Business Segments - Summary of Information for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Summary information for the reportable segments
Total revenues	$ 200,373	$ 214,560	$ 395,995	$ 426,553
Other operating expenses not allocated to segments	98,484	97,802	196,675	204,308
Operating expenses	166,084	169,814	331,959	351,773
Operating Income Loss Property	34,289	44,746	64,036	74,780
Other items included in income (loss) before income tax expense	(215,955)	(42,971)	(249,661)	(82,814)
(Loss) income before income tax expense	(181,666)	1,775	(185,625)	(8,034)
Real Estate
Summary information for the reportable segments
Cost of Revenue	67,600	72,012	135,284	147,465
Segment Reconciling Items
Summary information for the reportable segments
Total revenues	7,312	34,278	12,929	68,062
Other operating expenses not allocated to segments	0	0	0	0
Operating expenses	7,335	14,085	14,423	28,010
Operating Income Loss Property	(23)	20,193	(1,494)	40,052
Other items included in income (loss) before income tax expense	0	0	0	0
(Loss) income before income tax expense	(23)	20,193	(1,494)	40,052
Segment Reconciling Items \| Real Estate
Summary information for the reportable segments
Cost of Revenue	7,335	14,085	14,423	28,010
Corporate Non-Segment
Summary information for the reportable segments
Total revenues	3,231	3,799	6,347	7,587
Other operating expenses not allocated to segments	98,484	97,802	196,675	204,308
Operating expenses	107,333	107,315	215,863	226,533
Operating Income Loss Property	(104,102)	(103,516)	(209,516)	(218,946)
Other items included in income (loss) before income tax expense	(215,955)	(42,971)	(249,661)	(82,814)
(Loss) income before income tax expense	(320,057)	(146,487)	(459,177)	(301,760)
Corporate Non-Segment \| Real Estate
Summary information for the reportable segments
Cost of Revenue	8,849	9,513	19,188	22,225
Same Store \| Operating Segments
Summary information for the reportable segments
Total revenues	170,544	163,884	339,760	326,127
Other operating expenses not allocated to segments	0	0	0	0
Operating expenses	44,612	43,852	88,321	88,125
Operating Income Loss Property	125,932	120,032	251,439	238,002
Other items included in income (loss) before income tax expense	0	0	0	0
(Loss) income before income tax expense	125,932	120,032	251,439	238,002
Same Store \| Operating Segments \| Real Estate
Summary information for the reportable segments
Cost of Revenue	44,612	43,852	88,321	88,125
Other Real Estate \| Operating Segments
Summary information for the reportable segments
Total revenues	19,286	12,599	36,959	24,777
Other operating expenses not allocated to segments	0	0	0	0
Operating expenses	6,804	4,562	13,352	9,105
Operating Income Loss Property	12,482	8,037	23,607	15,672
Other items included in income (loss) before income tax expense	0	0	0	0
(Loss) income before income tax expense	12,482	8,037	23,607	15,672
Other Real Estate \| Operating Segments \| Real Estate
Summary information for the reportable segments
Cost of Revenue	$ 6,804	$ 4,562	$ 13,352	$ 9,105

Apartment Income REIT, L.P. 10-Q