Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Total AIR Equity	Perpetual Preferred Stock	Common Stock	Additional  Paid- in Capital	Accumulated Other Comprehensive Income (Loss)	Distributions  in Excess  of Earnings	Noncontrolling Interests in Consolidated Real Estate Partnerships	Common Noncontrolling Interests in AIR Operating Partnership
Beginning balance (in shares) at Dec. 31, 2021			145
Beginning balance (in shares) at Dec. 31, 2021				156,998,367
Beginning balance at Dec. 31, 2021	$ 1,939,155	$ 1,813,025	$ 2,129	$ 1,570	$ 3,763,105	$ 0	$ (1,953,779)	$ (70,883)	$ 197,013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of AIR Operating Partnership units	(7,423)								(7,423)
Repurchase of common stock, net (in shares)				(4,107,451)
Repurchase of Common Stock, net	(171,711)	(171,711)		$ (41)	(171,670)
Amortization of share-based compensation cost	6,272	3,519			3,519				2,753
Effect of changes in ownership of consolidated entities	0	(5,404)			(5,404)				5,404
Purchase of noncontrolling interests in consolidated real estate partnerships	(5,409)	(5,529)			(5,529)			120
Contributions from noncontrolling interests in consolidated real estate partnerships	8,337							8,337
Change in accumulated other comprehensive loss	49,861	45,948				45,948			3,913
Net income (loss)	611,632	574,864					574,864	(285)	37,053
Common Stock dividends	(210,361)	(210,361)					(210,361)
Distributions to noncontrolling interests	(26,969)							(13,561)	(13,408)
Other, net (in shares)			(125)	102,532
Other, net	(1,342)	(1,171)	$ (129)	$ 1	(910)	0	(133)	72	(243)
Ending balance at Sep. 30, 2022	2,192,042	2,043,180	$ 2,000	$ 1,530	3,583,111	45,948	(1,589,409)	(76,200)	225,062
Ending balance (in shares) at Sep. 30, 2022				152,993,448
Ending balance (in shares) at Sep. 30, 2022			20
Beginning balance (in shares) at Jun. 30, 2022			20
Beginning balance (in shares) at Jun. 30, 2022				154,187,241
Beginning balance at Jun. 30, 2022	2,288,825	2,132,449	$ 2,000	$ 1,542	3,636,906	13,750	(1,521,749)	(70,609)	226,985
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of AIR Operating Partnership units	(3,178)								(3,178)
Repurchase of common stock, net (in shares)				(1,195,690)
Repurchase of Common Stock, net	(46,711)	(46,711)		$ (12)	(46,699)
Amortization of share-based compensation cost	1,821	878			878				943
Effect of changes in ownership of consolidated entities	0	(2,140)			(2,140)				2,140
Purchase of noncontrolling interests in consolidated real estate partnerships	(5,409)	(5,529)			(5,529)			120
Contributions from noncontrolling interests in consolidated real estate partnerships	529							529
Change in accumulated other comprehensive loss	34,940	32,198				32,198			2,742
Net income (loss)	1,794	1,759					1,759	(102)	137
Common Stock dividends	(69,377)	(69,377)					(69,377)
Distributions to noncontrolling interests	(10,698)							(6,226)	(4,472)
Other, net (in shares)				1,897
Other, net	(494)	(347)			(305)		(42)	88	(235)
Ending balance at Sep. 30, 2022	$ 2,192,042	2,043,180	$ 2,000	$ 1,530	3,583,111	45,948	(1,589,409)	(76,200)	225,062
Ending balance (in shares) at Sep. 30, 2022				152,993,448
Ending balance (in shares) at Sep. 30, 2022			20
Beginning balance (in shares) at Dec. 31, 2022			20
Beginning balance (in shares) at Dec. 31, 2022	149,086,548			149,086,548
Beginning balance at Dec. 31, 2022	$ 2,319,306	2,156,417	$ 2,000	$ 1,491	3,436,635	43,562	(1,327,271)	(78,785)	241,674
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of AIR Operating Partnership units	22,383								22,383
Redemption of AIR Operating Partnership units	(17,559)								(17,559)
Repurchase of common stock, net (in shares)				(2,249,800)
Repurchase of Common Stock, net	(77,782)	(77,782)		$ (22)	(77,760)
Amortization of share-based compensation cost	7,072	3,607			3,607				3,465
Effect of changes in ownership of consolidated entities	1,119	(7,840)			(7,840)			(1,397)	10,356
Purchase of noncontrolling interests in consolidated real estate partnerships	(1,517)	479			479			(1,996)
Contributions from noncontrolling interests in consolidated real estate partnerships	5,235							5,235
Change in accumulated other comprehensive loss	(20,749)	(18,768)				(18,768)			(1,981)
Net income (loss)	696,452	651,313					651,313	3,894	41,245
Common Stock dividends	(200,142)	(200,142)					(200,142)
Distributions to noncontrolling interests	(23,120)							(9,908)	(13,212)
Other, net (in shares)				136,307
Other, net	30	180		$ 1	195	0	(16)	(153)	3
Ending balance at Sep. 30, 2023	$ 2,710,728	2,507,464	$ 2,000	$ 1,470	3,355,316	24,794	(876,116)	(83,110)	286,374
Ending balance (in shares) at Sep. 30, 2023	146,973,055			146,973,055
Ending balance (in shares) at Sep. 30, 2023			20
Beginning balance (in shares) at Jun. 30, 2023			20
Beginning balance (in shares) at Jun. 30, 2023				149,223,526
Beginning balance at Jun. 30, 2023	$ 2,168,890	1,999,465	$ 2,000	$ 1,492	3,430,731	39,343	(1,474,101)	(80,087)	249,512
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of AIR Operating Partnership units	$ (1,745)								(1,745)
Repurchase of common stock, net (in shares)	(2,200,000)			(2,249,800)
Repurchase of Common Stock, net	$ (77,782)	(77,782)		$ (22)	(77,760)
Amortization of share-based compensation cost	1,971	816			816				1,155
Effect of changes in ownership of consolidated entities	1,119	1,446			1,446			(1,397)	1,070
Contributions from noncontrolling interests in consolidated real estate partnerships	718							718
Change in accumulated other comprehensive loss	(16,422)	(14,549)				(14,549)			(1,873)
Net income (loss)	708,942	664,031					664,031	2,525	42,386
Common Stock dividends	(66,002)	(66,002)					(66,002)
Distributions to noncontrolling interests	(8,985)							(4,851)	(4,134)
Other, net (in shares)				(671)
Other, net	24	39			83		(44)	(18)	3
Ending balance at Sep. 30, 2023	$ 2,710,728	$ 2,507,464	$ 2,000	$ 1,470	$ 3,355,316	$ 24,794	$ (876,116)	$ (83,110)	$ 286,374
Ending balance (in shares) at Sep. 30, 2023	146,973,055			146,973,055
Ending balance (in shares) at Sep. 30, 2023			20