v3.26.1
Investments - Summary of Investments (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Equity Securities [Abstract]    
Investments $ 145,473 $ 66,628
Swedish treasury securities    
Debt Securities [Abstract]    
Debt Securities, Available-for-Sale 117,635 64,934
Finnish corporate notes    
Debt Securities [Abstract]    
Debt Securities, Available-for-Sale 26,483 0
Private equity funds    
Equity Securities [Abstract]    
Equity Securities, FV-NI, Current $ 1,355 $ 1,694