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Guggenheim Municipal Income Fund Average Annual Total Returns - A C Inst P Shares [Member]
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg Municipal Bond Index(reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 4.25% 0.80% 2.34%
Class A      
Prospectus [Line Items]      
Average Annual Return, Percent 0.92% (0.99%) 1.26%
Class A | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent (0.29%) (2.12%) 0.21%
Class A | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 0.52% (1.23%) 0.51%
Class C      
Prospectus [Line Items]      
Average Annual Return, Percent 3.40% (0.91%) 0.92%
Institutional Class      
Prospectus [Line Items]      
Average Annual Return, Percent 5.46% 0.09% 1.93%
Class P      
Prospectus [Line Items]      
Average Annual Return, Percent 5.18% (0.17%) 1.67%
[1] Bloomberg Municipal Bond Index is an index considered representative of the broad market for tax-exempt investment-grade municipal bonds. Bonds in the index have remaining maturities of at least one year.