v3.26.1
Fair value measurement - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Fair value measurement    
Transfer of assets between level 1 to level2 $ 0 $ 0
Transfers of assets between Level 2 to Level 1 0 0
Transfer of liabilities between level 1 to level2 0 0
Transfers of liabilities between Level 2 to Level 1 $ 0 $ 0