Revenues, Recognition and Allowances - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) transaction_type	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) segment product transaction_type	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Types of transactions | transaction_type	3		3
Segments | segment			1
Allowance for doubtful accounts	$ 2.7		$ 2.7		$ 2.4
Allowance for doubtful accounts related to one customer	1.7		$ 1.7		$ 1.7
Accounts receivable, terms of customer credit			100 days
Percentage of net sales for royalty			40.00%
Royalty expense	$ 0.2	$ 0.1	$ 0.4	$ 0.2
United States
Disaggregation of Revenue [Line Items]
Products manufactured, marketed and distributed | product			4