S000024707 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 196 Months Ended | 199 Months Ended | 204 Months Ended | ||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|||
| MSCI AC World ex USA Index (reflects no deduction for fees or expenses) | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 32.39% | 7.91% | 8.41% | 8.03% | ||||
| MSCI AC World ex USA IMI Growth Index (reflects no deduction for fees or expenses) | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 25.74% | 4.03% | 7.86% | 8.32% | ||||
| Retail Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 20.81% | 1.43% | 7.48% | 9.08% | ||||
| Performance Inception Date | Dec. 31, 2008 | |||||||
| Retail Shares | After Taxes on Distributions | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 20.57% | 1.18% | 7.16% | 8.68% | ||||
| Performance Inception Date | Dec. 31, 2008 | |||||||
| Retail Shares | After Taxes on Distributions and Sales | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 12.49% | 1.22% | 6.11% | 7.70% | ||||
| Performance Inception Date | Dec. 31, 2008 | |||||||
| Institutional Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | [1] | 21.16% | 1.68% | 7.74% | 9.35% | |||
| Performance Inception Date | [1] | May 29, 2009 | ||||||
| R6 Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | [1] | 21.09% | 1.68% | 7.74% | 9.34% | |||
| Performance Inception Date | [1] | Aug. 31, 2016 | ||||||
| ||||||||