v3.26.1
Nature of Business, Basis of Presentation and Segment Information - Schedule of Revenue and Expense Categories in Single Operating Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Revenue from external customers $ 33,432 $ 37,929 $ 68,498 $ 67,944
Research and development expenses (28,957) (32,788) (62,754) (67,406)
Other segment income (44,497) (12,825) (40,128) (2,995)
Net loss (67,023) (37,252) (89,415) (60,714)
Product [Member]        
Segment Reporting [Line Items]        
Revenue from external customers 30,776 29,681 59,939 50,735
Cost of sales 1,085 1,051 2,430 2,352
Operating Segments [Member]        
Segment Reporting [Line Items]        
Revenue from external customers 33,432 37,929 68,498 67,944
Research and development expenses (29,945) (33,635) (63,961) (69,199)
Commercial expenses (12,046) (12,180) (23,465) (24,664)
General and administrative expenses (10,976) (11,702) (23,041) (22,110)
Other segment income (46,426) (16,649) (45,065) (10,415)
Net loss (67,023) (37,252) (89,415) (60,714)
Operating Segments [Member] | Product [Member]        
Segment Reporting [Line Items]        
Cost of sales $ (1,062) $ (1,015) $ (2,381) $ (2,270)