v3.26.1
Financial Statement Components - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]        
Inventory write-downs   $ 12,820 $ 20,133 $ 19,547
Depreciation and amortization   12,900 21,100 22,300
Tangible asset impairment charges $ 6,000      
Incremental accelerated depreciation charges   300 4,400  
Amortization expense   4,064 4,188 $ 4,300
Freedom Photonics [Member]        
Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill     3,396  
Freedom Photonics [Member] | ATS [Member]        
Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill     3,396  
Goodwill impairment charge   18,100    
Freedom Photonics [Member] | Autonomy Solutions [Member]        
Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill     $ 0  
Goodwill impairment charge   0    
Optogration, Inc. [Member]        
Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill   2,244    
Optogration, Inc. [Member] | ATS [Member]        
Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill   2,244    
Optogration, Inc. [Member] | Autonomy Solutions [Member]        
Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill   $ 0