v3.23.1
Revenue - Commission Revenue by Segment (Details) - USD ($)
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Disaggregation of Revenue [Line Items]    
Total revenue $ 73,723,000 $ 105,250,000
Basic (in dollars per share) $ (1.01) $ (1.46)
Diluted (in dollars per share) $ (1.01) $ (1.46)
Commission    
Disaggregation of Revenue [Line Items]    
Total revenue $ 68,003,000 $ 93,850,000
Commission revenue from members approved during the period    
Disaggregation of Revenue [Line Items]    
Total revenue 63,325,000 90,325,000
Commission revenue from renewals of small business members during the period    
Disaggregation of Revenue [Line Items]    
Total revenue 3,113,000 3,037,000
Total Net Commission Revenue from Members Approved in Prior Periods    
Disaggregation of Revenue [Line Items]    
Total revenue $ 1,565,000 $ 488,000
Basic (in dollars per share) $ 0.06 $ 0.02
Diluted (in dollars per share) $ 0.06 $ 0.02
Change in revenue $ 0 $ 0
Medicare | Commission    
Disaggregation of Revenue [Line Items]    
Total revenue 56,669,000 84,334,000
Medicare | Commission revenue from members approved during the period    
Disaggregation of Revenue [Line Items]    
Total revenue 56,617,000 84,283,000
Medicare | Commission revenue from renewals of small business members during the period    
Disaggregation of Revenue [Line Items]    
Total revenue 0  
Medicare | Total Net Commission Revenue from Members Approved in Prior Periods    
Disaggregation of Revenue [Line Items]    
Total revenue 52,000 51,000
Individual, Family and Small Business | Commission    
Disaggregation of Revenue [Line Items]    
Total revenue 11,334,000 9,516,000
Individual, Family and Small Business | Commission revenue from members approved during the period    
Disaggregation of Revenue [Line Items]    
Total revenue 6,708,000 6,042,000
Individual, Family and Small Business | Commission revenue from renewals of small business members during the period    
Disaggregation of Revenue [Line Items]    
Total revenue 3,113,000 3,037,000
Individual, Family and Small Business | Total Net Commission Revenue from Members Approved in Prior Periods    
Disaggregation of Revenue [Line Items]    
Total revenue $ 1,513,000 $ 437,000