MAALP Capital - Summary of Changes in Total Capital and its Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	$ 126,611	$ 186,406
M A A L P [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning Balance	5,819,224	6,125,415
Net Income Available for Common Unitholders	126,611	186,406
Other comprehensive income - derivative instruments	381	429
Issuance of units	154	157
Units repurchased and retired	(73,639)	(1,302)
Exercise of stock options		38
Redeemable stock fair market value adjustment	2,488	(1,895)
Amortization of unearned compensation	6,259	5,861
Dividends on preferred stock	(922)	(922)
Distributions	(182,541)	(181,794)
Acquisition of noncontrolling interest	(10,213)
Contribution from noncontrolling interest	2,489	1,058
Ending Balance	5,690,291	6,133,451
M A A L P [Member] \| Preferred Partner [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning Balance	66,840	66,840
Net income	922	922
Dividends on preferred stock	(922)	(922)
Ending Balance	66,840	66,840
M A A L P [Member] \| Limited Partner [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning Balance	141,503	155,409
Net income (loss)	3,121	4,733
General partner units issued in exchange for limited partner units	(457)	(759)
Adjustment for limited partners’ capital at redemption value	(1,139)	64
Distributions	(4,491)	(4,637)
Ending Balance	138,537	154,810
M A A L P [Member] \| General Partners' Capital Account [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning Balance	5,601,367	5,882,336
Net Income Allocated to General Partners	123,437	180,751
Issuance of units	154	157
Units repurchased and retired	(73,639)	(1,302)
Exercise of stock options		38
General partner units issued in exchange for limited partner units	457	759
Redeemable stock fair market value adjustment	2,488	(1,895)
Adjustment for limited partners’ capital at redemption value	1,139	(64)
Amortization of unearned compensation	6,259	5,861
Distributions	(178,050)	(177,157)
Acquisition of noncontrolling interest	(4,839)
Ending Balance	5,478,773	5,889,484
M A A L P [Member] \| AOCI Attributable to Noncontrolling Interest [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning Balance	(5,375)	(7,064)
Other comprehensive income - derivative instruments	381	429
Ending Balance	(4,994)	(6,635)
M A A L P [Member] \| Noncontrolling Interests-Consolidated Real Estate Entities [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning Balance	14,889	27,894
Net income	(869)
Acquisition of noncontrolling interest	(5,374)
Contribution from noncontrolling interest	2,489	1,058
Ending Balance	$ 11,135	$ 28,952

MID AMERICA APARTMENT COMMUNITIES INC. 10-Q