Fair Value Measurements - Company's recurring measurements for assets and liabilities at fair value (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Convertible Notes
Recurring measurements for assets and liabilities at fair value
Balance at the beginning	$ 34,600	$ 11,689
Change in fair value	8,727	1,631
Exchange of convertible notes	(41,785)
Balance at the end	1,542	13,320
Warrant Liabilities
Recurring measurements for assets and liabilities at fair value
Balance at the beginning	3,276	1,187
Issuance of warrants	17,688	93,986
Change in fair value	(4,656)	(86,729)
Warrant cashless exercise		(6,418)
Balance at the end	16,308	2,026
Contingent consideration
Recurring measurements for assets and liabilities at fair value
Balance at the beginning	42	3,541
Change in fair value	(4)	(3,488)
Balance at the end	38	$ 53
Derivative Liability
Recurring measurements for assets and liabilities at fair value
Balance at the beginning	14,879
Change in fair value	1,743
Settlement of derivative liability	$ (16,622)