Equity

3 Months Ended

Mar. 31, 2013

Notes To Financial Statements [Abstract]

Equity

Equity

Total equity and its components for the three-month periods ended March 31, 2013, and 2012 were as follows (dollars in thousands, except per share and per unit data):

	Mid-America Apartment Communities, Inc. Shareholders
	Common Stock Amount		Additional Paid-In Capital			Accumulated Distributions in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Noncontrolling Interest			Total Equity
EQUITY BALANCE DECEMBER 31, 2012	$	422	$	1,542,999		$	(603,315	)	$	(26,054	)	$	31,058		$	945,110
Net income						21,180						825			22,005
Other comprehensive income - derivative instruments (cash flow hedges)									4,185			178			4,363
Issuance and registration of common shares	3		22,055												22,058
Shares repurchased and retired	—		(673		)										(673		)
Shares issued in exchange for units	1		442									(443		)	—
Redeemable stock fair market value						(319		)							(319		)
Adjustment for noncontrolling interest ownership in operating partnership			302									(302		)	—
Amortization of unearned compensation			630												630
Dividends on common stock ($0.6950 per share)						(29,674		)				—			(29,674		)
Dividends on noncontrolling interest units ($0.6950 per unit)												(1,187		)	(1,187		)
EQUITY BALANCE MARCH 31, 2013	$	426	$	1,565,755		$	(612,128	)	$	(21,869	)	$	30,129		$	962,313

	Mid-America Apartment Communities, Inc. Shareholders
	Common Stock Amount		Additional Paid-In Capital			Accumulated Distributions in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Noncontrolling Interest			Total Equity
EQUITY BALANCE DECEMBER 31, 2011	$	389	$	1,375,623		$	(621,833	)	$	(35,848	)	$	25,131		$	743,462
Net income						23,890						1,178			25,068
Other comprehensive income - derivative instruments (cash flow hedges)									4,048			200			4,248
Issuance and registration of common shares	20		120,123												120,143
Shares repurchased and retired	—		(1,415		)										(1,415		)
Shares issued in exchange for units	—		28									(28		)	—
Redeemable stock fair market value						(293		)							(293		)
Adjustment for noncontrolling interest ownership in operating partnership			(3,990		)							3,990			—
Amortization of unearned compensation			814												814
Dividends on common stock ($0.6600 per share)						(27,030		)				—			(27,030		)
Dividends on noncontrolling interest units ($0.6600 per unit)												(1,279		)	(1,279		)
EQUITY BALANCE MARCH 31, 2012	$	409	$	1,491,183		$	(625,266	)	$	(31,800	)	$	29,192		$	863,718