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Investments in Other Entities - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Mar. 31, 2023
Jan. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]                  
Income (loss) from equity method investments $ 2,723,000 $ 1,512,000 $ 5,207,000 $ 2,945,000          
Investments in other entities – equity method $ 45,831,000 $ 43,820,000 45,831,000 43,820,000 $ 43,108,000   $ 40,299,000 $ 44,383,000 $ 41,715,000
Impairment of investments     $ 0 $ 0          
James Song, M.D., A Professional Corporation                  
Schedule of Equity Method Investments [Line Items]                  
Ownership interest 25.00%   25.00%            
Income (loss) from equity method investments $ 58,000   $ 95,000            
Investments in other entities – equity method $ 420,000   $ 420,000   $ 362,000   $ 0    
James Song, M.D., A Professional Corporation | AP-AMH 2                  
Schedule of Equity Method Investments [Line Items]                  
Ownership interest           25.00%