Shareholders' Equity of MAA - Schedule of Cumulative Redeemable Preferred Stock (Details) - $ / shares		6 Months Ended		12 Months Ended
		Jun. 30, 2022		Dec. 31, 2021
Equity [Line Items]
Preferred Stock, Shares Outstanding		867,846		867,846
Preferred Stock, Liquidation Preference Per Share		$ 50.00	[1]	$ 50.00
Preferred Stock, Redemption Date		Oct. 01, 2026
Preferred Stock, Redemption Price Per Share	[2]	$ 50.00
Preferred Stock, Dividend Rate, Percentage		8.50%		8.50%
Preferred Stock, Dividend Rate, Per-Dollar-Amount		$ 4.25
Redeemable Preferred Stock [Member]
Equity [Line Items]
Preferred Stock, Shares Outstanding		867,846

[1] The total liquidation preference for the outstanding preferred stock is $43.4 million.

[2] The redemption price is the price at which the preferred stock is redeemable, at MAA’s option, for cash.