Commitments and Contingencies - Narrative (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) community property developmentRight Lease	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Nov. 01, 2023 defendant
Commitments and Contingencies Disclosure [Line Items]
Loss contingency, other defendants | defendant				14
Proceeds from legal recoveries	$ 0	$ 0
Lease Obligations [Abstract]
Number of real estate properties | community	306
Total	$ 479,799,000
Lease liability	$ 153,333,000	133,220,000
Number of office leases | Lease	13
Right of use lease assets	$ 126,572,000	106,146,000
Operating lease, expense	16,298,000	16,342,000	$ 15,667,000
Finance lease, right-of-use asset	28,082,000	28,528,000
Lease liability	$ 19,949,000	$ 20,012,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Right of use lease assets	Right of use lease assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Lease liabilities	Lease liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Right of use lease assets	Right of use lease assets
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Lease liabilities	Lease liabilities
Properties on Land Subject to Land Leases
Lease Obligations [Abstract]
Number of real estate properties | community	7
Number of commercial properties owned | property	2
Number of development rights owned | developmentRight	1
Assets Held under Operating Leases
Lease Obligations [Abstract]
Number of real estate properties | community	6
Ground Lease
Lease Obligations [Abstract]
Total	$ 155,600,000
Lease liability	$ 25,675,000
Assets Held under Finance Leases
Lease Obligations [Abstract]
Number of real estate properties | community	1
Number of finance leases for parking garages adjacent to communities | Lease	4
Avalon at Assembly Row
Commitments and Contingencies Disclosure [Line Items]
Proceeds from legal recoveries			$ 6,000,000