| Name | OwnshareLendingArrangementCounterpartyDefaultChangesInValueShares |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Own-share Lending Arrangement, Counterparty Default, Changes in Value, Shares | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This item represents, in periods subsequent to the period in which the entity concludes it is probable that the counterparty (share borrower) to a share-lending arrangement will default, the amount of change in the fair value of the entity's shares, associated with an own-share lending arrangement, recognized in earnings for the period. | 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 | 470 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 20 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 2C | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=7656903&loc=SL6757497-112611 | http://fasb.org/us-gaap/role/ref/legacyRef |