v3.26.3
BALANCE SHEET COMPONENTS - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 07, 2025
Sep. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2027
Dec. 31, 2024
Dec. 31, 2025
Aug. 02, 2023
Schedule of Balance Sheet Components [Line Items]                      
Impairment charges         $ 0 $ 0          
Impairment charges   $ 0   $ 0 15,000 $ 0 $ 15,000   $ 40,000    
Royalty rate utilized, percentage   5.00%       5.00%          
Intangible asset, royalty rate utilized, discount rate   14.50%       14.50%          
Intangible asset, weighted average cost of capital, discount rate, percentage   6.30%       6.30%          
Consideration, capitalized   $ 5,500       $ 5,500          
License agreement, amortization period   3 years       3 years          
Settlement charges   $ 0   $ 0   $ 15,400 $ 0        
Present value of liability     $ 21,400                
Undiscounted effective interest method, effective interest rate, percentage     9.50%                
Accrued expenses   5,700       5,700          
Other liabilities, non-current   8,350       8,350       $ 0  
Deferred revenue, current   17,342       17,342       15,936  
Deferred revenue, non-current   4,231       4,231       $ 3,929  
Deferred revenue, non-current   43,800       $ 43,800          
Standard product warranty, period           1 year          
Service                      
Schedule of Balance Sheet Components [Line Items]                      
Contract with customer, liability   21,500       $ 21,500          
Deferred revenue, current   17,300       17,300          
Deferred revenue, non-current   4,200       $ 4,200          
Contract with customer, liability, noncurrent, recognition (in years)           5 years          
Revenue recognized   2,500       $ 11,200          
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization                      
Schedule of Balance Sheet Components [Line Items]                      
Settlement charges     $ 500                
Income Statement Location [Axis]: us-gaap:OperatingExpenses                      
Schedule of Balance Sheet Components [Line Items]                      
Settlement charges     $ 15,400                
License to Patents and Patent Applications                      
Schedule of Balance Sheet Components [Line Items]                      
Consideration to be paid, 2026   8,000       8,000          
Consideration to be paid, 2027   5,000       5,000          
Consideration to be paid, 2028   5,000       5,000          
Consideration to be paid, 2029   $ 5,000       5,000          
License to Patents and Patent Applications | Scenario One | Forecast                      
Schedule of Balance Sheet Components [Line Items]                      
Increase of payment amount               $ 1,000      
Covenant, minimum revenue marker               165,000      
License to Patents and Patent Applications | Scenario Two | Forecast                      
Schedule of Balance Sheet Components [Line Items]                      
Increase of payment amount               1,000      
Covenant, minimum revenue marker               $ 180,000      
In Process Research and Development                      
Schedule of Balance Sheet Components [Line Items]                      
Indefinite-lived intangible assets, fair value         0            
Developed Technology and Intellectual Property                      
Schedule of Balance Sheet Components [Line Items]                      
Asset acquisition, consideration transferred $ 9,700                    
2025 Restructuring                      
Schedule of Balance Sheet Components [Line Items]                      
Restructuring and related cost, accelerated amortization         $ 359,300 $ 359,300          
Reduction in net loss, basic (in dollars per share)             $ 1.20        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01                      
Schedule of Balance Sheet Components [Line Items]                      
Revenue, remaining performance obligation, percentage   75.00%       75.00%          
Remaining performance obligation period   12 months       12 months          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-10-01                      
Schedule of Balance Sheet Components [Line Items]                      
Revenue, remaining performance obligation, percentage   19.00%       19.00%          
Remaining performance obligation period   12 months       12 months          
Technology-Based Intangible Assets                      
Schedule of Balance Sheet Components [Line Items]                      
Estimated Useful Life (in years)   3 years       3 years          
License                      
Schedule of Balance Sheet Components [Line Items]                      
Estimated Useful Life (in years)   3 years       3 years          
Apton                      
Schedule of Balance Sheet Components [Line Items]                      
Allocation of purchase price                     $ 55,000