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Fair Value Measurements of Financial Instruments - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jan. 31, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2024
Mar. 31, 2024
Jan. 01, 2024
Dec. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Oct. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Marketable securities – certificates of deposit   $ 2,263   $ 2,263         $ 2,150      
Equity securities   91   91         348      
Unrealized (loss) gain on investments   (561) $ (342) 415 $ (5,875)              
Investments in other entities – equity method   34,629 44,428 34,629 44,428 $ 33,276     25,774 $ 45,832 $ 40,299  
Apollo-Sun Labs Management, LLC                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest purchase obligation, noncurrent   7,400   7,400         7,800      
Unrealized gain (loss) from change in fair value   (100) (500) $ 400 (2,300)              
AAMG contingent consideration                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Interest acquired                       100.00%
AAMG contingent consideration | 2023 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest issued, number of shares (shares)       157,059                
AAMG contingent consideration | Met 2023 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest issued, number of shares (shares)       78,535                
AAMG contingent consideration | 2024 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest issued, number of shares (shares)       184,357                
AAMG contingent consideration | Other Liabilities | 2023 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   4,000   $ 4,000         2,600      
AAMG contingent consideration | Other Noncurrent Liabilities | 2023 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest issued, number of shares (shares)       78,524                
AAMG contingent consideration | Other Noncurrent Liabilities | 2024 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   3,900   $ 3,900         2,900      
AAMG contingent consideration | Other Noncurrent Liabilities | 2023 and 2024 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   5,600   5,600         5,600      
Advanced Diagnostic and Surgical Center, Inc                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Interest acquired               95.00%        
Fair value of contingent consideration               $ 3,600        
Advanced Diagnostic and Surgical Center, Inc | Other Noncurrent Liabilities | 2023 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   2,100   2,100                
Advanced Diagnostic and Surgical Center, Inc | Other Noncurrent Liabilities | 2024 Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   2,100   2,100                
Community Family Care Medical Group IPA, Inc.                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest issued, number of shares (shares) 631,712                      
Fair value of contingent consideration $ 8,000                      
Community Family Care Medical Group IPA, Inc. | Other Noncurrent Liabilities                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   15,000   15,000                
Contingent consideration, liability, each measurement period   5,000   5,000                
Community Family Care Medical Group IPA, Inc. | Other Noncurrent Liabilities | First Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   3,700   3,700                
Community Family Care Medical Group IPA, Inc. | Other Noncurrent Liabilities | Second and Third Metric                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   5,400   5,400                
PCCCV                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair value of contingent consideration   2,600   $ 2,600                
DMG And Sun Labs                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Equity interest purchase obligation, period to purchase       3 years                
DMG remaining equity interest purchase                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Investments in other entities – equity method   8,500   $ 8,500         8,500      
I Health, Inc.                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Investments in other entities – equity method   $ 5,988   $ 5,988   $ 5,923     0      
Equity interest (as a percent)   25.00%   25.00%     25.00%          
I Health, Inc. | Call Option                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Investments in other entities – equity method             $ 9,900          
Equity interest (as a percent)             25.00%          
Call option   $ 3,900   $ 3,900     $ 3,900          
Interest Rate Collar                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Derivative, ceiling interest rate   5.00%   5.00%                
Derivative, floor interest rate   2.34%   2.34%                
Derivative asset, fair value   $ 200   $ 200         300      
Unrealized (loss) gain on investments   (600) $ 100 $ 100 $ 1,300              
Certificates of Deposit                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Short-term marketable securities, maturity period       90 days                
Marketable securities – certificates of deposit   $ 2,300   $ 2,300         $ 2,200