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Acquisitions and Sale of Non-Controlling Interests (Details)
$ in Millions
12 Months Ended
Feb. 27, 2020
Partnership
Dec. 31, 2022
USD ($)
Clinic
Partnership
Dec. 31, 2021
USD ($)
Partnership
Clinic
Dec. 31, 2020
USD ($)
Clinic
Installment
Partnership
Nov. 30, 2022
Oct. 31, 2022
Sep. 30, 2022
Aug. 31, 2022
Mar. 31, 2022
Jun. 30, 2021
Mar. 31, 2021
Nov. 30, 2020
Business Combination, Description [Abstract]                        
Number of partnerships in which interest acquired | Partnership   3 5 5                
Purchase price for additional non controlling interest   $ 0.3 $ 1.3 $ 0.3                
Cash proceeds from sale of non-controlling interest     $ 0.1 $ 0.1                
Number of closed clinics sold | Clinic   5 2 14                
Aggregate sale price of clinics   $ 0.3 $ 0.1 $ 1.1                
Cash received related to sale of closed clinics       0.7                
Note receivable related to sale of closed clinics       $ 0.4                
Number of installments for note receivable | Installment       2                
Clinic Practice [Member]                        
Business Combination, Description [Abstract]                        
Number of partnerships in which interest acquired | Partnership 4                      
Percentage of interest acquired 65.00%   75.00%   80.00% 60.00% 80.00% 70.00% 70.00% 65.00% 70.00% 75.00%
Clinic Practice [Member] | Minimum [Member]                        
Business Combination, Description [Abstract]                        
Percentage of interest acquired 10.00% 10.00% 5.00% 20.00%                
Clinic Practice [Member] | Maximum [Member]                        
Business Combination, Description [Abstract]                        
Percentage of interest acquired 83.80% 35.00% 35.00% 35.00%