CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 65,258	$ 17,664
Cost of revenue	14,738	13,406
Gross profit	50,520	4,258
Operating expenses
Research and development	53,558	15,267
Sales and marketing	55,510	4,393
General and administrative	24,419	3,525
Total operating expenses	133,487	23,185
Operating loss	(82,967)	(18,927)
Interest income	2,554	1,596
Loss before income taxes	(80,413)	(17,331)
Income tax provision	12,582	123
Net loss	(92,995)	(17,454)
Other comprehensive (loss) income
Unrealized (losses) gains on marketable securities, net of taxes	(318)	208
Total other comprehensive (loss) income	(318)	208
Total other comprehensive (loss) income	$ (93,313)	$ (17,246)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (1.77)	$ (0.49)
Diluted (in dollars per share)	$ (1.77)	$ (0.49)
Weighted-average shares used in calculating net loss per share attributable to common stockholders:
Basic (in shares)	52,532	35,826
Diluted (in shares)	52,532	35,826