Fair value measurements - Summary of Changes In The Fair Value of Warrant Liabilities (Detail) - USD ($)	3 Months Ended
Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Disclosure Of Change In The Fair Value Of The Derivative Warrant Liabilities [Line Items]
Level 3—Derivative warrant liabilities	$ 0	$ 0	$ 7,341,180
Transfer of Public Warrants to level 1			(7,084,000)
Transfer of Private Warrant to level 2			(257,180)
Change in fair value of derivative warrant liabilities	0	0	0
Level 3—Derivative warrant liabilities	$ 0	$ 0	$ 0

Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258

Name:	us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration