Fair Value Measurements - Additional Information (Detail) - USD ($) |
3 Months Ended | 6 Months Ended |
|---|---|---|
Sep. 30, 2020 |
Dec. 31, 2020 |
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| Fair Value Disclosures [Abstract] | ||
| Fair Value Adjustment of Warrants | $ (18,076,180) | $ 61,680,150 |
| X | ||||||||||
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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