S000010023 [Member] Investment Objectives and Goals - The Missouri Tax-Free Intermediate Bond Fund |
Oct. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | The Missouri Tax‑Free Intermediate Bond Fund – Summary |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Fund is to seek current income exempt from federal and, to the extent possible, from Missouri income taxes, as is consistent with the preservation of capital.
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