Annual report [Section 13 and 15(d), not S-K Item 405]

Employee Benefits and Share-Based Compensation - Amounts Related to Shipboard Retirement Plan (Details)

v3.25.4
Employee Benefits and Share-Based Compensation - Amounts Related to Shipboard Retirement Plan (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pension expense:      
Service cost $ 2,210 $ 2,875 $ 2,312
Interest cost $ 1,679 $ 1,677 $ 1,472
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Amortization of prior service cost $ 378 $ 378 $ 378
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Amortization of actuarial gain $ (315)   $ (123)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense)   Other Nonoperating Income (Expense)
Total pension expense $ 3,952 $ 4,930 $ 4,039
Change in projected benefit obligation:      
Projected benefit obligation at beginning of year 31,233 34,404 28,765
Service cost 2,210 2,875 2,312
Interest cost $ 1,679 $ 1,677 $ 1,472
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Actuarial (gain) loss $ 1,029 $ (6,740) $ 3,668
Direct benefit payments (1,422) (983) (1,813)
Projected benefit obligation at end of year 34,729 31,233 34,404
Amounts recognized in the consolidated balance sheets:      
Projected benefit obligation 34,729 31,233 34,404
Amounts recognized in accumulated other comprehensive income (loss):      
Prior service cost (1,513) (1,891) (2,269)
Accumulated actuarial loss 6,685 8,029 1,289
Accumulated other comprehensive income (loss) $ 5,172 $ 6,138 $ (980)