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Financial risk management objectives and policies - Interest rate risk (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Disclosure of detailed information about financial instruments [abstract]
Increase in Libor	15	15	15
Effect on loss (Increase in Libor)	$ (55)	$ (52)	$ (57)
Decrease in Libor/SOFR	(20)	(20)	(20)
Effect on loss (Decrease in Libor)	$ 73	$ 69	$ 75

X

- Definition

Decrease in market interest rates expressed in basis points. One basis point is equivalent to one hundredth of a percent.

+ References

No definition available.

+ Details

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- Definition

Increase in market interest rates expressed in basis points. One basis point is equivalent to one hundredth of a percent.

+ References

No definition available.

+ Details

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X

- Definition

Amount of the negative effect on profit or loss as a result of the conduct of a sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss would have been affected by changes in the relevant risk variable that were reasonably possible at that date.

+ References

No definition available.

+ Details

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- Definition

Amount of the positive effect on profit or loss as a result of the conduct of a sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss would have been affected by changes in the relevant risk variable that were reasonably possible at that date.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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