Accounting Policies - Summary of Activity to Product Returns, Distributor Fees and Discounts, Rebates and Administrative Fees (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Product Information [Line Items]
Balance	$ 27,939
Provision	30,016
Payments/credits	(34,210)
Balance	23,745
Product Returns
Product Information [Line Items]
Balance	2,351
Provision	152
Payments/credits	(79)
Balance	2,424
Distributor Fees
Product Information [Line Items]
Balance	3,999
Provision	4,219
Payments/credits	(4,221)
Balance	3,997
Discounts, Rebates and Administrative Fees
Product Information [Line Items]
Balance	21,589
Provision	25,645
Payments/credits	(29,910)
Balance	$ 17,324

Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from provisions of amounts previously written off or reestablishment of reserves that had previously been utilized.

No definition available.

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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

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- Definition

Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Amount of decrease in valuation and qualifying accounts and reserves.

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