v3.25.4
Guggenheim Limited Duration Fund Average Annual Total Returns
 12 Months Ended 17 Months Ended 60 Months Ended 82 Months Ended 104 Months Ended 120 Months Ended 121 Months Ended
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
 [4]
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
 [4]
Dec. 31, 2025
Dec. 31, 2025
 [6]
Dec. 31, 2025
 [3]
Dec. 31, 2024
 [4]
Bloomberg U.S. Aggregate Bond Index(reflects no deduction for fees, expenses or taxes)[Member]                    
Prospectus [Line Items]                    
Average Annual Return, Percent [1]   7.30%   3.85%            
Bloomberg U.S. Aggregate Bond 1-3 Year Total Return Index(reflects no deduction for fees, expenses or taxes)[Member]                    
Prospectus [Line Items]                    
Average Annual Return, Percent [2]   7.30%   3.85%            
Class R6 Shares [Member] | Bloomberg U.S. Aggregate Bond Index(reflects no deduction for fees, expenses or taxes)[Member]                    
Prospectus [Line Items]                    
Average Annual Return, Percent   7.30% [3] 7.30%   (0.36%) [3] (0.36%) 1.80% [5] 1.84% 2.01% 1.60%
Class R6 Shares [Member] | Bloomberg U.S. Aggregate Bond 1-3 Year Total Return Index(reflects no deduction for fees, expenses or taxes)[Member]                    
Prospectus [Line Items]                    
Average Annual Return, Percent [7]   5.39%     1.98%   2.38%      
Class R6 Shares [Member] | Class R6                    
Prospectus [Line Items]                    
Average Annual Return, Percent   6.06%     2.97%   3.46%      
Performance Inception Date Mar. 13, 2019                  
Class R6 Shares [Member] | Class R6 | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   4.13%     1.48%   2.08%      
Class R6 Shares [Member] | Class R6 | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   3.56%     1.62%   2.06%      
[1] Bloomberg U.S. Aggregate Bond Index is an index that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market, including Treasuries, government-related and corporate securities, fixed-rate agency mortgage-backed securities, asset-backed securities and commercial mortgage-backed securities (agency and non-agency).
[2] Bloomberg U.S. Aggregate Bond Index is an index that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market, including Treasuries, government-related and corporate securities, fixed-rate agency mortgage-backed securities, asset-backed securities and commercial mortgage-backed securities (agency and non-agency).
[3] Bloomberg U.S. Aggregate Bond Index is an index that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market, including Treasuries, government-related and corporate securities, fixed-rate agency mortgage-backed securities, asset-backed securities and commercial mortgage-backed securities (agency and non-agency).
[4] Bloomberg U.S. Aggregate Bond Index is an index that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market, including Treasuries, government-related and corporate securities, fixed-rate agency mortgage-backed securities, asset-backed securities and commercial mortgage-backed securities (agency and non-agency).
[5] Bloomberg U.S. Aggregate Bond Index is an index that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market, including Treasuries, government-related and corporate securities, fixed-rate agency mortgage-backed securities, asset-backed securities and commercial mortgage-backed securities (agency and non-agency).
[6] Bloomberg U.S. Aggregate Bond Index is an index that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market, including Treasuries, government-related and corporate securities, fixed-rate agency mortgage-backed securities, asset-backed securities and commercial mortgage-backed securities (agency and non-agency).
[7] Bloomberg U.S. Aggregate Bond 1-3 Year Total Return Index is a subset of the Bloomberg U.S. Aggregate Bond Index, and measures the performance of publicly issued investment grade corporate, U.S. Treasury and government agency securities with remaining maturities of one to three years.