S000001249 [Member] Investment Objectives and Goals - ARIZONA TAX-EXEMPT FUND |
Mar. 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | ARIZONA TAX‑EXEMPT FUND |
| Objective [Heading] | INVESTMENT OBJECTIVE |
| Objective, Primary [Text Block] | The Fund seeks to provide high current income exempt from regular federal income tax and Arizona State personal income tax by investing in municipal instruments.
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