Commitments and contingencies - Others (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Non-cancellable obligations	$ 8.5	$ 8.5
2022 deliverables (remaining three months)	3.8	3.8
2023 deliverables	4.7	4.7
Licensing fees from intellectual property licenses	0.4	1.1
Maximum
Lessee, Lease, Description [Line Items]
2024 deliverables	$ 0.1	$ 0.1

The amount of licensing fees from intellectual property licenses.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation to be paid in remainder of current fiscal year.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: