Shareholders' Equity of MAA - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Jan. 31, 2023	Aug. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2021
Equity [Line Items]
Common stock, shares outstanding			116,694,124	115,480,336
Total common shares and operating partnership units outstanding			119,838,096	118,645,269
Common stock, shares authorized			145,000,000	145,000,000
Settled share amount	$ 1,100
Forward price per share	$ 185.23
Net proceeds	$ 203,700
At The Market Offering [Member]
Equity [Line Items]
Common stock shares sold			0	0	0
Remaining common stock to be issued			4,000,000
Maximum [Member] | At The Market Offering [Member]
Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized						4,000,000
Dividend And Distribution Reinvestment And Share Purchase Plan [Member]
Equity [Line Items]
Common stock issued for shareholders to reinvest distributions (shares)			9,787	6,547	6,301
Dividend And Distribution Reinvestment And Share Purchase Plan [Member] | Minimum [Member]
Equity [Line Items]
Optional cash investments in common shares			$ 250
Dividend And Distribution Reinvestment And Share Purchase Plan [Member] | Maximum [Member]
Equity [Line Items]
Optional cash investments in common shares			$ 5,000
Common stock, shares authorized			1,906,762
Discount rate on sale of common stock (percent)			5.00%
Equity Forward Sale Agreements [Member]
Equity [Line Items]
Stock Issued During Period, Shares, New Issues		1,100,000
Common stock, price per share		$ 190.56
Common shares attributable to dilutive effect of equity forward agreements			0	0
Noncontrolling Interest [Member]
Equity [Line Items]
Common Shares Issuable Upon Conversion Of Convertible Stock			3,143,972	3,164,933