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Earnings Per Common Share of MAA (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Common Share Of M A A [Abstract] |
Schedule of Computation of Diluted Earnings per Share | For the years ended December 31, 2020, 2019 and 2018, MAA’s diluted earnings per share was computed using the treasury stock method as presented below (dollars and shares in thousands, except per share amounts):
Calculation of Earnings per common share - basic |  | 2020 |  |  | 2019 |  |  | 2018 |  |
Net income |  | $ | 264,015 |  |  | $ | 366,618 |  |  | $ | 231,022 |  |
Net income attributable to noncontrolling interests |  |  | (9,053 | ) |  |  | (12,807 | ) |  |  | (8,123 | ) |
Unvested restricted stock (allocation of earnings) |  |  | (338 | ) |  |  | (519 | ) |  |  | (291 | ) |
Preferred dividends |  |  | (3,688 | ) |  |  | (3,688 | ) |  |  | (3,688 | ) |
Net income available for MAA common shareholders, adjusted |  | $ | 250,936 |  |  | $ | 349,604 |  |  | $ | 218,920 |  |
Weighted average common shares - basic |  |  | 114,188 |  |  |  | 113,854 |  |  |  | 113,638 |  |
Earnings per common share - basic |  | $ | 2.20 |  |  | $ | 3.07 |  |  | $ | 1.93 |  |
Calculation of Earnings per common share - diluted |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 264,015 |  |  | $ | 366,618 |  |  | $ | 231,022 |  |
Net income attributable to noncontrolling interests |  |  | (9,053 | ) | (1) |  | (12,807 | ) | (1) |  | (8,123 | ) | (1)
Preferred dividends |  |  | (3,688 | ) |  |  | (3,688 | ) |  |  | (3,688 | ) |
Net income available for MAA common shareholders, adjusted |  | $ | 251,274 |  |  | $ | 350,123 |  |  | $ | 219,211 |  |
Weighted average common shares - basic |  |  | 114,188 |  |  |  | 113,854 |  |  |  | 113,638 |  |
Effect of dilutive securities |  |  | 312 |  |  |  | 259 |  |  |  | 198 |  |
Weighted average common shares - diluted |  |  | 114,500 |  |  |  | 114,113 |  |  |  | 113,836 |  |
Earnings per common share - diluted |  | $ | 2.19 |  |  | $ | 3.07 |  |  | $ | 1.93 |  |
(1) | For the years ended December 31, 2020, 2019 and 2018, 4.1 million OP Units and their related income are not included in the diluted earnings per share calculations as they are not dilutive.

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- Definition Earnings Per Common Share Of MAA Abstract. + References No definition available. + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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