Stockholder's equity (Details) - At-The-Market - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Nov. 30, 2021	Mar. 31, 2024
Subsidiary, Sale of Stock [Line Items]
Issuance and sale of common stock		$ 14,089
Equity Distribution Agreement with Cowen and Company, LLC
Subsidiary, Sale of Stock [Line Items]
Issuance and sale of common stock		$ 71,900
Issuance of common stock, net (in shares)		13,686,743
Price per share (in dollars per share)		$ 5.42
Maximum | Equity Distribution Agreement with Cowen and Company, LLC
Subsidiary, Sale of Stock [Line Items]
Issuance and sale of common stock	$ 200,000