Earnings (Loss) Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income (loss) attributable to Acadia shareholders		$ 19,873	$ (35,445)	$ 23,548
Less: earnings attributable to unvested participating securities		(978)	(805)	(624)
Income (loss) from continuing operations net of income attributable to participating securities for basic earnings per share		18,895	(36,250)	22,924
Impact of City Point Loan share conversion option	[1]	0	(1,804)	0
Income from continuing operations net of income attributable to participating securities for diluted earnings per share		$ 18,895	$ (38,054)	$ 22,924
Denominator:
Weighted average shares for basic earnings (loss) per share		95,283,752	94,575,251	87,653,818
Weighted average shares for diluted earnings (loss) per share		95,283,752	94,643,466	87,653,818
Effect of dilutive securities:
Series A Preferred OP Units		0	0	0
Employee unvested restricted shares		0	0	0
City Point Loan common stock conversion option	[1]	0	68,215	0
Denominator for diluted earnings per share		95,283,752	94,643,466	87,653,818
Weighted average shares for basic earnings (loss) per share		$ 0.2	$ (0.38)	$ 0.26
Diluted earnings (loss) per Common Share from continuing operations attributable to Acadia		$ 0.2	$ (0.4)	$ 0.26
Series A Preferred OP Units
Anti-Dilutive Shares Excluded from Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)		188	188	188
Series A Preferred OP Units - Common Share Equivalent
Anti-Dilutive Shares Excluded from Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)		25,067	25,067	25,067
Series C Preferred OP Units
Anti-Dilutive Shares Excluded from Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)		126,384	126,384	126,593
Series C Preferred OP Units - Common Share Equivalent
Anti-Dilutive Shares Excluded from Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)		438,831	438,831	439,556
Restricted shares
Anti-Dilutive Shares Excluded from Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)		90,006	68,832	70,827

[1] The impact of the assumed conversion of dilutive convertible securities is related to the assumed conversion of potential common shares of the Company that could be subsequently issued in connection with the City Point Loan (Note 10) for the stub-period until the put rights were modified for a cash-only settlement option in the third quarter of 2022