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v3.21.1

Summary of Business and Significant Accounting Policies - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 USD ($) state insurance_carrier | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Number of health insurance carriers (more than) | insurance_carrier | 200 |  |
Number of states in which the Company is licensed to market and sell health insurance | state | 50 |  |
Total stock-based compensation expense | $ 11,402 | $ 8,714 |
Cost of revenue | 996 | 1,138 |
Decrease in net income (loss) | 800 | $ (3,452) |
Under-Recognition Of Stock-Based Compensation Expense |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Total stock-based compensation expense |  |  | $ 3,000
Out-Of-Period Adjustments |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Decrease in net income (loss) | $ 1,500 |  |
License | Over-Recognition Of Licensing Costs |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Cost of revenue |  |  | $ 1,500

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