v3.26.1
RELATED PARTY TRANSACTIONS (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of transactions between related parties [line items]    
Key management personnel compensation $ 31,098 $ 27,221
Key management personnel compensation (in shares) 1,155,500  
Key management personnel compensation, share-based payment $ 7,031 $ 6,408
Techint Holdings S.à.r.l | Entities with joint control or significant influence over entity    
Disclosure of transactions between related parties [line items]    
Percentage of Company shares owned 65.03%  
Tenaris Investments S.a.r.l. | Entities with joint control or significant influence over entity    
Disclosure of transactions between related parties [line items]    
Percentage of Company shares owned 11.46%