Revenue - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) pharmacy	Dec. 31, 2021 USD ($)
Risks and Uncertainties [Abstract]
Number of specialty pharmacies | pharmacy	2
Allowance for doubtful accounts	$ 6.7	$ 7.0
Change in estimate of uncollectible (percent)	0.50%
Change in revenue recognized due to 0.5% change in uncollectible percentage	$ 0.3