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Prospectus SI Class [Member] Average Annual Total Returns - Prospectus-SI Class
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Russell 3000 Index (The returns for the indices are before any deduction for taxes, fees or expenses.)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.13% 13.12% 14.26%
Russell 1000 Value Index (The returns for the indices are before any deduction for taxes, fees or expenses.)      
Prospectus [Line Items]      
Average Annual Return, Percent 15.88% 11.29% 10.50%
Payden Equity Income Fund (SI Class)      
Prospectus [Line Items]      
Average Annual Return, Percent 11.57% 9.46% 9.71%
Payden Equity Income Fund (SI Class) | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 9.93% 6.47% 7.66%
Payden Equity Income Fund (SI Class) | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 8.01% 6.47% 7.38%