CONDENSED CONSOLIDATED STATEMENTS OF PARTNERS’ CAPITAL (DEFICIT) - USD ($) $ in Thousands	Total	Common Partnership Units	Preferred Partnership Units	Preferred Units	Preferred Units Preferred Partnership Units	General Partner and Special Limited Partner	Limited Partners	Limited Partners Common Partnership Units	Partners' Capital Attributable to the AIR Operating Partnership	Partners' Capital Attributable to the AIR Operating Partnership Common Partnership Units	Partners' Capital Attributable to the AIR Operating Partnership Preferred Partnership Units	Noncontrolling Interests in Consolidated Real Estate Partnerships
Beginning balance at Dec. 31, 2023	$ 2,550,374			$ 2,000		$ 2,349,896	$ 284,451		$ 2,636,347			$ (85,973)
Increase (Decrease) in Partners' Capital [Roll Forward]
Amortization of share-based compensation cost	23,657					11,843	11,814		23,657
Effect of changes in ownership of consolidated entities						(20,409)	20,409
Other comprehensive loss	(14,446)					(13,298)	(1,148)		(14,446)
Net income (loss)	(360,959)					(341,554)	(23,034)		(364,588)			3,629
Merger-related distributions	(2,105,949)					(1,976,696)	(129,253)		(2,105,949)
Distributions to common unitholders	(69,325)					(64,649)	(4,676)		(69,325)
Distributions to noncontrolling interests	(13,189)											(13,189)
Redemption of common partnership units		$ (28,373)	$ (2,000)		$ (2,000)			$ (28,373)		$ (28,373)	$ (2,000)
Other, net	915					315			315			600
Ending balance at Sep. 30, 2024	(19,295)			0		(54,552)	130,190		75,638			(94,933)
Beginning balance at Jun. 30, 2024	1,064,001					965,426	191,537		1,156,963			(92,962)
Increase (Decrease) in Partners' Capital [Roll Forward]
Amortization of share-based compensation cost	9,137						9,137		9,137
Effect of changes in ownership of consolidated entities						(18,254)	18,254
Other comprehensive loss	(1,017)					(943)	(74)		(1,017)
Net income (loss)	(171,333)					(162,009)	(10,985)		(172,994)			1,661
Merger-related distributions	(892,521)					(839,044)	(53,477)		(892,521)
Distributions to noncontrolling interests	(4,363)											(4,363)
Redemption of common partnership units	(24,202)						(24,202)		(24,202)
Other, net	1,003					272			272			731
Ending balance at Sep. 30, 2024	(19,295)			0		(54,552)	130,190		75,638			(94,933)
Beginning balance at Dec. 31, 2024	(32,291)					(61,484)	126,848		65,364			(97,655)
Increase (Decrease) in Partners' Capital [Roll Forward]
Effect of changes in ownership of consolidated entities						(66,153)	66,153
Other comprehensive loss	(3,020)					(2,869)	(151)		(3,020)
Net income (loss)	55,184					22,761	402		23,163			32,021
Distributions to common unitholders	(198,003)					(189,385)	(8,618)		(198,003)
Distributions to noncontrolling interests	(56,915)											(56,915)
Redemption of common partnership units		$ (67,735)						$ (67,735)		$ (67,735)
Other, net	(87)					20	(1)		19			(106)
Ending balance at Sep. 30, 2025	(302,867)			0		(297,110)	116,898		(180,212)			(122,655)
Beginning balance at Jun. 30, 2025	(189,960)					(236,174)	121,346		(114,828)			(75,132)
Increase (Decrease) in Partners' Capital [Roll Forward]
Effect of changes in ownership of consolidated entities						(1,086)	1,086
Other comprehensive loss	(1,018)					(974)	(44)		(1,018)
Net income (loss)	(62,731)					(58,881)	(4,321)		(63,202)			471
Distributions to noncontrolling interests	(47,994)											(47,994)
Redemption of common partnership units	(1,168)						(1,168)		(1,168)
Other, net	4					5	(1)		4
Ending balance at Sep. 30, 2025	$ (302,867)			$ 0		$ (297,110)	$ 116,898		$ (180,212)			$ (122,655)