Fair Value Disclosures (Narrative) (Details)	3 Months Ended	9 Months Ended
Sep. 30, 2024 USD ($) item	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) item	Sep. 30, 2023 USD ($)
Fair Value Disclosures [Abstract]
Impairment charge	$ 1,373,000	$ 0	$ 1,942,000	$ 0
Carrying value of communities before impairment	$ 10,600,000		$ 15,200,000
Number of communities impairment charges \| item	2		4

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-4

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration