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Summary Of Significant Accounting Policies (Weighted Average Lives Of Identifiable, Definite-Lived Intangible Assets) (Details) | 12 Months Ended
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Dec. 31, 2024
Non-Compete Agreements [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted average lives of identifiable, definite-lived intangible assets | 6 years 3 months 18 days
Reacquired Franchise Rights [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted average lives of identifiable, definite-lived intangible assets | 7 years 4 months 24 days
Referral Networks [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted average lives of identifiable, definite-lived intangible assets | 14 years
Customer Lists [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted average lives of identifiable, definite-lived intangible assets | 16 years 9 months 18 days

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