Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | |
|---|---|---|---|
Dec. 31, 2022 |
Mar. 31, 2024 |
Dec. 31, 2022 |
|
| Commitments and Contingencies | |||
| Aggregate cost of ships on order, not including TUI cruises on order | $ 8,100.0 | ||
| Deposit for the purchase of ships expected to enter service | $ 748.0 | ||
| Plaintiff amount | $ 112.0 | ||
| Loss in period | $ 130.0 | ||
| Number of months considered to determine requirement of prepayment of debts | 24 months | ||
| Line of Credit | Minimum | |||
| Commitments and Contingencies | |||
| Debt instrument covenant, minimum percentage of ownership by a person | 50.00% | ||
| Debt Securities | Minimum | |||
| Commitments and Contingencies | |||
| Debt instrument covenant, minimum percentage of ownership by a person | 50.00% | ||