Commitments and contingencies - Additional Information (Details) - Pending Litigation - Civil Action Brought By Former Employee - USD ($) $ in Thousands	Sep. 03, 2020	Sep. 30, 2020
Loss Contingencies [Line Items]
Damages sought	$ 5,426
Estimate of possible loss		$ 1,956
Loss contingency, receivable		$ 1,956

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.

No definition available.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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-Publisher FASB
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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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-Publisher FASB
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-Publisher FASB
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- Definition

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

+ References

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