v3.26.1
Related Party Transactions - Schedule of dues payables to related party (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Related Party Transaction    
Vessels $ 30 $ 150
Drydocking supervision fee | KNOT Management    
Related Party Transaction    
Vessels 58 69
Drydocking supervision fee | KOAS    
Related Party Transaction    
Vessels $ (28) $ 81