Summary Of Significant Accounting Policies - Additional Information (Detail) - USD ($) |
4 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2018 |
Dec. 31, 2018 |
Dec. 31, 2019 |
|
| Shares excluded from weighted average shares | 1,237,500 | 1,237,500 | |
| Federal depository insurance coverage | $ 250,000 | ||
| IPO And Private Placement [Member] | |||
| Class of warrants to purchase common stock | 24,137,500 |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. No definition available.
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| X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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