Derivatives - Fair value of assets and liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Derivatives
Fair value of derivative assets	$ 16,720	$ 13,658
Fair value of derivative liabilities	10,204	3,731
Designated as hedges
Derivatives
Fair value of derivative assets	1,357	3,355
Designated as hedges | Coffee futures contracts | Derivative assets
Derivatives
Fair value of derivative assets	1,143	3,355
Designated as hedges | Option contracts | Derivative assets
Derivatives
Fair value of derivative assets	214
Not designated as hedges
Derivatives
Fair value of derivative assets	15,363	10,303
Not designated as hedges | Forward purchase and sales contracts | Derivative assets
Derivatives
Fair value of derivative assets	15,363	10,303
Not designated as hedges | Forward purchase and sales contracts | Derivative liabilities
Derivatives
Fair value of derivative liabilities	$ 10,204	$ 3,731