| Name | NoninterestExpenseDistributionAndServicingFees |
|---|---|
| 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 |
|---|---|---|---|
| Costs related to the marketing and selling of fund shares and servicing proprietary funds. Also includes cost of providing client or shareholder servicing, record keeping, or administrative services, and fund accounting fees, SEC filings, and other maintenance costs. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Noninterest Expense Distribution and Servicing Fees (Deprecated 2019-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |