Contract Acquisition Costs and Intangible Asset (Details) - Merger With RareGen LLC - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Contract Acquisition Costs and Intangible Asset
Business Combination, Amortization Expense	$ 0.5	$ 0.8	$ 1.3	$ 2.4
Amortization of Intangible Assets, Total	$ 0.2	$ 0.3	$ 0.6	$ 1.0

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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