Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Subsequent Events (Details) - USD ($) $ in Millions	Jul. 31, 2021	Jun. 30, 2020
Richter
Subsequent Event [Line Items]
Milestone payment revenue		$ 33.3
Richter \| Subsequent Event
Subsequent Event [Line Items]
Milestone payment revenue	$ 15.0
Pfizer \| Subsequent Event
Subsequent Event [Line Items]
Milestone payment revenue	$ 100.0