid for acquisition of real estate	242,633		26,176
Cash paid for acquisition of real estate and leasehold interest					19,963
Cash paid for development and property improvement costs	32,406		13,625		11,170
Operating Segments | Opportunity Funds
Segment Reporting Information [Line Items]
Total revenues	123,743		111,165		90,646
Depreciation and amortization	(60,303)		(54,336)		(71,104)
Property operating expenses, other operating and real estate taxes	(41,621)		(41,916)		(40,782)
General and administrative expenses	0		0		0
Impairment charges	(33,311)		(9,925)		(85,179)
Gain on disposition of properties	49,916		5,909		509
Operating Income (loss)	38,424		10,897		(105,910)
Interest income	0		0		0
Equity in income (losses) of unconsolidated affiliates	13,012		4,977		(2,183)
Interest expense	(42,317)		(38,594)		(36,486)
Realized and unrealized holding gains (losses) on investments and other	(35,559)		53,654		95,366
Income tax provision	0		0		0
Net (loss) income	(26,440)		30,934		(49,213)
Net loss attributable to redeemable noncontrolling interests	5,536		0		0
Net loss (income) attributable to noncontrolling interests	23,270		(206)		62,579
Net (loss) income attributable to Acadia	2,366		30,728		13,366
Real estate at cost	1,655,616	[1]	1,714,962	[1]	1,681,210
Total Assets	1,579,411	[1]	1,894,983	[1]	1,775,507
Cash paid for acquisition of real estate	0		135,670
Cash paid for acquisition of real estate and leasehold interest					1,245
Cash paid for development and property improvement costs	18,640		27,046		25,409
Operating Segments | Structured Financing
Segment Reporting Information [Line Items]
Total revenues	0		0		0
Depreciation and amortization	0		0		0
Property operating expenses, other operating and real estate taxes	0		0		0
General and administrative expenses	0		0		0
Impairment charges	0		0		0
Gain on disposition of properties	0		0		0
Operating Income (loss)	0		0
Interest income	14,641		9,065		8,979
Equity in income (losses) of unconsolidated affiliates	0		0		0
Interest expense	0		0		0
Realized and unrealized holding gains (losses) on investments and other	(598)		(4,534)		(568)
Income tax provision	0		0		0
Net (loss) income	14,043		4,531		8,411
Net loss attributable to redeemable noncontrolling interests	0		0		0
Net loss (income) attributable to noncontrolling interests	0		0		0
Net (loss) income attributable to Acadia	14,043		4,531		8,411
Real estate at cost	0	[1]	0	[1]	0
Total Assets	123,903	[1]	153,886	[1]	100,882
Cash paid for acquisition of real estate	0		0
Cash paid for acquisition of real estate and leasehold interest					0
Cash paid for development and property improvement costs	0		0		0
Unallocated
Segment Reporting Information [Line Items]
Total revenues	0		0		0
Depreciation and amortization	0		0		0
Property operating expenses, other operating and real estate taxes	0		0		0
General and administrative expenses	(44,066)		(40,125)		(35,798)
Impairment charges	0		0		0
Gain on disposition of properties	0		0		0
Operating Income (loss)	(44,066)		(40,125)		(35,798)
Interest income	0		0		0
Equity in income (losses) of unconsolidated affiliates	0		0		0
Interest expense	0		0		0
Realized and unrealized holding gains (losses) on investments and other	0		0		0
Income tax provision	(12)		(93)		(269)
Net (loss) income	(44,078)		(40,218)		(36,067)
Net loss attributable to redeemable noncontrolling interests	0		0		0
Net loss (income) attributable to noncontrolling interests	0		0		0
Net (loss) income attributable to Acadia	(44,078)		(40,218)		(36,067)
Real estate at cost	0	[1]	0	[1]	0
Total Assets	0	[1]	0	[1]	0
Cash paid for acquisition of real estate	0		0
Cash paid for acquisition of real estate and leasehold interest					0
Cash paid for development and property improvement costs	$ 0		$ 0		$ 0

[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.