Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Finite-life intangible assets, gross carrying value	$ 156,629	$ 156,629
Finite-life intangible assets, accumulated amortization	43,548	33,250
Finite-life intangible assets, accumulated impairment losses	0	0
Finite-life intangible assets, net carrying value	113,081	123,379
Indefinite-life intangible assets, gross carrying value	352,275	352,275
Indefinite-life intangible assets, accumulated impairment losses	30,800	30,800
Indefinite-life intangible assets, net carrying value	321,475	321,475
Gross Carrying Value	508,904	508,904
Accumulated Impairment Losses	30,800	30,800
Net Carrying Value	434,556	444,854
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	22,186	14,069
Finite-life intangible assets, accumulated impairment losses	0	0
Finite-life intangible assets, net carrying value	$ 75,214	$ 83,331
Customer relationships \| Weighted Average
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted Average Amortization Period (Years)	11 years 7 months 6 days	12 years 9 months 18 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	9,802	7,621
Finite-life intangible assets, accumulated impairment losses	0	0
Finite-life intangible assets, net carrying value	$ 37,867	$ 40,048
Galapagos operating license \| Weighted Average
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted Average Amortization Period (Years)	22 years 7 months 6 days	23 years 9 months 18 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

Accumulated Impairment Of Intangible Assets

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Accumulated Impairment Of Intangible Assets, Finite-Lived

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Accumulated Impairment Of Intangible Assets, Indefinite-Lived (Excluding Goodwill)

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Indefinite-Lived Intangible Assets, Gross (Excluding Goodwill)

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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