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Re:
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Aquila Funds Trust (File Nos. 2-79722 and 811-3578)
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Aquila Municipal Trust (File Nos. 33-1857 and 811-4503)
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Hawaiian Tax-Free Trust (File Nos. 2-92583 and 811-4084)
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The Cascades Trust (File Nos. 33-4382 and 811-4626)
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(the “Registrants”),
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with respect to the funds listed on Schedule A (each a “Fund”)
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| Label | Element | Value |
|---|---|---|
| AQUILA MUNICIPAL TRUST | AQUILA TAX-FREE TRUST OF ARIZONA | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Supplement to Prospectus [Text Block] | rr_SupplementToProspectusTextBlock | Aquila Municipal Trust Aquila Tax-Free Trust of Arizona Aquila Tax-Free Fund of Colorado Aquila Churchill Tax-Free Fund of Kentucky Aquila Narragansett Tax-Free Income Fund Aquila Tax-Free Fund For Utah Hawaiian Tax-Free Trust The Cascades Trust Aquila Tax-Free Trust of Oregon Supplement Dated March 30, 2020 to each Fund’s Summary Prospectus and Prospectus
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| Risk/Return [Heading] | rr_RiskReturnHeading | AQUILA TAX-FREE TRUST OF ARIZONA |
| Risk Narrative [Text Block] | rr_RiskNarrativeTextBlock | The following supplements the information under the heading “Principal Risks” in each Fund’s Summary Prospectus and Prospectus: Recent events. The respiratory illness COVID-19 caused by a novel coronavirus has resulted in a global pandemic and major disruption to economies and markets around the world, including the United States. Global financial markets have experienced extreme volatility and severe losses, and trading in many instruments has been disrupted. Liquidity for many instruments has been greatly reduced for periods of time. Some interest rates are very low and in some cases yields are negative. Some sectors of the economy and individual issuers have experienced particularly large losses. These circumstances may continue for an extended period of time, and may continue to affect adversely the value and/or liquidity of the Fund’s investments. The ultimate economic fallout from the pandemic, and the long-term impact on economies, markets, industries and individual issuers, are not known. Governments and central banks, including the Federal Reserve in the U.S., have taken extraordinary and unprecedented actions to support local and global economies and the financial markets. The impact of these measures, and whether they will be effective to mitigate the economic and market disruption, will not be known for some time.
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| Label | Element | Value |
|---|---|---|
| AQUILA MUNICIPAL TRUST | Aquila Churchill Tax-Free Fund of Kentucky | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Supplement to Prospectus [Text Block] | rr_SupplementToProspectusTextBlock | Aquila Municipal Trust Aquila Tax-Free Trust of Arizona Aquila Tax-Free Fund of Colorado Aquila Churchill Tax-Free Fund of Kentucky Aquila Narragansett Tax-Free Income Fund Aquila Tax-Free Fund For Utah Hawaiian Tax-Free Trust The Cascades Trust Aquila Tax-Free Trust of Oregon Supplement Dated March 30, 2020 to each Fund’s Summary Prospectus and Prospectus
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| Risk/Return [Heading] | rr_RiskReturnHeading | Aquila Churchill Tax-Free Fund of Kentucky |
| Risk Narrative [Text Block] | rr_RiskNarrativeTextBlock | The following supplements the information under the heading “Principal Risks” in each Fund’s Summary Prospectus and Prospectus: Recent events. The respiratory illness COVID-19 caused by a novel coronavirus has resulted in a global pandemic and major disruption to economies and markets around the world, including the United States. Global financial markets have experienced extreme volatility and severe losses, and trading in many instruments has been disrupted. Liquidity for many instruments has been greatly reduced for periods of time. Some interest rates are very low and in some cases yields are negative. Some sectors of the economy and individual issuers have experienced particularly large losses. These circumstances may continue for an extended period of time, and may continue to affect adversely the value and/or liquidity of the Fund’s investments. The ultimate economic fallout from the pandemic, and the long-term impact on economies, markets, industries and individual issuers, are not known. Governments and central banks, including the Federal Reserve in the U.S., have taken extraordinary and unprecedented actions to support local and global economies and the financial markets. The impact of these measures, and whether they will be effective to mitigate the economic and market disruption, will not be known for some time.
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