Collaborative Arrangements - Tate & Lyle (Details) - Tate & Lyle - Commercial Agreement - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2020	Nov. 30, 2020
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Contingent receivable		$ 1.1
Milestone payment amount	$ 0.4

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.

No definition available.

Name:	us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration