S000000699 [Member] Investment Objectives and Goals - Clearwater Tax-Exempt Bond Fund |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Clearwater Tax‑Exempt Bond Fund |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks high current income that is exempt from U.S. federal income tax, consistent with preservation of capital.
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