Other liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other current liabilities
Lease liability	$ 3,106	$ 2,832
Total other current liabilities	3,106	2,832
Other non-current liabilities
Lease liability	17,919	20,294
Other	1,000	1,001
Total other non-current liabilities	$ 18,919	$ 21,295