Summary of significant accounting policies and basis of preparation - Additional Information (Details)	12 Months Ended
Dec. 31, 2021
Disclosure Of Significant Accounting Policies [Line Items]
Vesting period	4 years
Contractual life	10 years
Minimum
Disclosure Of Significant Accounting Policies [Line Items]
Lease term	4 years
Maximum
Disclosure Of Significant Accounting Policies [Line Items]
Lease term	10 years

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

No definition available.

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration