Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Assets
Land		$ 1,955,627	$ 1,929,181
Buildings and improvements and other		12,176,205	12,065,244
Development and capital improvements in progress		295,933	283,477
Real Estate Investment Property, at Cost		14,427,765	14,277,902
Less: Accumulated depreciation		(3,544,517)	(3,415,105)
Real Estate Investment Property, Net		10,883,248	10,862,797
Undeveloped land		34,548	60,993
Investment in real estate joint venture		43,211	43,325
Real estate assets, net		10,961,007	10,967,115
Cash and cash equivalents		32,620	25,198
Restricted cash		10,755	10,417
Other assets		187,996	192,061
Total assets		11,192,378	11,194,791
Liabilities:
Unsecured notes payable		4,291,332	4,077,373
Secured notes payable		366,253	485,339
Accrued expenses and other liabilities		497,432	528,274
Total liabilities		5,155,017	5,090,986
Redeemable common stock		17,828	15,397
Shareholders’ equity:
Preferred Stock, Value, Outstanding		9	9
Common stock	[1]	1,142	1,141
Additional paid-in capital		7,182,771	7,176,793
Accumulated distributions in excess of net income		(1,367,347)	(1,294,182)
Accumulated other comprehensive loss		(11,859)	(12,128)
Total MAA shareholders’ equity		5,804,716	5,871,633
Noncontrolling interests - Operating Partnership units		204,336	206,927
Total Company’s shareholders’ equity		6,009,052	6,078,560
Noncontrolling interests - consolidated real estate entities		10,481	9,848
Total equity		6,019,533	6,088,408
Total liabilities and equity		11,192,378	11,194,791
Operating Partnership capital:
Accumulated other comprehensive loss		(11,859)	(12,128)
Noncontrolling interests - consolidated real estate entities		10,481	9,848
Total equity		6,019,533	6,088,408
Limited Partner [Member]
Assets
Land		1,955,627	1,929,181
Buildings and improvements and other		12,176,205	12,065,244
Development and capital improvements in progress		295,933	283,477
Real Estate Investment Property, at Cost		14,427,765	14,277,902
Less: Accumulated depreciation		(3,544,517)	(3,415,105)
Real Estate Investment Property, Net		10,883,248	10,862,797
Investment in real estate joint venture		43,211	43,325
Real estate assets, net		10,961,007	10,967,115
Cash and cash equivalents		32,620	25,198
Restricted cash		10,755	10,417
Other assets		187,996	192,061
Total assets		11,192,378	11,194,791
Undeveloped land		34,548	60,993
Liabilities:
Unsecured notes payable		4,291,332	4,077,373
Secured notes payable		366,253	485,339
Accrued expenses and other liabilities		497,432	528,274
Total liabilities		5,155,036	5,091,005
Due to general partner		19	19
Redeemable common stock		17,828	15,397
Shareholders’ equity:
Accumulated other comprehensive loss		(12,217)	(12,496)
Noncontrolling interests - consolidated real estate entities		10,481	9,848
Total equity		6,019,514	6,088,389
Total liabilities and equity		11,192,378	11,194,791
Operating Partnership capital:
Preferred Units, Preferred Partners' Capital Accounts		66,840	66,840
General Partners' Capital Account	[2]	5,750,074	5,817,270
Limited Partners' Capital Account	[2]	204,336	206,927
Accumulated other comprehensive loss		(12,217)	(12,496)
Total operating partners’ capital		6,009,033	6,078,541
Noncontrolling interests - consolidated real estate entities		10,481	9,848
Total equity		$ 6,019,514	$ 6,088,389

[1] Number of shares issued and outstanding represent total shares of common stock regardless of classification on the Condensed Consolidated Balance Sheets. The number of shares classified as redeemable common stock on the Condensed Consolidated Balance Sheets as of March 31, 2021 and December 31, 2020 are 123,496 and 121,534, respectively.

[2] Number of units outstanding represents total OP Units regardless of classification on the Condensed Consolidated Balance Sheets. The number of units classified as redeemable common units on the Condensed Consolidated Balance Sheets as of March 31, 2021 and December 31, 2020 are 123,496 and 121,534, respectively.