v3.25.2
Property, Plant and Equipment and Intangible Assets - Additional Information (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2025
USD ($)
OceanShips
Vessel
ExpeditionShips
Property Plant And Equipment And Intangible Assets [line Items]  
Number of vessels | Vessel 84
Number of ocean ships | OceanShips 12
Number of expedition ships | ExpeditionShips 2
Longships  
Property Plant And Equipment And Intangible Assets [line Items]  
Number of vessels | Vessel 58
Longships-Seine  
Property Plant And Equipment And Intangible Assets [line Items]  
Number of vessels delivered | Vessel 1
Small Classes  
Property Plant And Equipment And Intangible Assets [line Items]  
Number of vessels | Vessel 11
River Vessels  
Property Plant And Equipment And Intangible Assets [line Items]  
Number of vessels | Vessel 13
Additions to property, plant and equipment | $ $ 29.4
River Vessel Charters  
Property Plant And Equipment And Intangible Assets [line Items]  
Number of vessels | Vessel 2
River Vessels Under Construction  
Property Plant And Equipment And Intangible Assets [line Items]  
Property, plant and equipment, payments under construction | $ $ 213.7
River vessels - Delivery Viking Hathor and Viking Sobek  
Property Plant And Equipment And Intangible Assets [line Items]  
Reclassification of river vessels under construction to river vessels and equipment | $ 39.6
Ocean and Expedition Ships Under Construction  
Property Plant And Equipment And Intangible Assets [line Items]  
Property, plant and equipment, payments under construction | $ 552.4
Property, plant and equipment capitalized interest | $ 10.8
Ocean And Expedition Ships - Delivery Viking Vesta  
Property Plant And Equipment And Intangible Assets [line Items]  
Reclassification of ocean and expedition ships under construction to ocean and expedition ships and equipment | $ $ 505.8