Revenue - Gross Revenues by Significant Customer as a Percentage of Total Gross Revenues (Details) - Net Product Revenue - Customer Concentration Risk	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
McKesson
Concentration Risk
Percentage of total gross revenue	36.00%	39.00%	37.00%	39.00%
AmeriSource-Bergen Corp
Concentration Risk
Percentage of total gross revenue	46.00%	38.00%	45.00%	38.00%
Cardinal
Concentration Risk
Percentage of total gross revenue	17.00%	22.00%	17.00%	21.00%