Segment Reporting - Schedule of Operating Segment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Number of operating segments | segment	1
Revenues
Total revenues	$ 333,615	$ 124,456	$ 52,158
Less:
Total cost of goods sold	50,556	17,795	4,117
Total operating expenses	311,009	169,937	111,800
Loss before provision for income taxes	(38,870)	(65,520)	(67,199)
Net loss	(39,136)	(66,067)	(67,207)
Reportable Segment
Revenues
Total revenues	333,615	124,456	52,158
Less:
Total cost of goods sold	50,556	17,795	4,117
Research and development	39,480	29,231	28,777
Selling expenses	162,957	80,028	10,750
General and administrative expenses	52,916	34,020	34,895
Stock-based compensation	37,381	13,530	25,144
Other segment expenses	18,275	13,128	12,234
Total operating expenses	311,009	169,937	111,800
Loss before provision for income taxes	(27,950)	(63,276)	(63,759)
Other reconciliation items	(11,186)	(2,791)	(3,448)
Net loss	(39,136)	(66,067)	(67,207)
Allocated facilities, information technology, and human resources	16,900	12,300	11,400
Product sales, net
Revenues
Total revenues	319,196	82,526	15,600
Less:
Total cost of goods sold	6,851	2,323	566
Product sales, net | Reportable Segment
Revenues
Total revenues	319,196	82,526	15,600
Less:
Total cost of goods sold	6,851	2,323	566
Other cost of revenue
Less:
Total cost of goods sold	43,705	15,472	3,551
Other cost of revenue | Reportable Segment
Revenues
Total revenues	14,419	41,930	36,558
Less:
Total cost of goods sold	$ 43,705	$ 15,472	$ 3,551