Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Intangible Assets

The following is a summary of our intangible assets as of December 31, 2022 (in thousands, except weighted average amortization period):

	As of December 31, 2022
	Remaining Weighted Average Amortization Period (Years)	Gross Carrying Value		Accumulated Amortization		Accumulated Impairment Losses		Net Carrying Value
Finite-life intangible assets:
Customer relationships	10.6	$	97,400	$	28,679	$	—	$	68,721
Galapagos operating license	21.6	47,669		11,487		—		36,182
Other finite-life intangible assets	0	11,560		11,560		—		—
Total finite-life intangible assets		156,629		51,726		—		104,903
Indefinite-life intangible assets (1)		352,275		—		30,800		321,475
Total intangible assets, net		$	508,904	$	51,726	$	30,800	$	426,378

(1) Primarily relates to the Silversea Cruises trade name representing approximately $318.7 million.

The following is a summary of our intangible assets as of December 31, 2021 (in thousands, except weighted average amortization period):

	As of December 31, 2021
	Remaining Weighted Average Amortization Period (Years)	Gross Carrying Value		Accumulated Amortization		Accumulated Impairment Losses		Net Carrying Value
Finite-life intangible assets:
Customer relationships	11.6	$	97,400	$	22,186	$	—	$	75,214
Galapagos operating license	22.6	47,669		9,802		—		37,867
Other finite-life intangible assets	0	11,560		11,560		—		—
Total finite-life intangible assets		156,629		43,548		—		113,081
Indefinite-life intangible assets (1)		352,275		—		30,800		321,475
Total intangible assets, net		$	508,904	$	43,548	$	30,800	$	434,556

(1) Primarily relates to the Silversea Cruises trade name representing approximately $318.7 million.

Schedule of Future Amortization Expense

The estimated future amortization for finite-life intangible assets for each of the next five years is as follows (in thousands):

Year
2023	$	8,179
2024	$	8,179
2025	$	8,179
2026	$	8,179
2027	$	8,179