IndexCash and Securities Segregated under Commodity Exchange Act, Description (Deprecated 2019-01-31)
| Name | CashAndSecuritiesSegregatedUnderCommodityExchangeActDescription |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Description of cash and securities deposited in a special reserve account for the exclusive benefit of customers pursuant to the Commodity Exchange Act. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Cash and Securities Segregated under Commodity Exchange Act, Description (Deprecated 2019-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |