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Shareholders' Equity of MAA
3 Months Ended
Mar. 31, 2015
Shareholders' Equity of MAA [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
Shareholders' Equity of MAA

On March 31, 2015, 75,345,023 shares of common stock of MAA and 4,189,966 OP Units were issued and outstanding, representing a total of 79,534,989 shares and units. At March 31, 2014, 75,009,303 shares of common stock of MAA and 4,208,526 OP Units were outstanding, representing a total of 79,217,829 shares and units. There were 74,454 outstanding options as of March 31, 2015 compared to 296,583 outstanding options as of March 31, 2014.

During the three months ended March 31, 2015, 11,646 shares of our common stock were acquired from employees to satisfy minimum tax withholding obligations that arose upon vesting of restricted stock granted pursuant to approved plans. During the three months ended March 31, 2014, 6,554 shares were acquired for these purposes.

During the three months ended March 31, 2014, we issued 57,330 shares related to the exercise of stock options. These exercises resulted in proceeds of $1.8 million. During the three months ended March 31, 2015, there were no stock options exercised.