Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting - Narrative (Details)

v3.20.1
Segment Reporting - Narrative (Details)
3 Months Ended
Mar. 31, 2020
segment
Mar. 31, 2020
clinic
Dec. 31, 2019
Mar. 31, 2019
Jun. 30, 2018
Number of operating segments 2        
Number of non-operating segments 1        
Number of Stores 530     454  
Company-owned or Managed Clinics          
Number of Stores 61 61 60 50 48
Franchised Clinics          
Number of Stores 469 469 453 404 394