Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Assets
Land		$ 1,909,343	$ 1,905,757
Buildings and improvements and other		12,037,042	11,841,978
Development and capital improvements in progress		220,685	116,424
Real Estate Investment Property, at Cost		14,167,070	13,864,159
Less: Accumulated depreciation		(3,316,710)	(2,955,253)
Real Estate Investment Property, Net		10,850,360	10,908,906
Undeveloped land		34,548	34,548
Investment in real estate joint venture		43,467	43,674
Real estate assets, net		10,928,375	10,987,128
Cash and cash equivalents		18,407	20,476
Restricted cash		9,182	50,065
Other assets		172,740	172,781
Total assets		11,128,704	11,230,450
Liabilities and equity
Unsecured notes payable		3,939,425	3,828,201
Secured notes payable		486,169	626,397
Accrued expenses and other liabilities		570,014	472,262
Total liabilities		4,995,608	4,926,860
Redeemable common stock		13,841	14,131
Shareholders’ equity:
Preferred Stock, Value, Outstanding		9	9
Common stock	[1]	1,140	1,140
Additional paid-in capital		7,173,391	7,166,073
Accumulated distributions in excess of net income		(1,258,072)	(1,085,479)
Accumulated other comprehensive loss		(12,396)	(13,178)
Total MAA shareholders’ equity		5,904,072	6,068,565
Noncontrolling interests - Operating Partnership units		208,072	214,647
Total Company’s shareholders’ equity		6,112,144	6,283,212
Noncontrolling interests - consolidated real estate entities		7,111	6,247
Total equity		6,119,255	6,289,459
Total liabilities and equity		11,128,704	11,230,450
Liabilities:
Redeemable common stock		13,841	14,131
Operating Partnership capital:
Accumulated other comprehensive loss		(12,396)	(13,178)
Noncontrolling interests - consolidated real estate entities		7,111	6,247
Limited Partner [Member]
Assets
Land		1,909,343	1,905,757
Buildings and improvements and other		12,037,042	11,841,978
Development and capital improvements in progress		220,685	116,424
Real Estate Investment Property, at Cost		14,167,070	13,864,159
Less: Accumulated depreciation		(3,316,710)	(2,955,253)
Real Estate Investment Property, Net		10,850,360	10,908,906
Investment in real estate joint venture		43,467	43,674
Real estate assets, net		10,928,375	10,987,128
Cash and cash equivalents		18,407	20,476
Restricted cash		9,182	50,065
Other assets		172,740	172,781
Total assets		11,128,704	11,230,450
Undeveloped land		34,548	34,548
Liabilities and equity
Unsecured notes payable		3,939,425	3,828,201
Secured notes payable		486,169	626,397
Accrued expenses and other liabilities		570,014	472,262
Total liabilities		4,995,627	4,926,879
Due to general partner		19	19
Redeemable common stock		13,841	14,131
Shareholders’ equity:
Accumulated other comprehensive loss		(12,774)	(13,584)
Noncontrolling interests - consolidated real estate entities		7,111	6,247
Liabilities:
Redeemable common stock		13,841	14,131
Operating Partnership capital:
Preferred Units, Preferred Partners' Capital Accounts		66,840	66,840
General Partners' Capital Account	[2]	5,849,987	6,015,290
Limited Partners' Capital Account	[2]	208,072	214,647
Accumulated other comprehensive loss		(12,774)	(13,584)
Total operating partners’ capital		6,112,125	6,283,193
Noncontrolling interests - consolidated real estate entities		7,111	6,247
Total equity		6,119,236	6,289,440
Total liabilities and equity		$ 11,128,704	$ 11,230,450

[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 September 30, 2020 and December 31, 2019 are 119,374 and 107,162, 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 September 30, 2020 and December 31, 2019 are 119,374 and 107,162, respectively.