Warrant liabilities - Additional Information (Details) - USD ($)		9 Months Ended
	Oct. 25, 2021	Sep. 30, 2022	Dec. 31, 2021
Class of Warrant or Right [Line Items]
Class of warrant or right outstanding		20,500,000	20,500,000
Warrant liability issuance costs	$ 491,000	$ 491,000
Public Warrants [Member]
Class of Warrant or Right [Line Items]
Class of warrant or right outstanding		10,000,000	10,000,000
Estimated Fair Value Of Warrants Determined Based On Publicy Observable Units From Trading In An Active Market Price Per Warrant		$ 0.16	$ 0.54
Private Placement Warrants [Member]
Class of Warrant or Right [Line Items]
Class of warrant or right outstanding		10,500,000	10,500,000