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, 2025	Dec. 31, 2024	Dec. 31, 2023
Equity [Line Items]
Common stock, shares outstanding			116,878,077	116,883,421
Common Shares Issuable Upon Conversion Of Convertible Stock			2,941,839	3,075,552
Total common shares and operating partnership units outstanding			119,819,916	119,958,973
Common stock, shares authorized			145,000,000	145,000,000
Settled share amount	1,100,000
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]
Common stock shares sold			4,000,000
Dividend And Distribution Reinvestment And Share Purchase Plan [Member]
Equity [Line Items]
Common stock issued for shareholders to reinvest distributions (shares)			10,006	10,610	9,787
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
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