Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022		Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, gross carrying value	$ 156,629		$ 156,629
Finite-life intangible assets, accumulated amortization	51,726		43,548
Finite-life intangible assets, accumulated impairment losses	0		0
Finite-life intangible assets, net carrying value	104,903		113,081
Indefinite-life intangible assets, gross carrying value	352,275	[1]	352,275	[2]
Indefinite-life intangible assets, accumulated impairment losses	30,800	[1]	30,800	[2]
Indefinite-life intangible assets, net carrying value	321,475	[1]	321,475	[2]
Gross Carrying Value	508,904		508,904
Accumulated Impairment Losses	30,800		30,800
Net Carrying Value	426,378		434,556
Indefinite-life intangible assets, net carrying value	321,475	[1]	321,475	[2]
Trade Names
Finite-Lived Intangible Assets [Line Items]
Indefinite-life intangible assets, net carrying value	318,700
Indefinite-life intangible assets, net carrying value	318,700
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, gross carrying value	97,400		97,400
Finite-life intangible assets, accumulated amortization	28,679		22,186
Finite-life intangible assets, accumulated impairment losses	0		0
Finite-life intangible assets, net carrying value	$ 68,721		$ 75,214
Customer relationships | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted Average Amortization Period (Years)	10 years 7 months 6 days		11 years 7 months 6 days
Galapagos operating license
Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, gross carrying value	$ 47,669		$ 47,669
Finite-life intangible assets, accumulated amortization	11,487		9,802
Finite-life intangible assets, accumulated impairment losses	0		0
Finite-life intangible assets, net carrying value	$ 36,182		$ 37,867
Galapagos operating license | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted Average Amortization Period (Years)	21 years 7 months 6 days		22 years 7 months 6 days
Other finite-life intangible assets
Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, gross carrying value	$ 11,560		$ 11,560
Finite-life intangible assets, accumulated amortization	11,560		11,560
Finite-life intangible assets, accumulated impairment losses	0		0
Finite-life intangible assets, net carrying value	$ 0		$ 0

[1] Primarily relates to the Silversea Cruises trade name representing approximately $318.7 million.

[2] Primarily relates to the Silversea Cruises trade name representing approximately $318.7 million.