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Commitments and Contingencies - Concentration Risk (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Concentration Risk [Line Items] |  |  |  |  |  |  |
Percentage of cash and cash equivalents held with FDIC participating bank |  | 99.00% |  | 99.00% |  |  |
Cash and cash equivalents (including restricted cash) | [1] | $ 238,410 | $ 153,210 | $ 238,410 | $ 153,210 | $ 361,581 | $ 128,531
Percentage of cash held in international banks (less than) |  | 1.00% |  | 1.00% |  |  |
Discontinued Operations, Disposed of by Sale | True Health |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Revenue |  | $ 0 | 25,541 | $ 44,833 | 57,928 |  |
Premiums | Discontinued Operations, Disposed of by Sale | True Health |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Revenue |  | $ 0 | $ 25,502 | $ 44,795 | $ 57,649 |  |
Cook County Health and Hospitals System | Customer Concentration Risk | Accounts Receivable | Customer Receivable |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Concentration risk |  |  |  | 42.00% |  | 61.50% |
Cook County Health and Hospitals System | Customer Concentration Risk | Revenues |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Concentration risk |  | 29.60% | 21.80% | 29.20% | 21.40% |  |
Florida Blue Medicare, Inc. | Customer Concentration Risk | Accounts Receivable | Customer Receivable |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Concentration risk |  |  |  | 22.10% |  |  |
Florida Blue Medicare, Inc. | Customer Concentration Risk | Revenues |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Concentration risk |  | 14.20% |  | 14.50% |  |  |
Neighborhood Health Plan Of Rhode Island [Member] | Customer Concentration Risk | Accounts Receivable | Customer Receivable |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Concentration risk |  |  |  | 12.10% |  |  |
Passport | Customer Concentration Risk | Revenues |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |
Concentration risk |  |  | 27.70% |  | 26.10% |  |
[1] | As a result of the closing of the sale of True Health SPA, the consolidated statements of operations, consolidated balance sheets, and related financial information reflect the Company’s operations and assets and liabilities of True Health as discontinued operations for all periods presented. Cash flows and comprehensive income have not been adjusted and are included in the consolidated statements of cash flows and consolidated statements of comprehensive income (loss) for all periods presented. See Note 5.

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