| Name | ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:sharesItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 718 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 2 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (c)(1)(iv)(3)-(4) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation | |
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation | |
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecrease | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation | |
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable |