Segment and Geographical Information - Schedule of Financial Information for Reportable Segments and Reconciliation to Consolidated Financial Results (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenue	$ 396,290	$ 115,794	$ 79,872
Less:
Cost of revenue	93,591	35,967	21,191
Stock-based compensation	234,588	10,679	30,235
Consolidated net loss	(83,421)	(26,257)	(58,345)
Reportable Segment
Segment Reporting Information [Line Items]
Revenue	396,290	115,794	79,872
Less:
Cost of revenue	93,591	35,967	21,191
Stock-based compensation	233,743	10,655	30,225
Personnel-related expenses	117,366	65,327	44,168
Other segment items	35,011	30,102	42,633
Consolidated net loss	$ (83,421)	$ (26,257)	$ (58,345)