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Guggenheim High Yield Fund Performance Management - Class R6 Shares [Member] - Guggenheim High Yield Fund
Sep. 30, 2025
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] <span style="color:#000000;font-family:Arial;font-size:10.02pt;font-weight:bold;">PERFORMANCE INFORMATION</span>
Performance Narrative [Text Block] The following chart and table provide some indication of the risks of investing in the Fund by showing the Fund’s Class R6 share calendar year performance from year to year and average annual returns for the one, five and ten year or, if shorter, since inception periods, as applicable, for the Fund’s Class R6 shares compared to those of a regulatorily required broad-based securities market index (Bloomberg U.S. Aggregate Bond Index) and an additional index (Bloomberg U.S. Corporate High Yield Index).As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling 800.820.0888. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown.
Performance Past Does Not Indicate Future [Text] <span style="font-family:Arial;font-size:10.02pt;">As with all mutual funds, past performance (before and after </span><span style="font-family:Arial;font-size:10.02pt;margin-left:0%;">taxes) is not necessarily an indication of how the Fund will perform in the future.</span>
Performance Information Illustrates Variability of Returns [Text] <span style="font-family:Arial;font-size:10.02pt;margin-left:0%;">The following chart and table provide some indication of the risks of investing in the Fund by showing the Fund’s Class R6 share calendar year performance from year to year and average annual returns for the one, five and ten year or, if shorter, since inception periods, as applicable, for the Fund’s Class R6 shares compared to those of a regulatorily required broad-based securities market index (Bloomberg U.S. Aggregate Bond Index) and an additional index (Bloomberg U.S. Corporate High Yield Index).</span>
Bar Chart Closing [Text Block] During the periods shown in the chart above:Quarter EndedReturnHighest QuarterJune 30, 20209.74%Lowest QuarterMarch 31, 2020-13.88%
Performance Table Heading <span style="font-family:Arial;font-size:10.02pt;">Average Annual Total Returns (for the periods ended December 31, 2025)</span>
Performance Table Narrative After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes.Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (“IRAs”).
Performance Table Uses Highest Federal Rate <span style="color:#000000;font-family:Arial;font-size:10.02pt;margin-left:0%;">After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes.</span>
Performance Table Not Relevant to Tax Deferred <span style="color:#000000;font-family:Arial;font-size:10.02pt;">Actual after-tax returns depend on an investor’s tax </span><span style="color:#000000;font-family:Arial;font-size:10.02pt;margin-left:0%;">situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund </span><span style="color:#000000;font-family:Arial;font-size:10.02pt;">shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts (“IRAs”).</span>
Performance Availability Website Address [Text] <span style="font-family:Arial;font-size:10.02pt;">www.guggenheiminvestments.com</span>
Performance Availability Phone [Text] <span style="font-family:Arial;font-size:10.02pt;">800.820.0888</span>
Class R6  
Prospectus [Line Items]  
Highest Quarterly Return, Label [Optional Text] <span style="font-family:Arial;font-size:10.02pt;">Highest Quarter</span>
Highest Quarterly Return 9.74%
Highest Quarterly Return, Date Jun. 30, 2020
Lowest Quarterly Return, Label [Optional Text] <span style="font-family:Arial;font-size:10.02pt;">Lowest Quarter</span>
Lowest Quarterly Return (13.88%)
Lowest Quarterly Return, Date Mar. 31, 2020