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MAA Equity | 9 Months Ended
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Sep. 30, 2019
M A A Equity [Abstract] |
MAA Equity | 4.MAA Equity Changes in total equity and its components for the three months ended September 30, 2019 and 2018 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 JUNE 30, 2019 |  | $ | 9 |  |  | $ | 1,138 |  |  | $ | 7,146,076 |  |  | $ | (1,086,665 | ) |  | $ | (9,092 | ) |  | $ | 215,404 |  |  | $ | 5,656 |  |  | $ | 6,272,526 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 78,645 |  |  |  | — |  |  |  | 2,814 |  |  |  | — |  |  |  | 81,459 |
Other comprehensive loss - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (5,778 | ) |  |  | (195 | ) |  |  | — |  |  |  | (5,973 | )
Issuance and registration of common shares |  |  | — |  |  |  | — |  |  |  | 140 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 140 |
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | (204 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (204 | )
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 836 |  |  |  | — |  |  |  | — |  |  |  | (836 | ) |  |  | — |  |  |  | — |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,269 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,269 | )
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | (272 | ) |  |  | — |  |  |  | — |  |  |  | 272 |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 3,313 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,313 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($0.9600 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (109,503 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (109,503 | )
Dividends on noncontrolling interests units ($0.9600 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,912 | ) |  |  | — |  |  |  | (3,912 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 955 |  |  |  | 955 |
EQUITY BALANCE SEPTEMBER 30, 2019 |  | $ | 9 |  |  | $ | 1,138 |  |  | $ | 7,149,889 |  |  | $ | (1,119,714 | ) |  | $ | (14,870 | ) |  | $ | 213,547 |  |  | $ | 6,611 |  |  | $ | 6,236,610 |
|  | 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 Income |  |  | Noncontrolling Interests - Operating Partnership |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Equity |
EQUITY BALANCE JUNE 30, 2018 |  | $ | 9 |  |  | $ | 1,136 |  |  | $ | 7,130,902 |  |  | $ | (887,672 | ) |  | $ | 7,986 |  |  | $ | 224,813 |  |  | $ | 2,306 |  |  | $ | 6,479,480 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 52,791 |  |  |  | — |  |  |  | 1,913 |  |  |  | — |  |  |  | 54,704 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,570 |  |  |  | 127 |  |  |  | — |  |  |  | 3,697 |
Issuance and registration of common shares |  |  | — |  |  |  | — |  |  |  | (35 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (35 | )
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | 291 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 291 |
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 1,165 |  |  |  | — |  |  |  | — |  |  |  | (1,165 | ) |  |  | — |  |  |  | — |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 48 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 48 |
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | 266 |  |  |  | — |  |  |  | — |  |  |  | (266 | ) |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 2,890 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,890 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (922 | )
Dividends on common stock ($0.9225 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (105,018 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (105,018 | )
Dividends on noncontrolling interests units ($0.9225 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,581 | ) |  |  | — |  |  |  | (3,581 | )
EQUITY BALANCE SEPTEMBER 30, 2018 |  | $ | 9 |  |  | $ | 1,136 |  |  | $ | 7,135,479 |  |  | $ | (940,773 | ) |  | $ | 11,556 |  |  | $ | 221,841 |  |  | $ | 2,306 |  |  | $ | 6,431,554 |
Changes in total equity and its components for the nine months ended September 30, 2019 and 2018 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, 2018 |  | $ | 9 |  |  | $ | 1,136 |  |  | $ | 7,138,170 |  |  | $ | (989,263 | ) |  | $ | (212 | ) |  | $ | 220,043 |  |  | $ | 2,306 |  |  | $ | 6,372,189 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 204,222 |  |  |  | — |  |  |  | 7,336 |  |  |  | — |  |  |  | 211,558 |
Other comprehensive loss - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (14,658 | ) |  |  | (520 | ) |  |  | — |  |  |  | (15,178 | )
Issuance and registration of common shares |  |  | — |  |  |  | 2 |  |  |  | 748 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 750 |
Shares repurchased and retired |  |  | — |  |  |  | — |  |  |  | (3,724 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,724 | )
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | 1,036 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,036 |
Shares issued in exchange for common units |  |  | — |  |  |  | — |  |  |  | 1,993 |  |  |  | — |  |  |  | — |  |  |  | (1,993 | ) |  |  | — |  |  |  | — |
Shares issued in exchange for redeemable stock |  |  | — |  |  |  | — |  |  |  | 575 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 575 |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,455 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3,455 | )
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | (459 | ) |  |  | — |  |  |  | — |  |  |  | 459 |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 11,550 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11,550 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,766 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,766 | )
Dividends on common stock ($2.8800 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (328,452 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (328,452 | )
Dividends on noncontrolling interests units ($2.8800 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (11,778 | ) |  |  | — |  |  |  | (11,778 | )
Contribution from noncontrolling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,305 |  |  |  | 4,305 |
EQUITY BALANCE SEPTEMBER 30, 2019 |  | $ | 9 |  |  | $ | 1,138 |  |  | $ | 7,149,889 |  |  | $ | (1,119,714 | ) |  | $ | (14,870 | ) |  | $ | 213,547 |  |  | $ | 6,611 |  |  | $ | 6,236,610 |
|  | 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 Income |  |  | Noncontrolling Interests - Operating Partnership |  |  | Noncontrolling Interests - Consolidated Real Estate Entities |  |  | Total Equity |
EQUITY BALANCE DECEMBER 31, 2017 |  | $ | 9 |  |  | $ | 1,134 |  |  | $ | 7,121,112 |  |  | $ | (784,500 | ) |  | $ | 2,157 |  |  | $ | 231,676 |  |  | $ | 2,306 |  |  | $ | 6,573,894 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 161,617 |  |  |  | — |  |  |  | 5,888 |  |  |  | — |  |  |  | 167,505 |
Other comprehensive income - derivative instruments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 9,166 |  |  |  | 335 |  |  |  | — |  |  |  | 9,501 |
Issuance and registration of common shares |  |  | — |  |  |  | 1 |  |  |  | (272 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (271 | )
Shares repurchased and retired |  |  | — |  |  |  | — |  |  |  | (2,912 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,912 | )
Exercise of stock options |  |  | — |  |  |  | — |  |  |  | 916 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  |  |  |  |  | 916 |
Shares issued in exchange for common units |  |  | — |  |  |  | 1 |  |  |  | 4,282 |  |  |  | — |  |  |  | — |  |  |  | (4,283 | ) |  |  | — |  |  |  | — |
Shares issued in exchange for redeemable stock |  |  | — |  |  |  | — |  |  |  | 1,915 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,915 |
Redeemable stock fair market value adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 121 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 121 |
Adjustment for noncontrolling interests in Operating Partnership |  |  | — |  |  |  | — |  |  |  | 561 |  |  |  | — |  |  |  | — |  |  |  | (561 | ) |  |  | — |  |  |  | — |
Cumulative adjustment due to adoption of ASU 2017-12 |  |  |  |  |  |  | — |  |  |  | — |  |  |  | (233 | ) |  |  | 233 |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization of unearned compensation |  |  | — |  |  |  | — |  |  |  | 9,877 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 9,877 |
Dividends on preferred stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,766 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,766 | )
Dividends on common stock ($2.7675 per share) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (315,012 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (315,012 | )
Dividends on noncontrolling interests units ($2.7675 per unit) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (11,214 | ) |  |  | — |  |  |  | (11,214 | )
EQUITY BALANCE SEPTEMBER 30, 2018 |  | $ | 9 |  |  | $ | 1,136 |  |  | $ | 7,135,479 |  |  | $ | (940,773 | ) |  | $ | 11,556 |  |  | $ | 221,841 |  |  | $ | 2,306 |  |  | $ | 6,431,554 |

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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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