For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Fair value measurements - Narrative (Details)	3 Months Ended		9 Months Ended
Fair value measurements - Narrative (Details)	Sep. 30, 2026 USD ($)	Sep. 30, 2025	Sep. 30, 2026 USD ($) segment	Sep. 30, 2025	Dec. 31, 2025 USD ($)
Fair value measurements and financial risk management
Number of operating segments			2
Number of reportable segments			2
Foreign exchange rates \| Hedging instrument
Fair value measurements and financial risk management
Notional amount \| $	$ 0		$ 0		$ 0
Retail dispensaries \| Revenue benchmark \| Product concentration risk
Fair value measurements and financial risk management
Concentration risk percentage	69.00%	71.00%	70.00%	73.00%