Variable Interest Entities (Details) $ in Thousands	Dec. 31, 2022 USD ($) Property Unit ApartmentHome Entity	Dec. 31, 2021 USD ($) Entity Property Unit Multi_family_apartment
Number of apartment homes in apartment communities	23,553	1,748
Net real estate	$ 5,626,511	$ 4,600,288
Cash and cash equivalents	95,797	67,320
Restricted cash	205,608	25,441
Other assets, net	581,323	568,051
Non-recourse property debt secured by AIR communities, net	1,985,430	2,294,739
Accrued liabilities and other	$ 513,805	$ 592,774
Variable Interest Entity, Primary Beneficiary [Member]
VIEs with interests in apartment communities | Entity	5	5
Number of apartment homes | Property	16	16
Number of apartment homes in apartment communities | Unit	5,369	5,369
Net real estate	$ 1,066,482	$ 1,096,039
Cash and cash equivalents	54,319	29,863
Restricted cash	2,378	2,380
Other assets, net	20,944	21,745
Non-recourse property debt secured by AIR communities, net	1,212,065	1,227,345
Accrued liabilities and other	$ 35,365	$ 34,659