Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 538,200
Accumulated Amortization	114,021
Net Carrying Value - finite intangible assets	424,179
ATRS-1902 (IPR&D) - indefinite	48,700
Total intangibles, net	$ 472,879	$ 546,652
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Amortization of intangible assets
Auto-Injector technology platform
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (in years)	7 years
Gross Carrying Value	$ 402,000
Accumulated Amortization	92,163
Net Carrying Value - finite intangible assets	$ 309,837
XYOSTED proprietary product
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (in years)	10 years
Gross Carrying Value	$ 136,200
Accumulated Amortization	21,858
Net Carrying Value - finite intangible assets	114,342
TLANDO product rights
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 2,500

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Indicates line item in statement of income or comprehensive income that includes impairment of finite-lived intangible asset.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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