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Revenue Disclosures - Narrative (Details) | Jun. 30, 2026 license clinic | Mar. 31, 2026 clinic | Dec. 31, 2025 clinic | Jun. 30, 2025 clinic license | Mar. 31, 2025 clinic | Dec. 31, 2024 clinic
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Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Number of clinics | clinic | 941 |  |  | 967 |  |
Clinic licenses sold but not yet developed at the end of the period | license | 52 |  |  | 92 |  |
Future clinic licenses subject to executed letters of intent at the end of the period | license | 58 |  |  | 60 |  |
Franchised Clinics |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Number of clinics | clinic | 896 | 868 | 885 | 885 | 847 | 842

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