v3.26.3
Significant Accounting Policies - Additional Information (Detail)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
Customer
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Segment
Customer
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Significant Accounting Policies [Line Items]          
Trade receivables, credit period     45 days    
Unrealized gain (loss) on held-to-maturity securities $ (300) $ 100 $ (300) $ 100  
Number of reportable segments | Segment     1    
Segment Reporting, Expense Information Used by CODM, Description     The CODM reviews significant segment expenses for our single reportable segment. Significant segment expenses include cost of goods sold, selling expenses, general and administrative expenses, research and development expenses, payroll and payroll related expenses, non-cash stock-based compensation expense, and restructuring, all of which are presented in our condensed consolidated statements of operations. Other segment items include interest income, net, other income (expense), net, and provision for income taxes, which are also presented in our condensed consolidated statements of operations.    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     srt:ChiefExecutiveOfficerMember    
Number of operating segments | Segment     1    
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description     The CODM uses consolidated net income (loss) to make operating decisions, allocate resources, and evaluate financial performance of the segment, primarily by monitoring actual results compared to forecasted results, as well as by reviewing year over year results.    
Restructuring expenses 0 9,406 $ 3,363 32,165  
Investments Securities          
Significant Accounting Policies [Line Items]          
Interest receivable in investment securities 1,400   1,400   $ 1,300
Global Restructuring Plan          
Significant Accounting Policies [Line Items]          
Restructuring expenses $ 0 $ 9,400 3,400 $ 32,200  
Cumulative restructuring charges     $ 39,600    
Gross Product Sales | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Number of customers | Customer 3   3    
Customer A | Gross Product Sales | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     30.00% 31.00%  
Customer A | Accounts Receivable | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     40.00%   43.00%
Customer B | Gross Product Sales | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     31.00% 29.00%  
Customer B | Accounts Receivable | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     30.00%   23.00%
Customer C | Gross Product Sales | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     26.00% 28.00%  
Customer C | Accounts Receivable | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     17.00%   17.00%
Minimum | Internal Revenue Service (IRS)          
Significant Accounting Policies [Line Items]          
Open tax year     2018    
Maximum | Internal Revenue Service (IRS)          
Significant Accounting Policies [Line Items]          
Open tax year     2019