LOW-DURATION BOND FUND Average Annual Total Returns |
12 Months Ended | 35 Months Ended | 60 Months Ended | 102 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 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Average Annual Return, Percent | 7.30% | 3.74% | (0.36%) | 1.78% | 2.01% | 2.04% | 3.20% | ||||
| Bloomberg US Treasury 1-3 Year Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Average Annual Return, Percent | 5.17% | 1.75% | 1.83% | 1.45% | 2.04% | ||||||
| Institutional | Return Before Taxes[Member] | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Average Annual Return, Percent | 5.66% | 2.13% | 2.28% | ||||||||
| Investor | After Taxes on Distributions | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Average Annual Return, Percent | [1] | 3.56% | 0.71% | 1.09% | |||||||
| Investor | After Taxes on Distributions and Sales | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Average Annual Return, Percent | [1],[2] | 3.11% | 0.91% | 1.14% | |||||||
| Investor | Return Before Taxes[Member] | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Average Annual Return, Percent | 5.29% | 1.84% | 2.00% | ||||||||
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