SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apr. 08, 2019 |
Apr. 30, 2019 |
Mar. 31, 2021 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Apr. 05, 2019 |
|
| Initial Public Offering | |||||||||||||||
| Federal depository insurance coverage | $ 250,000 | $ 250,000 | |||||||||||||
| Shares subject to possible redemption | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | |||
| Temporary Equity, Redemption Price Per Share | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | $ 10.00 | |||
| Income allocable to all shares | $ 800,000 | $ 5,600,000 | $ (18,900,000) | $ (27,200,000) | |||||||||||
| Remeasurement of ordinary shares subject to possible redemption | $ 31,300,000 | ||||||||||||||
| 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 | 7,187,500 | 7,187,500 | 7,187,500 | 7,187,500 | 7,187,500 | 7,187,500 | |||
| Basic and diluted weighted average shares outstanding of Public Shares | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | 28,750,000 | |||
| Unrecognized tax benefits | $ 0 | $ 0 | $ 0 | ||||||||||||
| Accrual for interest and penalties | 0 | 0 | $ 0 | ||||||||||||
| Cash equivalents | $ 0 | $ 0 | |||||||||||||
| Offering costs | $ 15,100,000 | ||||||||||||||
| Underwriter discounts | 14,400,000 | ||||||||||||||
| Total underwriters commission | 9,200,000 | $ 9,190,000 | |||||||||||||
| Other offering costs | $ 638,000 | ||||||||||||||
| IPO | |||||||||||||||
| Initial Public Offering | |||||||||||||||
| Shares subject to possible redemption | 28,750,000 | 28,750,000 | 28,750,000 | ||||||||||||
| Number of shares issued | 28,750,000 | 28,750,000 | |||||||||||||
| Public Shares | |||||||||||||||
| Initial Public Offering | |||||||||||||||
| Income(loss) allocation ratio | 80.00% | 80.00% | 80.00% | ||||||||||||
| Founder Shares | |||||||||||||||
| Initial Public Offering | |||||||||||||||
| Income(loss) allocation ratio | 20.00% | 20.00% | 20.00% | ||||||||||||
| Ordinary Shares | IPO | |||||||||||||||
| Initial Public Offering | |||||||||||||||
| Number of shares issued | 28,750,000 | ||||||||||||||