SHAREHOLDERS' EQUITY - Warrants (Details)	4 Months Ended
	Sep. 30, 2020 item $ / shares
Class of Warrant or Right [Line Items]
Exercise price of warrant	$ 11.50
Redeemable warrants
Class of Warrant or Right [Line Items]
Public Warrants exercisable term after the completion of a business combination	30 days
Public Warrants exercisable term from the closing of the initial public offering	12 months
Public Warrants expiration term	5 years
Threshold period for filling registration statement after business combination	15 days
Fair market value per share	$ 0.361
Number of trading days on which fair market value of shares is reported | item	10
Threshold issue price per share	$ 9.20
Percentage of gross proceeds on total equity proceeds	60.00%
Adjustment of exercise price of warrants based on market value and newly issued price (as a percent)	115.00%
Adjustment of redemption price of stock based on market value and newly issued price 2 (as a percent)	180
Threshold period for not to transfer, assign or sell any of their shares or warrants after the completion of the initial business combination	30 days
Redeemable warrants | Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $18.00
Class of Warrant or Right [Line Items]
Stock price trigger for redemption of public warrants (in dollars per share)	$ 18.00
Redemption price per public warrant (in dollars per share)	$ 0.01
Minimum threshold written notice period for redemption of public warrants	30 days
Threshold trading days for redemption of public warrants | item	20
Threshold business days before sending notice of redemption to warrant holders	30 days
Redeemable warrants | Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $10.00
Class of Warrant or Right [Line Items]
Stock price trigger for redemption of public warrants (in dollars per share)	$ 10.00
Redemption price per public warrant (in dollars per share)	$ 0.10
Minimum threshold written notice period for redemption of public warrants	30 days
Threshold trading days for redemption of public warrants | item	20
Threshold business days before sending notice of redemption to warrant holders	30 days