MAA Equity (Tables)

6 Months Ended

Jun. 30, 2016

Jun. 30, 2015

MAA Equity [Abstract]

Shareholders' Equity [Table Text Block]

Total equity and its components for the six-month periods ended June 30, 2016 and 2015 were as follows (dollars in thousands, except per share and per unit data):

	Mid-America Apartment Communities, Inc. Shareholders' Equity
	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, 2015	$	753	$	3,627,074		$	(634,141	)	$	(1,589	)	$	165,726		$	3,157,823
Net income	—		—			88,557			—			4,881			93,438
Other comprehensive loss - derivative instruments (cash flow hedges)	—		—			—			(2,561		)	(141		)	(2,702		)
Issuance and registration of common shares	1		185			—			—			—			186
Shares repurchased and retired	—		(1,742		)	—			—			—			(1,742		)
Shares issued in exchange for OP Units	—		158			—			—			(158		)	—
Shares issued in exchange from redeemable stock	—		123			—			—			—			123
Redeemable stock fair market value adjustment	—		—			(1,518		)	—			—			(1,518		)
Adjustment for noncontrolling interest ownership in operating partnership	—		(87		)	—			—			87			—
Amortization of unearned compensation	—		4,383			—			—			—			4,383
Dividends on common stock ($1.64 per share)	—		—			(123,852		)	—			—			(123,852		)
Dividends on noncontrolling interest OP Units ($1.64 per OP Unit)	—		—			—			—			(6,820		)	(6,820		)
EQUITY BALANCE JUNE 30, 2016	$	754	$	3,630,094		$	(670,954	)	$	(4,150	)	$	163,575		$	3,119,319

	Mid-America Apartment Communities, Inc. Shareholders' Equity
	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, 2014	$	752	$	3,619,270		$	(729,086	)	$	(412	)	$	161,287		$	3,051,811
Net income	—		—			197,566			—			10,984			208,550
Other comprehensive income - derivative instruments (cash flow hedges)	—		—			—			1,364			76			1,440
Issuance and registration of common shares	2		182			—			—			—			184
Shares repurchased and retired	—		(945		)	—			—			—			(945		)
Exercise of stock options	—		420						—			—			420
Shares issued in exchange for OP Units	—		184			—			—			(184		)	—
Redeemable stock fair market value adjustment	—		—			173			—			—			173
Adjustment for noncontrolling interest ownership in operating partnership	—		45			—			—			(45		)	—
Amortization of unearned compensation	—		3,167			—			—			—			3,167
Dividends on common stock ($1.54 per share)	—		—			(116,066		)	—			—			(116,066		)
Dividends on noncontrolling interest OP Units ($1.54 per OP Unit)	—		—			—			—			(6,449		)	(6,449		)
EQUITY BALANCE JUNE 30, 2015	$	754	$	3,622,323		$	(647,413	)	$	952		$	165,669		$	3,142,285