Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 210
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value measurements - Liabilities measured at recurring basis (Details) - USD ($)	Dec. 31, 2021	Jul. 01, 2021	Dec. 31, 2020
Liabilities [Abstract]
Earnout liability	$ 5,211,000	$ 18,300,000	$ 0
Warrant liability	8,847,000		$ 0
Recurring [Member] \| Level 1 [Member] \| Public Warrant [Member]
Liabilities [Abstract]
Warrant liability	39,614,000
Recurring [Member] \| Level 3 [Member]
Liabilities [Abstract]
Earnout liability	5,211,000
Recurring [Member] \| Level 3 [Member] \| Private Placement Warrants [Member]
Liabilities [Abstract]
Warrant liability	$ 8,847,000