v3.26.1
Property and Equipment, Net - Schedule of Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 64,248 $ 64,248
Less: Accumulated depreciation and amortization (57,394) (56,613)
Property and equipment, net 6,854 7,635
Laboratory Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 23,852 23,852
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 4,058 4,058
Furniture and Office Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 4,523 4,523
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 30,954 30,954
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 861 $ 861