Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) at beginning of period	$ (286,799)
Accumulated other comprehensive income (loss) at end of period	(252,521)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) at beginning of period	(286,799)	$ (241,830)
Current period other comprehensive income (loss) before reclassifications	41,685	(73,037)
Amounts reclassified into earnings	(7,407)	21,936
Accumulated other comprehensive income (loss) at end of period	(252,521)	(292,931)
Change Related to Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) at beginning of period	(280,343)	(234,981)
Current period other comprehensive income (loss) before reclassifications	39,304	(73,037)
Amounts reclassified into earnings	(7,502)	21,838
Accumulated other comprehensive income (loss) at end of period	(248,541)	(286,180)
Change Related to Shipboard Retirement Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) at beginning of period	(6,456)	(6,849)
Current period other comprehensive income (loss) before reclassifications	2,381
Amounts reclassified into earnings	95	98
Accumulated other comprehensive income (loss) at end of period	$ (3,980)	$ (6,751)