General (Details) - Ships $ in Millions |
Dec. 31, 2025
USD ($)
|
|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Line Items] | |
| Average useful lives of property and equipment (in years) | 35 years |
| Residual value of original cost (percent) | 5.00% |
| Salvage value | $ 25 |