v3.26.1
Intangible assets - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2025
Disclosure of detailed information about intangible assets [line items]      
Intangible assets $ 5,641,000 $ 64,300,000 $ 8,522,000
Impairment of 5G broadband platform intangible and tangible assets 251,000 707,000  
Disposals, intangible assets other than goodwill 18,100,000    
Goodwill 0 0 $ 3,676,000
Capitalized development costs      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets other than goodwill 55,200,000    
Capitalized development costs | Development Of The 5G      
Disclosure of detailed information about intangible assets [line items]      
Intangible assets 11,300,000 $ 18,400,000  
Licenses and acquired technology      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets other than goodwill 1,200,000    
Fair value of intangible assets $ 3,000,000.0