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MAA Equity | 3 Months Ended
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Mar. 31, 2021
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, 2021 and 2020 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, 2020 |  | $ | 9 |  |  | $ | 1,141 |  |  | $ | 7,176,793 |  |  | $ | (1,294,182 | ) |  | $ | (12,128 | ) |  | $ | 206,927 |  |  | $ | 9,848 |  |  | $ | 6,088,408 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 47,193 |  |  |  | — |  |  |  | 1,671 |  |  |  | — |  |  |  | 48,864 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 269 |  |  |  | 10 |  |  |  | — |  |  |  | 279 |
Issuance and registration of common shares |  |  | — |  |  |  | 1 |  |  |  | 133 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 134 |
Shares repurchased and retired |  |  | — |  |  |  | — |  |  |  | (1,730 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,730 | )
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | 1,466 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,466 |
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 232 |  |  |  | — |  |  |  | — |  |  |  | (232 | ) |  |  | — |  |  |  | — |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,158 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,158 | )
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | (116 | ) |  |  | — |  |  |  | — |  |  |  | 116 |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 5,993 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5,993 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($1.0250 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (117,278 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (117,278 | )
Dividends on noncontrolling interests units ($1.0250 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,156 | ) |  |  | — |  |  |  | (4,156 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 633 |  |  |  | 633 |
EQUITY BALANCE MARCH 31, 2021 |  | $ | 9 |  |  | $ | 1,142 |  |  | $ | 7,182,771 |  |  | $ | (1,367,347 | ) |  | $ | (11,859 | ) |  | $ | 204,336 |  |  | $ | 10,481 |  |  | $ | 6,019,533 |
|  | 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, 2019 |  | $ | 9 |  |  | $ | 1,140 |  |  | $ | 7,166,073 |  |  | $ | (1,085,479 | ) |  | $ | (13,178 | ) |  | $ | 214,647 |  |  | $ | 6,247 |  |  | $ | 6,289,459 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 36,648 |  |  |  | — |  |  |  | 1,304 |  |  |  | — |  |  |  | 37,952 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 244 |  |  |  | 9 |  |  |  | — |  |  |  | 253 |
Issuance and registration of common shares |  |  | — |  |  |  | — |  |  |  | 39 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 39 |
Shares repurchased and retired |  |  | — |  |  |  | — |  |  |  | (1,727 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,727 | )
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | 71 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 71 |
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 450 |  |  |  | — |  |  |  | — |  |  |  | (450 | ) |  |  | — |  |  |  | — |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,111 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,111 |
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | (47 | ) |  |  | — |  |  |  | — |  |  |  | 47 |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 5,289 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5,289 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($1.0000 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (114,302 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (114,302 | )
Dividends on noncontrolling interests units ($1.0000 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,059 | ) |  |  | — |  |  |  | (4,059 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 401 |  |  |  | 401 |
EQUITY BALANCE MARCH 31, 2020 |  | $ | 9 |  |  | $ | 1,140 |  |  | $ | 7,170,148 |  |  | $ | (1,160,944 | ) |  | $ | (12,934 | ) |  | $ | 211,498 |  |  | $ | 6,648 |  |  | $ | 6,215,565 |

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- Definition Consolidated Statements of Equity [Text Block] + References No definition available. + Details
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- Definition MAA Equity. + References No definition available. + Details
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