Details for Selection
| Standard label: | Customer Refundable Fees, Period Increase (Decrease) |
| Name: | us-gaap:CustomerRefundableFeesPeriodIncreaseDecrease |
| Documentation: | The net Increase or Decrease in customer refundable fees for the period presented. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |