Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 60 Months Ended | 72 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
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| C000219574 [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Institutional Shares | ||||
| Average Annual Return, Percent | [1] | 18.45% | 7.66% | 13.44% | |
| Russell 2500 Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Russell 2500 Index | ||||
| Average Annual Return, Percent | 36.72% | 8.30% | 15.35% | ||
| Russell 3000 Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||
| Average Annual Return, Percent | 22.81% | 12.30% | 16.91% | ||
| Morningstar US Mid Cap Blend Funds Average [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Morningstar US Mid-Cap Blend Funds Average | ||||
| Average Annual Return, Percent | 23.00% | 8.61% | 14.63% | ||
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