Segment Reporting - Narrative (Details) |
9 Months Ended | |||||
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Sep. 30, 2021
clinic
segment
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Jun. 30, 2021
clinic
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Dec. 31, 2020
clinic
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Sep. 30, 2020
clinic
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Jun. 30, 2020
clinic
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Dec. 31, 2019
clinic
|
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| Segment Reporting Information [Line Items] | ||||||
| Number of operating segments | segment | 2 | |||||
| Number of non-operating segments | segment | 1 | |||||
| Number of Stores | 666 | 560 | ||||
| Company-Owned or Managed Clinics | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Number of Stores | 83 | 78 | 64 | 63 | 62 | 60 |
| Franchised Clinics | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Number of Stores | 583 | 555 | 515 | 497 | 477 | 453 |
| X | ||||||||||
- Definition Number of Non-Operating Segments No definition available.
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| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Represents the number of stores. No definition available.
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| X | ||||||||||
- 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. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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