Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Perpetual Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Distributions in Excess of Earnings	Total AIR Equity	Noncontrolling Interest in Consolidated Real Estate Partnerships	Common Noncontrolling Interests In AIR Operating Partnerships
Balances at Dec. 31, 2020	$ 1,308,093	$ 2,000	$ 1,489	$ 3,432,121	$ 3,039	$ (2,131,798)	$ 1,306,851	$ (61,943)	$ 63,185
Balances (in shares) at Dec. 31, 2020		20	148,861,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock	342,163		$ 79	342,084			342,163
Issuance of Common Stock (in shares)			7,825,000
Issuance costs	(306)			(306)			(306)
Redemption of AIR Operating Partnership units	(3,550)								(3,550)
Conversion of AIR Operating Partnership units, Shares			43,319
Conversion of AIR Operating Partnership units			$ 2	1,957			1,959		(1,959)
Amortization of share-based compensation cost	4,527			2,544			2,544		1,983
Amortization of share-based compensation cost (in shares)			33,000
Effect of changes in ownership for consolidated entities				(4,423)			(4,423)		4,423
Contribution from noncontrolling interest in consolidated real estate partnerships	1,998							1,998
Change in accumulated other comprehensive income (loss)	(3,251)				(3,039)		(3,039)		(212)
Net income (loss)	66,221					65,362	65,362	(2,632)	3,491
Common Stock dividends	(131,276)					(131,276)	(131,276)
Preferred Stock dividends	(93)					(93)	(93)
Distributions to noncontrolling interests	(12,037)							(4,834)	(7,203)
Other, net	(733)		$ (1)	(804)		(38)	(843)	(120)	230
Other, net (in shares)			94,597
Balances at Jun. 30, 2021	1,571,756	$ 2,000	$ 1,569	3,773,173	0	(2,197,843)	1,578,899	(67,531)	60,388
Balances (in shares) at Jun. 30, 2021		20	156,856,952
Balances at Mar. 31, 2021	1,322,096	$ 2,000	$ 1,490	3,430,694	1,100	(2,112,381)	1,322,903	(64,619)	63,812
Balances (in shares) at Mar. 31, 2021		20	148,974,839
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock	342,163		$ 79	342,084			342,163
Issuance of Common Stock (in shares)			7,825,000
Issuance costs	(306)			(306)			(306)
Redemption of AIR Operating Partnership units	(327)								(327)
Conversion of AIR Operating Partnership units, Shares			43,363
Conversion of AIR Operating Partnership units			$ 2	1,957			1,959		(1,959)
Amortization of share-based compensation cost	1,889			629			629		1,260
Effect of changes in ownership for consolidated entities				(1,833)			(1,833)		1,833
Contribution from noncontrolling interest in consolidated real estate partnerships	1,998							1,998
Change in accumulated other comprehensive income (loss)	(1,180)				(1,100)		(1,100)		(80)
Net income (loss)	(21,290)					(17,948)	(17,948)	(2,397)	(945)
Common Stock dividends	(67,418)					(67,418)	(67,418)
Preferred Stock dividends	(43)					(43)	(43)
Distributions to noncontrolling interests	(6,868)							(3,432)	(3,436)
Other, net	1,042		$ (2)	(52)		(53)	(107)	919	230
Other, net (in shares)			13,750
Balances at Jun. 30, 2021	1,571,756	$ 2,000	$ 1,569	3,773,173	0	(2,197,843)	1,578,899	(67,531)	60,388
Balances (in shares) at Jun. 30, 2021		20	156,856,952
Balances at Dec. 31, 2021	1,939,155	$ 2,129	$ 1,570	3,763,105	0	(1,953,779)	1,813,025	(70,883)	197,013
Balances (in shares) at Dec. 31, 2021		145	156,998,367
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of Common Stock	(125,000)		$ (29)	(124,971)			(125,000)
Repurchases of Common Stock (in shares)			(2,911,761)
Redemption of AIR Operating Partnership units	(4,245)								(4,245)
Amortization of share-based compensation cost	4,451			2,641			2,641		1,810
Effect of changes in ownership for consolidated entities				(3,264)			(3,264)		3,264
Contribution from noncontrolling interest in consolidated real estate partnerships	7,808							7,808
Change in accumulated other comprehensive income (loss)	14,921				13,750		13,750		1,171
Net income (loss)	609,838					573,105	573,105	(183)	36,916
Common Stock dividends	(140,984)					(140,984)	(140,984)
Distributions to noncontrolling interests	(16,271)							(7,335)	(8,936)
Other, net	(848)	$ (129)	$ 1	(605)		(91)	(824)	(16)	(8)
Other, net (in shares)		(125)	100,635
Balances at Jun. 30, 2022	2,288,825	$ 2,000	$ 1,542	3,636,906	13,750	(1,521,749)	2,132,449	(70,609)	226,985
Balances (in shares) at Jun. 30, 2022		20	154,187,241
Balances at Mar. 31, 2022	2,263,838	$ 2,000	$ 1,571	3,762,457	(783)	(1,648,077)	2,117,168	(70,157)	216,827
Balances (in shares) at Mar. 31, 2022		20	157,082,823
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of Common Stock	(125,000)		$ (29)	(124,971)			(125,000)
Repurchases of Common Stock (in shares)			(2,911,761)
Redemption of AIR Operating Partnership units	(793)								(793)
Amortization of share-based compensation cost	1,701			751			751		950
Effect of changes in ownership for consolidated entities				(578)			(578)		578
Contribution from noncontrolling interest in consolidated real estate partnerships	3,483							3,483
Change in accumulated other comprehensive income (loss)	15,704				14,533		14,533		1,171
Net income (loss)	210,057					196,927	196,927	381	12,749
Common Stock dividends	(70,556)					(70,556)	(70,556)
Distributions to noncontrolling interests	(8,677)							(4,188)	(4,489)
Other, net	(932)			(753)		(43)	(796)	(128)	(8)
Other, net (in shares)			16,179
Balances at Jun. 30, 2022	$ 2,288,825	$ 2,000	$ 1,542	$ 3,636,906	$ 13,750	$ (1,521,749)	$ 2,132,449	$ (70,609)	$ 226,985
Balances (in shares) at Jun. 30, 2022		20	154,187,241