Commitments and Contingencies - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) community property Lease	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Number of office leases | Lease	13
Operating lease assets	$ 109,976		$ 114,977
Operating lease obligation	137,359		142,602
Operating lease expense	4,005	$ 3,706
Finance lease asset	28,282		28,354
Finance lease obligation	$ 20,055		$ 20,069
Properties on Land Subject to Land Leases
Lessee, Lease, Description [Line Items]
Number of operating apartment communities owned | community	7
Number of commercial properties owned | property	2
Assets Held under Operating Leases
Lessee, Lease, Description [Line Items]
Number of operating apartment communities owned | community	6
Assets Held under Finance Leases
Lessee, Lease, Description [Line Items]
Number of operating apartment communities owned | community	1
Number of finance leases for parking garages adjacent to communities | Lease	4