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Shareholders' Equity of MAA | 3 Months Ended
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Mar. 31, 2021
Shareholders Equity Of M A A [Abstract] |
Shareholders' Equity of MAA | 8.Shareholders’ Equity of MAA As of March 31, 2021, 114,408,949 shares of common stock of MAA and 4,053,106 OP Units (excluding the OP Units held by MAA) were issued and outstanding, representing a total of 118,462,055 common shares and units. As of March 31, 2020, 114,279,662 shares of common stock of MAA and 4,058,657 OP Units (excluding the OP Units held by MAA) were issued and outstanding, representing a total of 118,338,319 common shares and units. Options to purchase 963 shares of MAA’s common stock were outstanding as of March 31, 2021, compared to 19,845 outstanding options as of March 31, 2020. During the three months ended March 31, 2021 and 2020, MAA issued 18,882 common shares and 918 common shares, respectively, related to the exercise of stock options. These exercises resulted in net proceeds of $1.5 million and $0.1 million, respectively. Preferred Stock As of March 31, 2021, MAA had one outstanding series of cumulative redeemable preferred stock, which has the following characteristics:
Description |  | Outstanding Shares |  |  | Liquidation Preference(1) |  |  | Optional Redemption Date |  | Redemption Price(2) |  |  | Stated Dividend Yield |  |  | Approximate Dividend Rate |
Series I |  |  | 867,846 |  |  | $ | 50.00 |  |  | 10/1/2026 |  | $ | 50.00 |  |  |  | 8.50 | % |  | $ | 4.25 |
(1) | The total liquidation preference for the outstanding preferred stock is $43.4 million.
(2) | The redemption price is the price at which the preferred stock is redeemable, at MAA’s option, for cash.
See Note 7 for details of the valuation of the derivative asset related to the redemption feature embedded in the MAA Series I preferred stock. At-the-Market Share Offering Program The Company has entered into separate distribution agreements with each of J.P. Morgan Securities LLC, BMO Capital Markets Corp. and KeyBanc Capital Markets Inc. to establish an at-the-market share offering program, or ATM program, allowing MAA to sell shares of its common stock from time to time into the existing market at current market prices or through negotiated transactions. Under the ATM program, MAA has the authority to issue up to an aggregate of 4.0 million shares of its common stock, at such times to be determined by MAA. The ATM program currently has a maturity of September 2021. MAA has no obligation to issue shares through the ATM program. During the three months ended March 31, 2021 and 2020, MAA did not sell any shares of common stock under its ATM program. As of March 31, 2021, 3.9 million shares remained issuable under the ATM program.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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