MAA Equity (Tables)

3 Months Ended

Mar. 31, 2021

M A A Equity [Abstract]

Summary of Changes in Total Equity and its Components

Changes in MAA’s total equity and its components for the three months ended March 31, 2021 and 2020 were as follows (dollars in thousands):

	Mid-America Apartment Communities, Inc. Shareholders’ Equity
	Preferred Stock		Common Stock		Additional Paid-In Capital			Accumulated Distributions in Excess of Net Income			Accumulated Other Comprehensive Loss			Noncontrolling Interests - Operating Partnership			Noncontrolling Interests - Consolidated Real Estate Entities		Total Equity
EQUITY BALANCE DECEMBER 31, 2020	$	9	$	1,141	$	7,176,793		$	(1,294,182	)	$	(12,128	)	$	206,927		$	9,848	$	6,088,408
Net income		—		—		—			47,193			—			1,671			—		48,864
Other comprehensive income - derivative    instruments		—		—		—			—			269			10			—		279
Issuance and registration of common shares		—		1		133			—			—			—			—		134
Shares repurchased and retired		—		—		(1,730	)		—			—			—			—		(1,730	)
Exercise of stock options		—		—		1,466			—			—			—			—		1,466
Shares issued in exchange for common units		—		—		232			—			—			(232	)		—		—
Redeemable stock fair market value adjustment		—		—		—			(2,158	)		—			—			—		(2,158	)
Adjustment for noncontrolling interests in    Operating Partnership		—		—		(116	)		—			—			116			—		—
Amortization of unearned compensation		—		—		5,993			—			—			—			—		5,993
Dividends on preferred stock		—		—		—			(922	)		—			—			—		(922	)
Dividends on common stock ($1.0250 per share)		—		—		—			(117,278	)		—			—			—		(117,278	)
Dividends on noncontrolling interests units    ($1.0250 per unit)		—		—		—			—			—			(4,156	)		—		(4,156	)
Contribution from noncontrolling interest		—		—		—			—			—			—			633		633
EQUITY BALANCE MARCH 31, 2021	$	9	$	1,142	$	7,182,771		$	(1,367,347	)	$	(11,859	)	$	204,336		$	10,481	$	6,019,533

	Mid-America Apartment Communities, Inc. Shareholders’ Equity
	Preferred Stock		Common Stock		Additional Paid-In Capital			Accumulated Distributions in Excess of Net Income			Accumulated Other Comprehensive Loss			Noncontrolling Interests - Operating Partnership			Noncontrolling Interests - Consolidated Real Estate Entities		Total Equity
EQUITY BALANCE DECEMBER 31, 2019	$	9	$	1,140	$	7,166,073		$	(1,085,479	)	$	(13,178	)	$	214,647		$	6,247	$	6,289,459
Net income		—		—		—			36,648			—			1,304			—		37,952
Other comprehensive income - derivative    instruments		—		—		—			—			244			9			—		253
Issuance and registration of common shares		—		—		39			—			—			—			—		39
Shares repurchased and retired		—		—		(1,727	)		—			—			—			—		(1,727	)
Exercise of stock options		—		—		71			—			—			—			—		71
Shares issued in exchange for common units		—		—		450			—			—			(450	)		—		—
Redeemable stock fair market value adjustment		—		—		—			3,111			—			—			—		3,111
Adjustment for noncontrolling interests in    Operating Partnership		—		—		(47	)		—			—			47			—		—
Amortization of unearned compensation		—		—		5,289			—			—			—			—		5,289
Dividends on preferred stock		—		—		—			(922	)		—			—			—		(922	)
Dividends on common stock ($1.0000 per share)		—		—		—			(114,302	)		—			—			—		(114,302	)
Dividends on noncontrolling interests units    ($1.0000 per unit)		—		—		—			—			—			(4,059	)		—		(4,059	)
Contribution from noncontrolling interest		—		—		—			—			—			—			401		401
EQUITY BALANCE MARCH 31, 2020	$	9	$	1,140	$	7,170,148		$	(1,160,944	)	$	(12,934	)	$	211,498		$	6,648	$	6,215,565