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Non-controlling Interests (Details) - USD ($) $ in Millions |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 16, 2020 | Sep. 01, 2020 | May 28, 2019 | Dec. 31, 2020 | May 31, 2015
Passport | Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Consolidation of equity method investment |  | $ 25.7 |  |  |
Interest in investment | 30.00% | 30.00% | 30.00% |  |
Requirement to acquire ownership, consideration, amount |  | $ 20.0 |  |  |
Gain on consolidation |  |  |  | $ 5.7 |
Evolent Health LLC |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Parent's ownership percentage |  |  |  |  | 70.30%

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- Definition Variable Interest Entity, New Medicaid Contract Not Awarded, Requirement To Acquire Ownership, Consideration, Amount + References No definition available. + Details
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