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Earnings Per OP Unit of MAALP - Schedule of Diluted Earnings per Common Unit (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Earnings Per Share Disclosure [Line Items] |  |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 87,047 | $ 62,036 | $ 359,786 | $ 177,716
Dividends on preferred stock | (922) | (922) | (2,766) | (2,766)
Income from continuing operations available for common shareholders, adjusted | $ 83,477 | $ 58,910 | $ 345,025 | $ 168,625
Earnings per share - basic | $ 0.73 | $ 0.52 | $ 3.01 | $ 1.48
Net income available for MAA common shareholders, adjusted | $ 83,557 | $ 58,988 | $ 345,384 | $ 168,854
Effect of dilutive securities | 296,000 | 252,000 | 305,000 | 310,000
Weighted average common shares - diluted | 115,229,000 | 114,468,000 | 114,873,000 | 114,487,000
Earnings per common share - diluted | $ 0.73 | $ 0.52 | $ 3.01 | $ 1.47
Limited Partner [Member] |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 87,047 | $ 62,036 | $ 359,786 | $ 177,716
Income from continuing operations allocated to unvested restricted shares | (80) | (78) | 359 | (229)
Dividends on preferred stock | (922) | (922) | (2,766) | (2,766)
Income from continuing operations available for common shareholders, adjusted | $ 86,045 | $ 61,036 | $ 356,661 | $ 174,721
Weighted average common units - basic | 118,430 | 118,274 | 118,389 | 118,238
Earnings per share - basic | $ 0.73 | $ 0.52 | $ 3.01 | $ 1.48
Net income available for MAA common shareholders, adjusted | $ 86,125 | $ 61,114 | $ 357,020 | $ 174,950
Effect of dilutive securities | 296 | 252 | 305 | 310
Weighted average common shares - diluted | 118,726 | 118,526 | 118,694 | 118,548
Earnings per common share - diluted | $ 0.73 | $ 0.52 | $ 3.01 | $ 1.48

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