Commitments and Contingencies - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) developmentRight property Lease community	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) developmentRight property Lease community	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Nov. 01, 2023 defendant
Lessee, Lease, Description [Line Items]
Other defendants | defendant						14
Minimum lease payment	$ 155,600		$ 155,600
Operating lease obligation	$ (155,435)		$ (155,435)		$ (133,220)
Number of office leases | Lease	15		15
Operating lease assets	$ 128,796		$ 128,796		106,146
Operating lease expense	$ 4,166	$ 4,081	$ 12,543	$ 12,167
Number of apartment communities | community	305		305
Finance lease asset	$ 28,198		$ 28,198		28,528
Finance lease obligation	$ 19,965		$ 19,965		$ 20,012
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Right of use lease assets		Right of use lease assets		Right of use lease assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Lease liabilities		Lease liabilities		Lease liabilities
Properties on Land Subject to Land Leases
Lessee, Lease, Description [Line Items]
Number of operating apartment communities owned | community	7		7
Number of commercial properties owned | property	2		2
Number of development rights owned | developmentRight	1		1
Assets Held under Operating Leases
Lessee, Lease, Description [Line Items]
Number of operating apartment communities owned | community	6		6
Ground Lease
Lessee, Lease, Description [Line Items]
Operating lease obligation	$ (25,297)		$ (25,297)
Assets Held under Finance Leases
Lessee, Lease, Description [Line Items]
Number of apartment communities | community	1		1
Number of finance leases for parking garages adjacent to communities | Lease	4		4