Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2026	Dec. 31, 2025
Assets
Land		$ 2,157,019	$ 2,129,401
Buildings and improvements and other		15,052,435	14,852,509
Development and capital improvements in progress		369,883	426,759
Real Estate Investment Property, at Cost		17,579,337	17,408,669
Less: Accumulated depreciation		(6,074,082)	(5,914,017)
Real Estate Investment Property, Net		11,505,255	11,494,652
Undeveloped land		73,359	73,359
Investment in real estate joint venture		41,578	41,313
Real estate assets, net		11,620,192	11,609,324
Cash and cash equivalents		71,529	60,258
Restricted cash		13,336	13,717
Other assets		262,382	245,683
Assets held for sale		27,063	46,401
Total assets		11,994,502	11,975,383
Liabilities:
Unsecured notes payable, net		5,296,096	5,044,979
Secured notes payable, net		360,424	360,393
Accrued expenses and other liabilities		629,486	730,366
Total liabilities		6,286,006	6,135,738
Redeemable common stock		18,186	20,402
Shareholders' equity:
Preferred stock, value, outstanding		9	9
Common stock, value, outstanding	[1]	1,161	1,166
Additional paid-in capital		7,331,507	7,401,962
Accumulated distributions in excess of net income		(1,787,111)	(1,734,986)
Accumulated other comprehensive loss		(4,928)	(5,300)
Total MAA shareholders' equity		5,540,638	5,662,851
Noncontrolling interests - Operating Partnership units		138,537	141,503
Total Company’s shareholders’ equity		5,679,175	5,804,354
Noncontrolling interests - consolidated real estate entities		11,135	14,889
Operating Partnership capital:
Limited Partners' Capital Account		358,100
Accumulated other comprehensive loss		(4,928)	(5,300)
Noncontrolling interests - consolidated real estate entities		11,135	14,889
Total equity		5,690,310	5,819,243
Total liabilities and equity		11,994,502	11,975,383
Limited Partnership [Member]
Assets
Land		2,157,019	2,129,401
Buildings and improvements and other		15,052,435	14,852,509
Development and capital improvements in progress		369,883	426,759
Real Estate Investment Property, at Cost		17,579,337	17,408,669
Less: Accumulated depreciation		(6,074,082)	(5,914,017)
Real Estate Investment Property, Net		11,505,255	11,494,652
Undeveloped land		73,359	73,359
Investment in real estate joint venture		41,578	41,313
Real estate assets, net		11,620,192	11,609,324
Cash and cash equivalents		71,529	60,258
Restricted cash		13,336	13,717
Other assets		262,382	245,683
Assets held for sale		27,063	46,401
Total assets		11,994,502	11,975,383
Liabilities:
Unsecured notes payable, net		5,296,096	5,044,979
Secured notes payable, net		360,424	360,393
Accrued expenses and other liabilities		629,486	730,366
Total liabilities		6,286,025	6,135,757
Redeemable common stock		18,186	20,402
Shareholders' equity:
Accumulated other comprehensive loss		(4,994)	(5,375)
Total Company’s shareholders’ equity		5,679,156	5,804,335
Noncontrolling interests - consolidated real estate entities		11,135	14,889
Operating Partnership capital:
Preferred Units, Preferred Partners' Capital Accounts		66,840	66,840
General Partners' Capital Account	[2]	5,478,773	5,601,367
Limited Partners' Capital Account	[2]	138,537	141,503
Accumulated other comprehensive loss		(4,994)	(5,375)
Noncontrolling interests - consolidated real estate entities		11,135	14,889
Total equity		5,690,291	5,819,224
Total liabilities and equity		11,994,502	11,975,383
Limited Partnership [Member] | Related Party [Member]
Liabilities:
Due to general partner		$ 19	$ 19

[1] Number of shares issued and outstanding represents 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, 2026 and December 31, 2025 are 148,923 and 146,875, 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, 2026 and December 31, 2025 are 148,923 and 146,875, respectively.