Condensed Consolidated Statements of Comprehensive Income (Loss)(Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income (loss)	$ (19,687)	$ 43,204	$ 69,428	$ 52,181
Unrealized losses on available for sale debt securities	(1,180)	(355)	(3,251)	(415)
Comprehensive income (loss)	(20,867)	42,849	66,177	51,766
Comprehensive (income) loss attributable to noncontrolling interests	1,819	(3,926)	(3,854)	(6,177)
Comprehensive income (loss) attributable to AIR	(19,048)	38,923	62,323	45,589
Apartment Income REIT, L.P [Member]
Net income (loss)	(19,687)	43,204	69,428	52,181
Unrealized losses on available for sale debt securities	(1,180)	(355)	(3,251)	(415)
Comprehensive income (loss)	(20,867)	42,849	66,177	51,766
Comprehensive (income) loss attributable to noncontrolling interests	2,397	17	2,632	(1)
Comprehensive income (loss) attributable to AIR	$ (18,470)	$ 42,866	$ 68,809	$ 51,765