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Fair value of financial instruments - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Fair Value Disclosures [Abstract]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	$ 0

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- References

No definition available.

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- Definition

Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

+ References

No definition available.

+ Details

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