Prepaid expenses and other current assets - Schedule of Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid insurance	$ 3,205	$ 4,265
Prepaid expenses	1,663	1,933
Prepaid taxes	1,827	284
Pre-contract costs	3,605	546
Total prepaid expenses and other current assets	$ 10,300	$ 7,028