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MAA Equity | 3 Months Ended
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Mar. 31, 2025
M A A Equity [Abstract] |
MAA Equity | 4. MAA Equity Changes in MAA’s total equity and its components for the three months ended March 31, 2025 and 2024 were as follows (dollars in thousands):
|  | Mid-America Apartment Communities, Inc. Shareholders’ Equity |  |  |  |  |  |  |  |  |  |
|  | Preferred Stock |  |  | Common Stock |  |  | Additional Paid-In Capital |  |  | Accumulated Distributions in Excess of Net Income |  |  | Accumulated Other Comprehensive Loss |  |  | Noncontrolling Interests - Operating Partnership |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Equity |
EQUITY BALANCE DECEMBER 31, 2024 |  | $ | 9 |  |  | $ | 1,166 |  |  | $ | 7,417,453 |  |  | $ | (1,469,557 | ) |  | $ | (6,940 | ) |  | $ | 155,409 |  |  | $ | 27,894 |  |  | $ | 6,125,434 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 181,673 |  |  |  | — |  |  |  | 4,733 |  |  |  | — |  |  |  | 186,406 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 418 |  |  |  | 11 |  |  |  | — |  |  |  | 429 |
Issuance and registration of common shares |  |  | — |  |  |  | — |  |  |  | 157 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 157 |
Shares repurchased and retired |  |  | — |  |  |  | — |  |  |  | (1,302 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,302 | )
Exercise of stock options |  |  | — |  |  |  |  |  |  | 38 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 38 |
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 759 |  |  |  | — |  |  |  | — |  |  |  | (759 | ) |  |  | — |  |  |  | — |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,895 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,895 | )
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | (53 | ) |  |  | — |  |  |  | — |  |  |  | 53 |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 5,861 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5,861 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($1.5150 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (177,157 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (177,157 | )
Distributions on noncontrolling interests units ($1.5150 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,637 | ) |  |  | — |  |  |  | (4,637 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,058 |  |  |  | 1,058 |
EQUITY BALANCE MARCH 31, 2025 |  | $ | 9 |  |  | $ | 1,166 |  |  | $ | 7,422,913 |  |  | $ | (1,467,858 | ) |  | $ | (6,522 | ) |  | $ | 154,810 |  |  | $ | 28,952 |  |  | $ | 6,133,470 |
|  | Mid-America Apartment Communities, Inc. Shareholders’ Equity |  |  |  |  |  |  |  |  |  |
|  | Preferred Stock |  |  | Common Stock |  |  | Additional Paid-In Capital |  |  | Accumulated Distributions in Excess of Net Income |  |  | Accumulated Other Comprehensive Loss |  |  | Noncontrolling Interests - Operating Partnership |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Equity |
EQUITY BALANCE DECEMBER 31, 2023 |  | $ | 9 |  |  | $ | 1,168 |  |  | $ | 7,399,921 |  |  | $ | (1,298,263 | ) |  | $ | (8,764 | ) |  | $ | 163,128 |  |  | $ | 22,756 |  |  | $ | 6,279,955 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 143,749 |  |  |  | — |  |  |  | 3,861 |  |  |  | — |  |  |  | 147,610 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 501 |  |  |  | 16 |  |  |  | — |  |  |  | 517 |
Issuance and registration of common shares |  |  | — |  |  |  | — |  |  |  | 93 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 93 |
Shares repurchased and retired |  |  | — |  |  |  | — |  |  |  | (842 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (842 | )
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 594 |  |  |  | — |  |  |  | — |  |  |  | (594 | ) |  |  | — |  |  |  | — |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 402 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 402 |
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | (102 | ) |  |  | — |  |  |  | — |  |  |  | 102 |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 6,525 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 6,525 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($1.4700 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (171,620 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (171,620 | )
Distributions on noncontrolling interests units ($1.4700 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,604 | ) |  |  | — |  |  |  | (4,604 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 276 |  |  |  | 276 |
EQUITY BALANCE MARCH 31, 2024 |  | $ | 9 |  |  | $ | 1,168 |  |  | $ | 7,406,189 |  |  | $ | (1,326,654 | ) |  | $ | (8,263 | ) |  | $ | 161,909 |  |  | $ | 23,032 |  |  | $ | 6,257,390 |

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- Definition Consolidated Statements of Equity [Text Block] + References No definition available. + Details
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Namespace Prefix: | maa_
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Balance Type: | na
Period Type: | duration

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- Definition MAA Equity. + References No definition available. + Details
Name: | maa_MAAEquityAbstract
Namespace Prefix: | maa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration