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Fair Value Measurements - Summary of the changes in the fair value of the FPA liability (Details) - Fair Value, Inputs, Level 3 [Member] - Empower Ltd [Member] - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2021
Fair Value Liabilities Measured On Recurring Basis [Line Items] |  |  |
Beginning balance | $ 2,050,000 | $ 50,000 | $ 2,050,000
Recognized loss on change in fair value (1) | (300,000) | 2,000,000 | 1,500,000
Ending balance | $ 1,750,000 | $ 2,050,000 | $ 3,250,000

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- Definition Fpa liability fair value. + References No definition available. + Details
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- Definition Recognized loss on change in fair value. + References No definition available. + Details
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- Details
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- Details
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