v3.26.1
Fair value measurements - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Fair value measurements      
Equity securities gain or loss $ (278) $ (587) $ 11,179
Impairment of investments $ 15,000 $ 9,386 $ 0