Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations and Summary of Significant Accounting Policies - Clinics in Operation Under Franchise Agreements or Company-owned or Managed (Details)

v3.24.2.u1
Nature of Operations and Summary of Significant Accounting Policies - Clinics in Operation Under Franchise Agreements or Company-owned or Managed (Details) - clinic
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity [Roll Forward]        
Closed during the period     (2) (2)
Clinics in operation at the end of the period 960 890 960 890
Clinic licenses sold but not yet developed 113 171 113 171
Future clinic licenses subject to executed letters of intent 45 43 45 43
Franchised Clinics        
Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity [Roll Forward]        
Clinics open at beginning of period 819 740 800 712
Opened during the period 9 23 32 52
Acquired during the period 2 0 2 0
Sold during the period 0 (3) 0 (3)
Closed during the period (1) (4) (5) (5)
Clinics in operation at the end of the period 829 756 829 756
Company-Owned or Managed Clinics        
Product Information, Franchised Clinics, Company-Owned Or Managed Clinics, Activity [Roll Forward]        
Clinics open at beginning of period 135 130 135 126
Opened during the period 0 3 0 7
Acquired during the period 0 3 0 3
Sold during the period (2) 0 (2) 0
Closed during the period (2) (2)    
Clinics in operation at the end of the period 131 134 131 134