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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
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Mar. 31, 2020 | Mar. 31, 2019
Earnings Per Share Disclosure [Line Items] |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 37,952 | $ 65,958
Dividends, Preferred Stock, Cash | (922) | (922)
Income from continuing operations available for common shareholders, adjusted | $ 35,676 | $ 62,651
Earnings per share - basic | $ 0.31 | $ 0.55
Net income available for MAA common shareholders, adjusted | $ 35,726 | $ 62,738
Effect of dilutive securities | 383,000 | 207,000
Weighted average common shares - diluted | 114,494,000 | 113,933,000
Earnings per common unit - diluted | $ 0.31 | $ 0.55
Limited Partner [Member] |  |
Earnings Per Share Disclosure [Line Items] |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 37,952 | $ 65,958
Income from continuing operations allocated to unvested restricted shares | (50) | (87)
Dividends, Preferred Stock, Cash | (922) | (922)
Income from continuing operations available for common shareholders, adjusted | $ 36,980 | $ 64,949
Weighted average common units - basic | 118,176 | 117,837
Earnings per share - basic | $ 0.31 | $ 0.55
Net income available for MAA common shareholders, adjusted | $ 37,030 | $ 65,036
Effect of dilutive securities | 383 | 207
Weighted average common shares - diluted | 118,559 | 118,044
Earnings per common unit - diluted | $ 0.31 | $ 0.55

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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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