Income taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 131	$ 92
Effective income tax rate reconciliation, percent	(1.20%)
Effective income tax rate reconciliation, tax expense (benefit), share-based payment arrangement, amount	$ 600
Effective income tax rate reconciliation, at federal statutory income tax rate, without discrete items percent	(1.80%)
Effective income tax rate reconciliation, at federal statutory income tax rate, percent	21.00%
Deferred tax assets, valuation allowance	$ 54,700