Derivative financial instruments - Schedule of derivative instruments (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Interest rate swap
Derivatives, Fair Value [Line Items]
Notional values	$ 310,721	[1]

[1] Number of open positions and gross notional values do not measure the Company’s risk of loss, quantify risk or represent assets or liabilities of the Company. Instead, they indicate the relative size of the derivative instruments and are used in the calculation of the amounts to be exchanged between counterparties upon settlements.