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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, 2021
Non-Compete Agreements [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted average lives of identifiable, definite-lived intangible assets | 6 years 6 months
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 | 10 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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