Shareholders' Equity of MAA - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Jan. 31, 2023	Aug. 31, 2021	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Equity [Line Items]
Common stock, shares outstanding			116,858,044	116,694,124	116,676,966
Total common shares and operating partnership units outstanding			119,951,751		119,831,650
Settled share amount	1,100,000
Forward price per share	$ 185.23
Net proceeds	$ 203.7
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
Noncontrolling Interest [Member]
Equity [Line Items]
Common Shares Issuable Upon Conversion Of Convertible Stock			3,093,707		3,154,684