Share-based compensation and stockholders' equity - Schedule of Stockholders' Equity Note, Warrants or Rights (Details) shares in Millions	Sep. 30, 2025 $ / shares shares
Class of Warrant or Right [Line Items]
Warrants Outstanding | shares	2.5
Warrants issued related to the Term Loan Agreement
Class of Warrant or Right [Line Items]
Warrants Outstanding | shares	2.5
Warrants issued related to the Term Loan Agreement | Minimum
Class of Warrant or Right [Line Items]
Range of Exercise Price per Share (in dollars per share) | $ / shares	$ 9.88
Warrants issued related to the Term Loan Agreement | Maximum
Class of Warrant or Right [Line Items]
Range of Exercise Price per Share (in dollars per share) | $ / shares	$ 15.72