Summary of Significant Accounting Policies (Detail) - USD ($) |
2 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Dec. 31, 2019 |
Apr. 05, 2019 |
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| Initial Public Offering | |||||||||||
| Offering costs | $ (15,075,329) | $ (15,075,329) | |||||||||
| Underwriter discounts | $ 14,400,000 | 14,400,000 | |||||||||
| Total underwriters commission | 9,190,000 | $ 9,190,000 | |||||||||
| Other offering costs | $ 638,000 | $ 638,000 | $ 638,000 | ||||||||
| Shares subject to possible redemption | 0 | 27,930,364 | 27,930,364 | 27,942,373 | |||||||
| Federal depository insurance coverage | $ 250,000 | ||||||||||
| Gain on marketable securities, dividends and interest held in Trust Account | $ 86,803 | $ 1,561,854 | $ 1,201,382 | $ 3,322,448 | 4,554,158 | ||||||
| Net income | $ (2,694) | (971,489) | $ (110,220) | $ 961,618 | 1,450,104 | $ 1,640,103 | $ (13,739) | (120,091) | 3,076,468 | 4,226,759 | |
| Loss from operations | $ (2,694) | $ (1,058,292) | $ (111,750) | $ (1,321,473) | $ (245,980) | $ (327,399) | |||||
| Basic and diluted weighted average shares outstanding of Founder Shares | 7,187,500 | 7,187,500 | 7,187,500 | 7,187,500 | 7,187,500 | 7,187,500 | |||||
| Unrecognized tax benefits | $ 0 | $ 0 | $ 0 | ||||||||
| Accrual for interest and penalties | $ 0 | 0 | 0 | ||||||||
| Private Placement | |||||||||||
| Initial Public Offering | |||||||||||
| Purchase of ordinary shares | $ 22,125,000 | $ 22,125,000 | |||||||||
| Ordinary Shares | |||||||||||
| Initial Public Offering | |||||||||||
| Number of shares issued | 28,750,000 | 28,750,000 | 28,750,000 | ||||||||
| Adjustments | |||||||||||
| Initial Public Offering | |||||||||||
| Shares subject to possible redemption | 28,827,344 | ||||||||||
| X | ||||||||||
- Definition Average number of Founder shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). No definition available.
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| X | ||||||||||
- Definition Amount of gain on marketable securities, dividends and interest held in Trust Account. No definition available.
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| X | ||||||||||
- Definition Offering costs of professional, printing, filing, regulatory and other costs associated with IPO. No definition available.
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| X | ||||||||||
- Definition The shares represents the purchase of ordinary shares. No definition available.
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| X | ||||||||||
- Definition Aggregate committed underwriting commission extended to underwriters in the sale of shares. No definition available.
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| X | ||||||||||
- Definition Shares subject to possible redemption. No definition available.
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| X | ||||||||||
- Definition The amount of underwriter discounts. No definition available.
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| X | ||||||||||
- Definition Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. 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 The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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