Commitments & contingencies - Additional information (Details) - USD ($)		2 Months Ended
	Oct. 02, 2020	Sep. 30, 2020
Commitments & contingencies [Line Items]
Granted term		45 days
Payments for office space and administrative support services per month		$ 10,000
Underwriting discount per unit		$ 0.20
Underwriting discount amount paid		$ 7,600,000
Underwriter reimbursement		$ 300,000
Deferred fee per unit		$ 0.35
Over-allotment
Commitments & contingencies [Line Items]
Number of units issued	4,950,000
Initial Public Offering
Commitments & contingencies [Line Items]
Number of units issued	37,950,000
Deferred underwriting fee payable	$ 13,300,000