Derivatives - Fair value of assets and liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Derivatives
Fair value of derivative assets	$ 15,424	$ 13,658
Fair value of derivative liabilities	4,229	3,731
Designated as hedges
Derivatives
Fair value of derivative assets	2,772	3,355
Designated as hedges | Coffee futures contracts | Derivative assets
Derivatives
Fair value of derivative assets	2,772	3,355
Not designated as hedges
Derivatives
Fair value of derivative assets	12,652	10,303
Not designated as hedges | Forward purchase and sales contracts | Derivative assets
Derivatives
Fair value of derivative assets	12,652	10,303
Not designated as hedges | Forward purchase and sales contracts | Derivative liabilities
Derivatives
Fair value of derivative liabilities	$ 4,229	$ 3,731