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Shareholders' Equity of MAA - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jan. 31, 2023 | Aug. 31, 2021 | Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Equity [Line Items] |  |  |  |  |
Common stock, shares outstanding |  |  | 116,728,052 | 116,600,756 | 116,694,124
Total common shares and operating partnership units outstanding |  |  | 119,860,604 | 119,756,455 |
Settled share amount | $ 1.1 |  |  |  |
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 |  |  |
At The Market Offering [Member] |  |  |  |  |
Equity [Line Items] |  |  |  |  |
Common stock shares sold |  |  | 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 |  |
Noncontrolling Interest [Member] |  |  |  |  |
Equity [Line Items] |  |  |  |  |
Common Shares Issuable Upon Conversion Of Convertible Stock |  |  | 3,132,552 | 3,155,699 |

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