Other liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Other current liabilities
Lease liabilities	$ 3,013	$ 2,832
Total other current liabilities	3,013	2,832
Other non-current liabilities
Lease liabilities	18,729	20,294
Other	1,000	1,001
Total other non-current liabilities	$ 19,729	$ 21,295