Stockholder's equity (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	38 Months Ended
	Oct. 31, 2024	Mar. 31, 2024	Dec. 31, 2024	Jun. 30, 2025	May 31, 2025	Nov. 30, 2021
Subsidiary, Sale of Stock [Line Items]
Common stock, shares authorized (in shares)			150,000,000	300,000,000
At-The-Market
Subsidiary, Sale of Stock [Line Items]
Issuance and sale of common stock		$ 14,089
At-The-Market | Equity Distribution Agreement with Cowen and Company, LLC
Subsidiary, Sale of Stock [Line Items]
Issuance of common stock, net (in shares)			15,318,264
Price per share (in dollars per share)			$ 5.54
Issuance and sale of common stock			$ 82,300
Maximum | At-The-Market | Equity Distribution Agreement with Cowen and Company, LLC
Subsidiary, Sale of Stock [Line Items]
Sale of stock, value authorized for sale						$ 200,000
Maximum | Atm Offerings | Equity Distribution Agreement With TD Securities (USA) LLC
Subsidiary, Sale of Stock [Line Items]
Issuance and sale of common stock	$ 200,000
Common stock, shares authorized (in shares)					150,000,000