Fair Value Measurements - Summary Of Change in Derivative Warrant Liabilities Measured At Fair Value (Detail) - USD ($)	2 Months Ended	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative warrant liabilities, Beginning balance				$ 15,871,750	$ 15,871,750
Change in fair value of warrant liabilities	$ 0	$ (2,441,750)			2,298,250
Derivative warrant liabilities, Ending balance		18,170,000			18,170,000
Derivative Warrant Liabilities [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative warrant liabilities, Beginning balance		0	$ 4,376,750	15,871,750	15,871,750
Transfer of public warrant liabilities to Level 1				(8,625,000)
Change in fair value of warrant liabilities			0	(2,870,000)
Transfer of private warrant liabilities to Level 1			(4,376,750)
Derivative warrant liabilities, Ending balance		$ 0	$ 0	$ 4,376,750	$ 0