International Equity Index Fund Average Annual Total Returns |
12 Months Ended | 44 Months Ended | 60 Months Ended | 120 Months Ended | 127 Months Ended | |||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| MSCI EAFE Index - Net (reflects no deduction for fees, expenses or taxes)[Member] | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 31.22% | 6.79% | 8.93% | 8.18% | ||||
| Institutional | Return Before Taxes[Member] | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 31.42% | 8.62% | 8.15% | 6.63% | ||||
| Performance Inception Date | Jun. 01, 2015 | |||||||
| Investor | After Taxes on Distributions | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | [1] | 28.74% | 11.78% | |||||
| Investor | After Taxes on Distributions and Sales | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | [1] | 19.00% | 9.88% | |||||
| Investor | Return Before Taxes[Member] | ||||||||
| Prospectus [Line Items] | ||||||||
| Average Annual Return, Percent | 30.96% | 12.98% | ||||||
| Performance Inception Date | Apr. 29, 2022 | |||||||
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