| Name | OperatingLeasesRentExpenseSubleaseRentals1 |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Operating Leases, Rent Expense, Sublease Rentals | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. | 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/otherTransitionRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Topic | 840 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Section | 55 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Paragraph | 40 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Subparagraph | (Note 3) | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| URI | http://asc.fasb.org/extlink&oid=121580752&loc=d3e38371-112697 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |