SCB Classand Advisor Class [Member] Shareholder Fees - Institutional - International Small Cap Portfolio |
Sep. 30, 2025 |
|---|---|
| Advisor Class | |
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage) | 0.00% |
| Maximum Account Fee (as a percentage of Assets) | 0.00% |
| SCB Class | |
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage) | 0.00% |
| Maximum Account Fee (as a percentage of Assets) | 0.00% |