Global Real Estate Securities Fund Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 168 Months Ended | 228 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| MSCI ACWI (All Country World Index) Index - Net (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 22.34% | 11.19% | 11.72% | 11.15% | 7.55% | ||||
| FTSE EPRA Nareit Developed Index - Net (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 9.58% | 2.76% | 3.25% | ||||||
| Institutional | Return Before Taxes[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 8.98% | 3.88% | 4.73% | ||||||
| Investor | After Taxes on Distributions | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [1] | 7.10% | 2.22% | 2.70% | |||||
| Investor | After Taxes on Distributions and Sales | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [1],[2] | 5.18% | 2.27% | 2.72% | |||||
| Investor | Return Before Taxes[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 8.54% | 3.56% | 4.43% | ||||||
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