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Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule of Investments [Line Items] |  |  |
Gain on interest in investment | $ 40,317 | $ 0 | $ 0
Mastery Logistics Systems, Inc. |  |  |
Schedule of Investments [Line Items] |  |  |
Initial value of ownership interest in investment | $ 10,000 |  |
Ownership interest in investment | 9.80% |  |
Gain on interest in investment | $ 28,200 |  |
Fair value of investment | 38,200 | $ 5,000 |
Investments in Autonomous Technology Companies |  |  |
Schedule of Investments [Line Items] |  |  |
Gain on interest in investment | $ 12,100 |  |

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