Earnings Per Common Share of MAA - Schedule of Computation of Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share Disclosure [Line Items]
Net income		$ 104,662	$ 149,657	$ 252,272	$ 289,231
Net income attributable to noncontrolling interests		(2,709)	(3,969)	(6,570)	(7,633)
Unvested restricted shares (allocation of earnings)		(47)	(58)	(111)	(118)
Dividends to MAA Series I preferred shareholders		(922)	(922)	(1,844)	(1,844)
Income from continuing operations available for common shareholders, adjusted		$ 100,984	$ 144,708	$ 243,747	$ 279,636
Weighted average common shares - basic		116,783	116,621	116,727	116,401
Earnings per common share - basic		$ 0.86	$ 1.24	$ 2.09	$ 2.4
Net income attributable to noncontrolling interests	[1]	$ (2,709)	$ (3,969)	$ (6,570)	$ (7,633)
Unvested restricted shares (allocation of earnings)		(47)		(111)
Net income available for MAA common shareholders, adjusted		100,984	144,766	243,747	279,754
Dividends to MAA Series I preferred shareholders		$ (922)	$ (922)	$ (1,844)	$ (1,844)
Weighted average common shares - diluted		116,783	116,725	116,727	116,558
Effect of dilutive securities		0	104	0	157
Earnings per common share - diluted		$ 0.86	$ 1.24	$ 2.09	$ 2.4
Limited Partnership Units [Member]
Earnings Per Share Disclosure [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		3,100	3,200	3,100	3,200

[1] For the three and six months ended June 30, 2024 and 2023, 3.1 million OP Units and 3.2 million OP Units, respectively, and their related income are not included in the diluted earnings per share calculations as they are not dilutive.