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MAA Equity (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Equity [Line Items] |  |  |
Stock Issued During Period, Shares, New Issues | 0 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Dividends, Preferred Stock, Cash |  | $ 0 |
Accumulated Distributions in Excess of Net Income [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | $ (707,479,000) | (634,141,000) |
Net income attributable to MAA | 41,905,000 | 43,413,000 |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 0 |  |
Issuance and registration of common shares | 0 |  |
Shares repurchased and retired | 0 |  |
Shares issued in exchange for units | 0 |  |
Redeemable stock fair market value | (298,000) | (1,100,000) |
Adjustment for noncontrolling interest ownership in operating partnership | 0 |  |
Amortization of unearned compensation | (114,000) |  |
Dividends on common stock | (98,841,000) | (61,928,000) |
Dividends on noncontrolling interest units | 0 |  |
Ending Balance | (765,749,000) | (653,756,000) |
Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 9,000 |  | $ 9,000
Common Stock [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 1,133,000 | 753,000 |
Issuance and registration of common shares | 1,000 | 1,000 |
Shares repurchased and retired | 0 | 0 |
Shares issued in exchange for units | 0 | 0 |
Ending Balance | 1,134,000 | 754,000 |
Additional Paid-in Capital [Member] |  |  |
Equity [Line Items] |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | 0 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 7,109,012,000 | 3,627,074,000 |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 0 |  |
Issuance and registration of common shares | 67,000 | 89,000 |
Shares repurchased and retired | (4,734,000) | (1,730,000) |
Shares issued in exchange for units | 167,000 | 33,000 |
Shares issued in exchange for redeemable stock | 1,482,000 | 123,000 |
Redeemable stock fair market value | 0 |  |
Adjustment for noncontrolling interest ownership in operating partnership | 305,000 | 40,000 |
Amortization of unearned compensation | 3,139,000 | 2,078,000 |
Dividends on common stock | 0 |  |
Dividends on noncontrolling interest units | 0 |  |
Ending Balance | 7,111,445,000 | 3,627,707,000 |
Noncontrolling Interest [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 235,976,000 | 165,726,000 |
Net Income Attributable to Noncontrolling Interest | 1,511,000 | 2,395,000 |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 113,000 | (132,000) |
Issuance and registration of common shares | 0 |  |
Shares repurchased and retired | 0 |  |
Shares issued in exchange for units | (167,000) | (33,000) |
Redeemable stock fair market value | 0 |  |
Adjustment for noncontrolling interest ownership in operating partnership | (305,000) | (40,000) |
Amortization of unearned compensation | 0 |  |
Dividends on common stock | 0 | 0 |
Dividends on noncontrolling interest units | (3,664,000) | (3,412,000) |
Ending Balance | 233,464,000 | 164,504,000 |
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Equity [Line Items] |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | 0 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 1,144,000 | (1,589,000) |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 3,079,000 | (2,387,000) |
Issuance and registration of common shares | 0 |  |
Shares repurchased and retired | 0 |  |
Shares issued in exchange for units | 0 |  |
Redeemable stock fair market value | 0 |  |
Adjustment for noncontrolling interest ownership in operating partnership | 0 |  |
Amortization of unearned compensation | 0 |  |
Dividends on common stock | 0 |  |
Dividends on noncontrolling interest units | 0 |  |
Ending Balance | 4,223,000 | (3,976,000) |
Parent Company [Member] |  |  |
Equity [Line Items] |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | 43,416,000 | 45,808,000 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 6,584,526,000 |  | 6,639,795,000
Noncontrolling Interest in Joint Ventures | 2,306,000 |  | $ 2,306,000
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Dividends, Preferred Stock, Cash | (922,000) |  |
Parent Company [Member] | Accumulated Distributions in Excess of Net Income [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Dividends, Preferred Stock, Cash | (922,000) |  |
Parent Company [Member] | Additional Paid-in Capital [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Issuance and registration of common shares | 2,007,000 |  |
Parent Company [Member] | Noncontrolling Interest [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Issuance and registration of common shares |  | 0 |
Stockholders' Equity, Total [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 6,642,101,000 | 3,157,823,000 |
Net Income Including Portion Attributable to Noncontrolling Interest | 43,416,000 | 45,808,000 |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 3,192,000 | (2,519,000) |
Issuance and registration of common shares | 68,000 | 90,000 |
Shares repurchased and retired | (4,734,000) | (1,730,000) |
Shares issued in exchange for units | 0 | 0 |
Shares issued in exchange for redeemable stock | 1,482,000 | 123,000 |
Redeemable stock fair market value | (298,000) | (1,100,000) |
Adjustment for noncontrolling interest ownership in operating partnership | 0 | 0 |
Amortization of unearned compensation | 3,025,000 | 2,078,000 |
Dividends on common stock | (98,841,000) | (61,928,000) |
Dividends on noncontrolling interest units | (3,664,000) | (3,412,000) |
Ending Balance | $ 6,586,832,000 | $ 3,135,233,000 |

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