MAA Equity (Tables)

3 Months Ended

Mar. 31, 2020

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, 2020 and 2019 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, 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 ($1.00 per share)		—		—		—			(114,302	)		—			—			—		(114,302	)
Dividends on noncontrolling interests units    ($1.00 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

	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, 2018	$	9	$	1,136	$	7,138,170		$	(989,263	)	$	(212	)	$	220,043		$	2,306	$	6,372,189
Net income		—		—		—			63,660			—			2,298			—		65,958
Other comprehensive loss - derivative instruments		—		—		—			—			(3,088	)		(113	)		—		(3,201	)
Issuance and registration of common shares		—		1		1,128			—			—			—			—		1,129
Shares repurchased and retired		—		—		(3,023	)		—			—			—			—		(3,023	)
Exercise of stock options		—		—		208			—			—			—			—		208
Shares issued in exchange for common units		—		—		336			—			—			(336	)		—		—
Redeemable stock fair market value adjustment		—		—		—			(1,351	)		—			—			—		(1,351	)
Adjustment for noncontrolling interests in    Operating Partnership		—		—		(60	)		—			—			60			—		—
Amortization of unearned compensation		—		—		4,785			—			—			—			—		4,785
Dividends on preferred stock		—		—		—			(922	)		—			—			—		(922	)
Dividends on common stock ($0.96 per share)		—		—		—			(109,392	)		—			—			—		(109,392	)
Dividends on noncontrolling interests units    ($0.96 per unit)		—		—		—			—			—			(3,941	)		—		(3,941	)
Contribution from noncontrolling interest		—		—		—			—			—			—			2,860		2,860
EQUITY BALANCE MARCH 31, 2019	$	9	$	1,137	$	7,141,544		$	(1,037,268	)	$	(3,300	)	$	218,011		$	5,166	$	6,325,299