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Schedule Of Significant Accounting Policies [Line Items]

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Summary of Significant Accounting Policies - Other (Details) $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) item shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2025 USD ($) item shares	Jun. 30, 2024 USD ($) shares	Dec. 31, 2024 USD ($)
Schedule Of Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share \| shares	59.3	7.1	70.1	53.3
Foreign currency transaction gain (loss)	$ (158,500)	$ 2,300	$ (181,000)	$ 15,600
Accounts receivable, net	265,782		265,782		$ 221,412
Ship, carrying value	$ 18,247,526		$ 18,247,526		$ 16,810,650
Number of cruise ships \| item	33		33
Sales Revenue, Net \| Geographic Concentration Risk
Schedule Of Significant Accounting Policies [Line Items]
Concentration risk, benchmark			No other individual country’s revenues exceed 10% in any given period.
Sales Revenue, Net \| Geographic Concentration Risk \| Minimum
Schedule Of Significant Accounting Policies [Line Items]
Percentage of revenue attributable to U.S.- sourced passengers			84.00%
Sales Revenue, Net \| Geographic Concentration Risk \| Maximum
Schedule Of Significant Accounting Policies [Line Items]
Percentage of revenue attributable to U.S.- sourced passengers			85.00%