Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 345,868	$ (295,394)	$ 272,663	$ (1,787,429)
Other comprehensive income (loss):
Shipboard Retirement Plan	63	95	191	2,665
Cash flow hedges:
Net unrealized (gain) loss	57,885	(195,543)	34,833	(246,742)
Amount realized and reclassified into earnings	(6,563)	(31,762)	(13,890)	(75,339)
Total other comprehensive income (loss)	51,385	(227,210)	21,134	(319,416)
Total comprehensive income (loss)	$ 397,253	$ (522,604)	$ 293,797	$ (2,106,845)