Quarterly Financial Data (Unaudited) - Schedule of Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2021		Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020		Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Operating real estate, net	$ 3,219,373					$ 3,190,761
Real Estate Under Development	203,773					247,201
Net investments in real estate	3,423,146					3,437,962
Notes receivable, net	153,886					100,882					$ 114,943	$ 111,775
Investments in and advances to unconsolidated affiliates	322,326					272,829
Other assets, net	186,509					170,281
Right-of-use assets - operating leases, net	40,743					76,268					60,000
Cash and cash equivalents	17,746		$ 16,158	$ 33,079	$ 14,085	18,699		$ 15,345	$ 32,534	$ 22,315	14,149	20,074
Restricted cash	9,813		11,364	11,662	12,103	11,096		13,284	13,465	13,733	13,880	13,155
Rents receivable, net	43,625					43,052
Total assets	4,261,746	[1]				4,131,069	[1]				4,251,695
LIABILITIES
Mortgage and other notes payable, net	1,140,293					1,148,586
Unsecured notes payable, net	559,040					420,858
Unsecured line of credit	112,905					138,400
Accounts payable and other liabilities	236,415					268,442
Lease liability - operating leases, net	38,759					88,816					58,000
Dividends and distributions payable	14,460					147
Distributions in excess of income from, and investments in, unconsolidated affiliates	9,939					15,616
Total liabilities	2,111,811					2,080,865
Commitments and contingencies
Acadia Shareholders' Equity
Common shares, $0.001 par value, authorized 200,000,000 shares, issued and outstanding 85,989,836 shares	89					86
Additional paid-in capital	1,754,383					1,683,165
Accumulated other comprehensive loss	(36,214)					(74,891)
Distributions in excess of accumulated earnings	(196,645)					(167,321)
Total Acadia shareholders’ equity	1,521,613					1,441,039
Noncontrolling interests	628,322					609,165
Total equity	2,149,935					2,050,204					2,188,390	$ 2,082,757
Total liabilities and equity	$ 4,261,746					4,131,069
Previously Reported
ASSETS
Operating real estate, net			3,268,573	3,201,172	3,238,031	3,260,139		3,347,431	3,368,557	3,331,043	3,355,913
Real Estate Under Development			219,037	217,620	234,338	247,349		268,298	264,684	237,831	253,402
Net investments in real estate			3,487,610	3,418,792	3,472,369	3,507,488		3,615,729	3,633,241	3,568,874	3,609,315
Notes receivable, net			158,468	117,280	101,410	101,450		134,798	134,692	173,159	114,943
Investments in and advances to unconsolidated affiliates			305,668	258,063	256,332	249,807		240,414	250,825	294,195	305,097
Other assets, net			174,750	159,592	162,596	173,809		183,170	196,741	179,043	190,658
Right-of-use assets - operating leases, net			41,577	42,398	74,803	76,268			0	0	0
Cash and cash equivalents			17,359	34,645	15,424	19,232		16,108	34,273	23,404	15,845
Restricted cash			14,827	15,094	15,723	14,692		13,673	14,074	14,212	14,165
Rents receivable, net			44,386	43,748	46,356	44,136		47,516	64,902	52,251	59,091
Assets of properties held for sale					8,669
Total assets			4,244,645	4,089,612	4,153,682	4,186,882		4,251,408	4,328,748	4,305,138	4,309,114
LIABILITIES
Mortgage and other notes payable, net			1,181,028	1,162,617	1,188,695	1,125,356		1,159,688	1,161,577	1,170,622	1,170,076
Unsecured notes payable, net			503,966	440,088	420,960	500,083		502,500	472,507	480,658	477,320
Unsecured line of credit			102,905	61,405	105,400	138,400		127,400	177,400	174,700	60,800
Accounts payable and other liabilities			245,697	239,056	237,058	269,911		394,111	408,266	425,330	371,516
Lease liability - operating leases, net			39,743	40,861	87,910	88,816			0	0	0
Dividends and distributions payable			14,339	14,339	14,018	147		147	147	26,811	27,075
Distributions in excess of income from, and investments in, unconsolidated affiliates			15,456	14,896	15,272	15,616		15,462	15,520	15,457	15,362
Total liabilities			2,103,134	1,973,262	2,069,313	2,138,329		2,199,308	2,235,417	2,293,578	2,122,149
Acadia Shareholders' Equity
Common shares, $0.001 par value, authorized 200,000,000 shares, issued and outstanding 85,989,836 shares			88	88	86	86		86	86	86	87
Additional paid-in capital			1,733,448	1,730,686	1,683,552	1,683,165		1,695,338	1,693,006	1,686,794	1,706,357
Accumulated other comprehensive loss			(43,169)	(47,909)	(41,962)	(74,891)		(85,873)	(90,209)	(85,715)	(31,175)
Distributions in excess of accumulated earnings			(185,373)	(184,174)	(174,829)	(167,046)		(156,321)	(147,291)	(166,701)	(132,961)
Total Acadia shareholders’ equity			1,504,994	1,498,691	1,466,847	1,441,314		1,453,230	1,455,592	1,434,464	1,542,308
Noncontrolling interests			636,517	617,659	617,522	607,239		598,870	637,739	577,096	644,657
Total equity			2,141,511	2,116,350	2,084,369	2,048,553		2,052,100	2,093,331	2,011,560	2,186,965
Total liabilities and equity			4,244,645	4,089,612	4,153,682	4,186,882		4,251,408	4,328,748	4,305,138	4,309,114
Adjustments
ASSETS
Operating real estate, net			(69,334)	(69,819)	(70,111)	(69,378)		(69,825)	(69,895)	(67,995)	(127,888)
Real Estate Under Development					0	(148)		(55)	(183)	(6)	(6)
Net investments in real estate			(69,334)	(69,819)	(70,111)	(69,526)		(69,880)	(70,078)	(68,001)	(127,894)
Notes receivable, net			(3,619)	(2,819)	(1,950)	(568)					0
Investments in and advances to unconsolidated affiliates			21,828	22,177	22,028	23,022		15,248	15,074	14,814	14,453
Other assets, net			(3,477)	(3,798)	(3,774)	(3,528)		(3,466)	(3,353)	(1,978)	(2,225)
Right-of-use assets - operating leases, net					0				0	0	60,006
Cash and cash equivalents			(1,201)	(1,566)	(1,339)	(533)		(763)	(1,739)	(1,089)	(1,696)
Restricted cash			(3,463)	(3,432)	(3,620)	(3,596)		(389)	(609)	(479)	(285)
Rents receivable, net			(1,094)	(1,062)	(1,159)	(1,084)		(322)	(756)	1,431	222
Assets of properties held for sale					0
Total assets			(60,360)	(60,319)	(59,925)	(55,813)		(59,572)	(61,461)	(55,302)	(57,419)
LIABILITIES
Mortgage and other notes payable, net			(59,205)	(59,021)	(59,003)	23,230		(59,560)	(58,622)	(57,592)	(57,551)
Unsecured notes payable, net			53		0	(79,225)					0
Unsecured line of credit					0						0
Accounts payable and other liabilities			(1,686)	(1,910)	(2,361)	(1,469)		(2,519)	(4,953)	(1,643)	(58,055)
Lease liability - operating leases, net					0				0	0	56,762
Dividends and distributions payable					0						0
Distributions in excess of income from, and investments in, unconsolidated affiliates					0						0
Total liabilities			(60,838)	(60,931)	(61,364)	(57,464)		(62,079)	(63,575)	(59,235)	(58,844)
Acadia Shareholders' Equity
Common shares, $0.001 par value, authorized 200,000,000 shares, issued and outstanding 85,989,836 shares					0						0
Additional paid-in capital					0						0
Accumulated other comprehensive loss					0					(299)	(299)
Distributions in excess of accumulated earnings			(889)	(827)	(620)	(275)		(138)		49	58
Total Acadia shareholders’ equity			(889)	(827)	(620)	(275)		(138)		(348)	(357)
Noncontrolling interests			1,367	1,439	2,059	1,926		2,645	2,247	4,281	1,782
Total equity			478	612	1,439	1,651		2,507	2,114	3,933	1,425
Total liabilities and equity			(60,360)	(60,319)	(59,925)	(55,813)		(59,572)	(61,461)	(55,302)	(57,419)
As Restated
ASSETS
Operating real estate, net			3,199,239	3,131,353	3,167,920	3,190,761		3,277,606	3,298,662	3,263,048	3,228,025
Real Estate Under Development			219,037	217,620	234,338	247,201		268,243	264,501	237,825	253,396
Net investments in real estate			3,418,276	3,348,973	3,402,258	3,437,962		3,545,849	3,563,163	3,500,873	3,481,421
Notes receivable, net			154,849	114,461	99,460	100,882		134,798	134,692	173,159	114,943
Investments in and advances to unconsolidated affiliates			327,496	280,240	278,360	272,829		255,662	265,899	309,009	319,550
Other assets, net			171,273	155,794	158,822	170,281		179,704	193,388	177,065	188,433
Right-of-use assets - operating leases, net			41,577	42,398	74,803	76,268			0	0	60,006
Cash and cash equivalents			16,158	33,079	14,085	18,699		15,345	32,534	22,315	14,149
Restricted cash			11,364	11,662	12,103	11,096		13,284	13,465	13,733	13,880
Rents receivable, net			43,292	42,686	45,197	43,052		47,194	64,146	53,682	59,313
Assets of properties held for sale					8,669
Total assets			4,184,285	4,029,293	4,093,757	4,131,069		4,191,836	4,267,287	4,249,836	4,251,695
LIABILITIES
Mortgage and other notes payable, net			1,121,823	1,103,596	1,129,692	1,148,586		1,100,128	1,102,955	1,113,030	1,112,525
Unsecured notes payable, net			504,019	440,088	420,960	420,858		502,500	472,507	480,658	477,320
Unsecured line of credit			102,905	61,405	105,400	138,400		127,400	177,400	174,700	60,800
Accounts payable and other liabilities			244,011	237,146	234,697	268,442		391,592	403,313	423,687	313,461
Lease liability - operating leases, net			39,743	40,861	87,910	88,816			0	0	56,762
Dividends and distributions payable			14,339	14,339	14,018	147		147	147	26,811	27,075
Distributions in excess of income from, and investments in, unconsolidated affiliates			15,456	14,896	15,272	15,616		15,462	15,520	15,457	15,362
Total liabilities			2,042,296	1,912,331	2,007,949	2,080,865		2,137,229	2,171,842	2,234,343	2,063,305
Acadia Shareholders' Equity
Common shares, $0.001 par value, authorized 200,000,000 shares, issued and outstanding 85,989,836 shares			88	88	86	86		86	86	86	87
Additional paid-in capital			1,733,448	1,730,686	1,683,552	1,683,165		1,695,338	1,693,006	1,686,794	1,706,357
Accumulated other comprehensive loss			(43,169)	(47,909)	(41,962)	(74,891)		(85,873)	(90,209)	(86,014)	(31,474)
Distributions in excess of accumulated earnings			(186,262)	(185,001)	(175,449)	(167,321)		(156,459)	(147,424)	(166,750)	(133,019)
Total Acadia shareholders’ equity			1,504,105	1,497,864	1,466,227	1,441,039		1,453,092	1,455,459	1,434,116	1,541,951
Noncontrolling interests			637,884	619,098	619,581	609,165		601,515	639,986	581,377	646,439
Total equity			2,141,989	2,116,962	2,085,808	2,050,204		2,054,607	2,095,445	2,015,493	2,188,390
Total liabilities and equity			$ 4,184,285	$ 4,029,293	$ 4,093,757	$ 4,131,069		$ 4,191,836	$ 4,267,287	$ 4,249,836	$ 4,251,695

[1] Real estate at cost and total assets for the Funds segment include $657.0 million and $641.7 million, or $190.9 million and $186.5 million net of non-controlling interests, related to Fund II’s City Point property at December 31, 2021 and 2020, respectively.