XML 24 R13.htm IDEA: XBRL DOCUMENT
v3.25.3

MAALP Capital | 9 Months Ended
--- | ---
Sep. 30, 2025
M A A L P Capital [Abstract] |
MAALP Capital | 5. MAALP Capital Changes in MAALP’s total capital and its components for the three months ended September 30, 2025 and 2024 were as follows (dollars in thousands):
|  | Mid-America Apartments, L.P. Unitholders’ Capital |  |  |  |  |  |  |
|  | General Partner |  |  | Limited Partners |  |  | Preferred Units |  |  | Accumulated Other Comprehensive Loss |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Partnership Capital |
CAPITAL BALANCE JUNE 30, 2025 |  | $ | 5,830,701 |  |  | $ | 147,439 |  |  | $ | 66,840 |  |  | $ | (6,206 | ) |  | $ | 30,472 |  |  | $ | 6,069,246 |
Net income |  |  | 98,616 |  |  |  | 2,506 |  |  |  | 922 |  |  |  | — |  |  |  | — |  |  |  | 102,044 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 430 |  |  |  | — |  |  |  | 430 |
Issuance of units |  |  | 144 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 144 |
Units repurchased and retired |  |  | (29 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (29 | )
General partner units issued in exchange for limited partner units |  |  | 391 |  |  |  | (391 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Redeemable units fair market value adjustment |  |  | 1,189 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,189 |
Adjustment for limited partners’ capital at redemption value |  |  | (68 | ) |  |  | 68 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | 3,620 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,620 |
Distributions to preferred unitholders |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | (922 | )
Distributions to common unitholders ($1.5150 per unit) |  |  | (177,377 | ) |  |  | (4,457 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (181,834 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 172 |  |  |  | 172 |
CAPITAL BALANCE SEPTEMBER 30, 2025 |  | $ | 5,757,187 |  |  | $ | 145,165 |  |  | $ | 66,840 |  |  | $ | (5,776 | ) |  | $ | 30,644 |  |  | $ | 5,994,060 |
|  | Mid-America Apartments, L.P. Unitholders’ Capital |  |  |  |  |  |  |
|  | General Partner |  |  | Limited Partners |  |  | Preferred Units |  |  | Accumulated Other Comprehensive Loss |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Partnership Capital |
CAPITAL BALANCE JUNE 30, 2024 |  | $ | 5,944,728 |  |  | $ | 157,905 |  |  | $ | 66,840 |  |  | $ | (7,922 | ) |  | $ | 24,662 |  |  | $ | 6,186,213 |
Net income |  |  | 114,273 |  |  |  | 3,035 |  |  |  | 922 |  |  |  | — |  |  |  | — |  |  |  | 118,230 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 428 |  |  |  | — |  |  |  | 428 |
Issuance of units |  |  | 8 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 8 |
General partner units issued in exchange for limited partner units |  |  | 926 |  |  |  | (926 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Redeemable units fair market value adjustment |  |  | (2,282 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,282 | )
Adjustment for limited partners’ capital at redemption value |  |  | (69 | ) |  |  | 69 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | 3,539 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,539 |
Distributions to preferred unitholders |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | (922 | )
Distributions to common unitholders ($1.4700 per unit) |  |  | (171,814 | ) |  |  | (4,521 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (176,335 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,696 |  |  |  | 2,696 |
CAPITAL BALANCE SEPTEMBER 30, 2024 |  | $ | 5,889,309 |  |  | $ | 155,562 |  |  | $ | 66,840 |  |  | $ | (7,494 | ) |  | $ | 27,358 |  |  | $ | 6,131,575 |
Changes in MAALP’s total capital and its components for the nine months ended September 30, 2025 and 2024 were as follows (dollars in thousands):
|  | Mid-America Apartments, L.P. Unitholders’ Capital |  |  |  |  |  |  |
|  | General Partner |  |  | Limited Partners |  |  | Preferred Units |  |  | Accumulated Other Comprehensive Loss |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Partnership Capital |
CAPITAL BALANCE DECEMBER 31, 2024 |  | $ | 5,882,336 |  |  | $ | 155,409 |  |  | $ | 66,840 |  |  | $ | (7,064 | ) |  | $ | 27,894 |  |  | $ | 6,125,415 |
Net income |  |  | 386,572 |  |  |  | 9,987 |  |  |  | 2,766 |  |  |  | — |  |  |  | — |  |  |  | 399,325 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,288 |  |  |  | — |  |  |  | 1,288 |
Issuance of units |  |  | (805 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (805 | )
Units repurchased and retired |  |  | (3,100 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,100 | )
Exercise of unit options |  |  | 38 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 38 |
General partner units issued in exchange for limited partner units |  |  | 6,759 |  |  |  | (6,759 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Units issued in exchange for redeemable stock |  |  | 2,109 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,109 |
Redeemable units fair market value adjustment |  |  | 2,018 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,018 |
Adjustment for limited partners’ capital at redemption value |  |  | (91 | ) |  |  | 91 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | 13,296 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,296 |
Distributions to preferred unitholders |  |  | — |  |  |  | — |  |  |  | (2,766 | ) |  |  | — |  |  |  | — |  |  |  | (2,766 | )
Distributions to common unitholders ($4.5450 per unit) |  |  | (531,945 | ) |  |  | (13,563 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (545,508 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,750 |  |  |  | 2,750 |
CAPITAL BALANCE SEPTEMBER 30, 2025 |  | $ | 5,757,187 |  |  | $ | 145,165 |  |  | $ | 66,840 |  |  | $ | (5,776 | ) |  | $ | 30,644 |  |  | $ | 5,994,060 |
|  | Mid-America Apartments, L.P. Unitholders’ Capital |  |  |  |  |  |  |
|  | General Partner |  |  | Limited Partners |  |  | Preferred Units |  |  | Accumulated Other Comprehensive Loss |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Partnership Capital |
CAPITAL BALANCE DECEMBER 31, 2023 |  | $ | 6,036,154 |  |  | $ | 163,128 |  |  | $ | 66,840 |  |  | $ | (8,942 | ) |  | $ | 22,756 |  |  | $ | 6,279,936 |
Net income |  |  | 358,131 |  |  |  | 9,605 |  |  |  | 2,766 |  |  |  | — |  |  |  | — |  |  |  | 370,502 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,448 |  |  |  | — |  |  |  | 1,448 |
Issuance of units |  |  | (789 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (789 | )
Units repurchased and retired |  |  | (4,974 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,974 | )
General partner units issued in exchange for limited partner units |  |  | 3,529 |  |  |  | (3,529 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Units issued in exchange for redeemable stock |  |  | 2,069 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,069 |
Redeemable units fair market value adjustment |  |  | (3,325 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,325 | )
Adjustment for limited partners’ capital at redemption value |  |  | 4 |  |  |  | (4 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | 13,869 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,869 |
Distributions to preferred unitholders |  |  | — |  |  |  | — |  |  |  | (2,766 | ) |  |  | — |  |  |  | — |  |  |  | (2,766 | )
Distributions to common unitholders ($4.4100 per unit) |  |  | (515,359 | ) |  |  | (13,638 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (528,997 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,602 |  |  |  | 4,602 |
CAPITAL BALANCE SEPTEMBER 30, 2024 |  | $ | 5,889,309 |  |  | $ | 155,562 |  |  | $ | 66,840 |  |  | $ | (7,494 | ) |  | $ | 27,358 |  |  | $ | 6,131,575 |

X
- Definition Consolidated Statements of Changes in Capital [Text Block] + References No definition available. + Details
Name: | maa_ConsolidatedStatementsOfChangesInCapitalTextBlock
Namespace Prefix: | maa_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition MAALP Capital [Abstract] + References No definition available. + Details
Name: | maa_MAALPCapitalAbstract
Namespace Prefix: | maa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration