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MAA Equity | 6 Months Ended
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Jun. 30, 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 June 30, 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 MARCH 31, 2025 |  | $ | 9 |  |  | $ | 1,166 |  |  | $ | 7,422,913 |  |  | $ | (1,467,858 | ) |  | $ | (6,522 | ) |  | $ | 154,810 |  |  | $ | 28,952 |  |  | $ | 6,133,470 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 108,127 |  |  |  | — |  |  |  | 2,748 |  |  |  | — |  |  |  | 110,875 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 412 |  |  |  | 17 |  |  |  | — |  |  |  | 429 |
Issuance and registration of common shares |  |  | — |  |  |  | 1 |  |  |  | (1,107 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,106 | )
Shares repurchased and retired |  |  | — |  |  |  |  |  |  | (1,769 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,769 | )
Shares issued in exchange for common units |  |  | — |  |  |  | 1 |  |  |  | 5,608 |  |  |  | — |  |  |  | — |  |  |  | (5,609 | ) |  |  | — |  |  |  | — |
Shares issued in exchange for redeemable stock |  |  | — |  |  |  | — |  |  |  | 2,109 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,109 |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,724 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,724 |
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | 58 |  |  |  | — |  |  |  | — |  |  |  | (58 | ) |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 3,815 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,815 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($1.5150 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (177,411 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (177,411 | )
Distributions on noncontrolling interests units ($1.5150 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,469 | ) |  |  | — |  |  |  | (4,469 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,520 |  |  |  | 1,520 |
EQUITY BALANCE JUNE 30, 2025 |  | $ | 9 |  |  | $ | 1,168 |  |  | $ | 7,431,627 |  |  | $ | (1,535,340 | ) |  | $ | (6,110 | ) |  | $ | 147,439 |  |  | $ | 30,472 |  |  | $ | 6,069,265 |
|  | 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 MARCH 31, 2024 |  | $ | 9 |  |  | $ | 1,168 |  |  | $ | 7,406,189 |  |  | $ | (1,326,654 | ) |  | $ | (8,263 | ) |  | $ | 161,909 |  |  | $ | 23,032 |  |  | $ | 6,257,390 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 101,953 |  |  |  | — |  |  |  | 2,709 |  |  |  | — |  |  |  | 104,662 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 488 |  |  |  | 15 |  |  |  | — |  |  |  | 503 |
Issuance and registration of common shares |  |  | — |  |  |  | 2 |  |  |  | (892 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (890 | )
Shares repurchased and retired |  |  | — |  |  |  | (1 | ) |  |  | (4,131 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,132 | )
Shares issued in exchange for common units |  |  | — |  |  |  | 1 |  |  |  | 2,008 |  |  |  | — |  |  |  | — |  |  |  | (2,009 | ) |  |  | — |  |  |  | — |
Shares issued in exchange for redeemable stock |  |  | — |  |  |  | (4 | ) |  |  | 2,073 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,069 |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,445 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,445 | )
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | 206 |  |  |  | — |  |  |  | — |  |  |  | (206 | ) |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 3,805 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,805 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($1.4700 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (171,925 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (171,925 | )
Distributions on noncontrolling interests units ($1.4700 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,513 | ) |  |  | — |  |  |  | (4,513 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,630 |  |  |  | 1,630 |
EQUITY BALANCE JUNE 30, 2024 |  | $ | 9 |  |  | $ | 1,166 |  |  | $ | 7,409,258 |  |  | $ | (1,398,993 | ) |  | $ | (7,775 | ) |  | $ | 157,905 |  |  | $ | 24,662 |  |  | $ | 6,186,232 |
Changes in MAA’s total equity and its components for the six months ended June 30, 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 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 289,800 |  |  |  | — |  |  |  | 7,481 |  |  |  | — |  |  |  | 297,281 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 830 |  |  |  | 28 |  |  |  | — |  |  |  | 858 |
Issuance and registration of common shares |  |  | — |  |  |  | 1 |  |  |  | (950 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (949 | )
Shares repurchased and retired |  |  | — |  |  |  |  |  |  | (3,071 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,071 | )
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | 38 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 38 |
Shares issued in exchange for common units |  |  | — |  |  |  | 1 |  |  |  | 6,367 |  |  |  | — |  |  |  | — |  |  |  | (6,368 | ) |  |  | — |  |  |  | — |
Shares issued in exchange for redeemable stock |  |  | — |  |  |  | — |  |  |  | 2,109 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,109 |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 829 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 829 |
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | 5 |  |  |  | — |  |  |  | — |  |  |  | (5 | ) |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 9,676 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 9,676 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,844 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,844 | )
Dividends on common stock ($3.0300 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (354,568 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (354,568 | )
Distributions on noncontrolling interests units ($3.0300 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (9,106 | ) |  |  | — |  |  |  | (9,106 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,578 |  |  |  | 2,578 |
EQUITY BALANCE JUNE 30, 2025 |  | $ | 9 |  |  | $ | 1,168 |  |  | $ | 7,431,627 |  |  | $ | (1,535,340 | ) |  | $ | (6,110 | ) |  | $ | 147,439 |  |  | $ | 30,472 |  |  | $ | 6,069,265 |
|  | 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 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 245,702 |  |  |  | — |  |  |  | 6,570 |  |  |  | — |  |  |  | 252,272 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 989 |  |  |  | 31 |  |  |  | — |  |  |  | 1,020 |
Issuance and registration of common shares |  |  | — |  |  |  | 2 |  |  |  | (799 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (797 | )
Shares repurchased and retired |  |  | — |  |  |  | (1 | ) |  |  | (4,973 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,974 | )
Shares issued in exchange for common units |  |  | — |  |  |  | 1 |  |  |  | 2,602 |  |  |  | — |  |  |  | — |  |  |  | (2,603 | ) |  |  | — |  |  |  | — |
Shares issued in exchange for redeemable stock |  |  | — |  |  |  | (4 | ) |  |  | 2,073 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,069 |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,043 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,043 | )
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | 104 |  |  |  | — |  |  |  | — |  |  |  | (104 | ) |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 10,330 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 10,330 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,844 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,844 | )
Dividends on common stock ($2.9400 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (343,545 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (343,545 | )
Distributions on noncontrolling interests units ($2.9400 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (9,117 | ) |  |  | — |  |  |  | (9,117 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,906 |  |  |  | 1,906 |
EQUITY BALANCE JUNE 30, 2024 |  | $ | 9 |  |  | $ | 1,166 |  |  | $ | 7,409,258 |  |  | $ | (1,398,993 | ) |  | $ | (7,775 | ) |  | $ | 157,905 |  |  | $ | 24,662 |  |  | $ | 6,186,232 |

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- Definition Consolidated Statements of Equity [Text Block] + References No definition available. + Details
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Namespace Prefix: | maa_
Data Type: | dtr-types:textBlockItemType
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