Investors [Member] Average Annual Total Returns - Investor |
12 Months Ended | 60 Months Ended | 120 Months Ended | ||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| MSCI Frontier Emerging Markets (Net) Index (Reflects No Deduction for Fees, Expenses, or U.S. Taxes) | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 42.94% | 7.71% | 6.23% | ||
| Investor | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 16.63% | 4.30% | 3.80% | ||
| Investor | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | [1] | 15.78% | 4.03% | 3.60% | |
| Investor | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | [1] | 10.50% | 3.44% | 3.11% | |
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