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Earnings Per Common Share of MAA - Schedule of Computation of Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Earnings Per Share Disclosure [Line Items] |  |  |  |
Income from continuing operations,including portion attributable to noncontrolling interest |  | $ 654,776 | $ 550,702 | $ 264,015
Income from continuing operations attributable to noncontrolling interests |  | (17,340) | (16,911) | (9,053)
Income from continuing operations allocated to unvested restricted shares |  | (438) | (539) | (338)
Dividends to MAA Series I preferred shareholders |  | (3,688) | (3,688) | (3,688)
Income from continuing operations available for common shareholders, adjusted |  | $ 633,310 | $ 529,564 | $ 250,936
Weighted average common shares - basic |  | 115,344,000 | 114,717,000 | 114,188,000
Earnings per common share - basic |  | $ 5.49 | $ 4.62 | $ 2.20
Income from Continuing Operations, Including Portion Attributable to Noncontrolling Interest |  | $ 654,776 | $ 550,702 | $ 264,015
Income from continuing operations attributable to noncontrolling interests | [1] | (17,340) | (16,911) | (9,053)
Net income available for MAA common shareholders, adjusted |  | $ 633,748 | $ 530,103 | $ 251,274
Effect of dilutive securities |  | 239 | 322 | 312
Weighted average common shares - diluted |  | 115,583,000 | 115,039,000 | 114,500,000
Net income available for MAA common shareholders |  | $ 5.48 | $ 4.61 | $ 2.19
Limited Partnership Units [Member] |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 3,200,000 | 3,700,000 | 4,100,000
[1] | For the years ended December 31, 2022, 2021 and 2020, 3.2 million, 3.7 million and 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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