IndexUp-front Payment Arrangement [Member]
| Name | UpFrontPaymentArrangementMember |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Category of deferred revenue by arrangement wherein all amount due is received from customer before delivery of goods or services, and revenue will be recognized upon customer acceptance of delivered goods or services. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Up-front Payment Arrangement [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |