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Litigation (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Settled Litigation [Member] | Amphastar Pharmaceuticals vs Astellas-Gilead
Loss Contingencies [Line Items]
Litigation Settlement, amount paid to the Company	$ 5.4

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- Definition

Amount awarded from other party in judgment or settlement of litigation.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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