| Standard label: | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement [Member] |
| Name: | us-gaap:CollaborativeArrangementTransactionWithPartyToCollaborativeArrangementMember |
| Documentation: | Collaborative arrangement transaction between parties to collaborative arrangement. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CollaborativeArrangementTransactionWithPartyToCollaborativeArrangementMember |
| Label | Role | Language |
| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 808 10 50 1 | http://www.xbrl.org/2009/role/commonPracticeRef | 808 |