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SUBSEQUENT EVENT (Details)
$ in Millions
1 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Clinic
Aug. 31, 2022
USD ($)
Clinic
Mar. 31, 2022
USD ($)
Clinic
Dec. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
Clinic
Mar. 31, 2021
USD ($)
Clinic
Oct. 31, 2022
USD ($)
Clinic
Sep. 30, 2022
Clinic
Dec. 31, 2021
Clinic
Nov. 30, 2021
Business Combination, Description [Abstract]                    
Number of clinics               614    
Clinic Practice [Member]                    
Business Combination, Description [Abstract]                    
Percentage of interest acquired 80.00% 70.00% 70.00% 75.00% 65.00% 70.00%   80.00% 75.00% 70.00%
Number of clinics 2 6 6   8 5     3  
Percentage of interest retained by practice founder 20.00% 30.00% 30.00% 25.00%       20.00% 25.00%  
Purchase price for the acquisition | $ $ 4.2 $ 3.5 $ 11.5 $ 3.6 $ 10.7 $ 11.6        
Subsequent Event [Member] | Clinic Practice [Member]                    
Business Combination, Description [Abstract]                    
Percentage of interest acquired             60.00%      
Number of clinics             14      
Percentage of interest retained by practice founder             40.00%      
Purchase price for the acquisition | $             $ 19.3