Segment Information - Revenues and NOI for Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Information
Total operating revenues	$ 543,622	$ 529,033
Net Operating Income	345,820	346,230
Depreciation and amortization	(143,020)	(138,501)
Property management expenses	(19,995)	(17,928)
General and administrative expenses	(17,045)	(15,923)
Interest expense	(40,361)	(37,281)
(Loss) gain on sale of depreciable real estate assets	(2)	15
Gain on sale of non-depreciable real estate assets	0	54
Other non-operating income	23,526	3,467
Income tax expense	(1,795)	(944)
Income from real estate joint venture	482	385
Net income (loss) attributable to noncontrolling interests	(3,861)	(3,664)
Dividends to MAA Series I preferred shareholders	(922)	(922)
Net income available for MAA common shareholders	142,827	134,988
Same Store [Member]
Segment Information
Revenue from Contract with Customer, Including Assessed Tax	516,945	509,600
Other operating income expense net	2,684	2,831
Total operating revenues	519,629	512,431
Net Operating Income	334,583	336,929
Non-Same Store and Other [Member]
Segment Information
Revenue from Contract with Customer, Including Assessed Tax	22,872	16,493
Other operating income expense net	1,121	109
Total operating revenues	23,993	16,602
Net Operating Income	$ 11,237	$ 9,301