Nature of the business (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net loss	$ (86,693)	$ (53,772)
Accumulated deficit	$ (1,035,272)		$ (948,579)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References + Details