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Significant Accounting Policies - Health Plan Settlement Receivables (Details)

v3.21.4
Significant Accounting Policies - Health Plan Settlement Receivables (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Health Plan [Line Items]      
Health Plan Settlement Receivables $ 45,847,310 $ 38,429,833 $ 17,455,547
Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 45,847,310 38,429,833 17,455,547
Health Plan A | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 838,428 94,501  
Health Plan B | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 18,853,480 15,766,808 1,796,413
Health Plan C | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 9,010,871 7,332,687 5,220,041.00
Health Plan D | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 7,933,506 6,863,270 1,155,034
Health Plan E | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 1,135,398 1,429,722 2,222,044
Health Plan F | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 3,236,511 3,222,247 4,227,155
Health Plan G | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 239,375 2,748,622 2,571,134
Health Plan H | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 2,124,913 428,755  
Health Plan I | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 250,591 17,908  
Health Plan J | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 136,586 141,922 $ 263,726
Health Plan K | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables   4,569  
Health Plan L | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables 174,859 $ 378,822  
Health Plan N | Capitated Revenue      
Health Plan [Line Items]      
Health Plan Settlement Receivables $ 1,912,792