Commitments and Contingencies - Legal (Details) - USD ($) $ in Thousands		1 Months Ended	9 Months Ended
Dec. 02, 2020	Jan. 31, 2021	Sep. 30, 2021
Commitments and Contingencies
Proceeds from product rights disposal	$ 7,500		$ 7,300
Gain on sales of product rights, net		$ 5,600	$ 5,636

The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration