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Earnings Per Common Share of MAA - Schedule of Computation of Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Earnings Per Share Disclosure [Line Items] |  |  |
Net income |  | $ 186,406 | $ 147,610
Net income attributable to noncontrolling interests |  | (4,733) | (3,861)
Unvested restricted shares (allocation of earnings) |  | (96) | (62)
Dividends to MAA Series I preferred shareholders |  | (922) | (922)
Net income available for MAA common shareholders, adjusted |  | $ 180,655 | $ 142,765
Weighted average common shares - basic |  | 116,840 | 116,668
Earnings per common share - basic |  | $ 1.55 | $ 1.22
Net income attributable to noncontrolling interests | [1] | $ (4,733) | $ (3,861)
Dividends to MAA Series I preferred shareholders |  | (922) | (922)
Net income available for MAA common shareholders, adjusted |  | $ 180,751 | $ 142,827
Weighted average common shares - diluted |  | 117,092 | 116,780
Effect of dilutive securities |  | 252 | 112
Earnings per common share - diluted |  | $ 1.54 | $ 1.22
Limited Partnership Units [Member] |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 3,100 | 3,100
[1] | For the three months ended March 31, 2025 and 2024, 3.1 million OP Units and their related income are not included in the diluted earnings per share calculations as they are not dilutive.

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