v3.25.4
S000011750 [Member] Investment Risks - Payden Cash Reserves Money Market Fund
Oct. 31, 2025
Credit Risks [Member]  
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Credit Risk. Credit risk is the risk that the issuer of a debt security will be unable to make interest or principal payments on time and the related risk that the value of a debt security may decline because of concerns about the issuer’s ability or
 
willingness to make such payments. Generally, credit risk is often higher for bank, corporate, mortgage-backed, asset-backed and foreign government debt securities than for government securities.
Repurchase Agreement Risk [Member]  
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Repurchase Agreement Risk. If the seller of a repurchase agreement defaults or otherwise does not fulfill its obligations, the Fund may incur delays and losses arising from selling the underlying securities, enforcing its rights, or declining collateral value.
Government Securities Risk [Member]  
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Government Securities Risk. Obligations of U.S. Government agencies and authorities receive varying levels of support and may not be backed by the full faith and credit of the U.S. Government, which could affect the Fund’s ability to recover should they default. No assurance can be given that the U.S. Government will provide financial support to its agencies and authorities if it is not obligated by law to do so.
Management Risk [Member]  
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Management Risk. The investment techniques and analysis used by the Fund’s portfolio managers may not produce the desired results.
No Government Guarantee [Member]  
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No Government Guarantee. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Interest Rates [Member]  
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Interest Rates. Interest rate risk is the risk that the value of the Fund’s debt securities will fluctuate with changes in interest rates. For example, a decline in short-term interest rates would lower the Fund’s yield and the return on your investment. Factors such as government policy, inflation, the economy, and market for bonds can impact interest rates and yields.
Risk Lose Money [Member]  
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Risk [Text Block] You could lose money by investing in the Fund.
Risk Not Insured Depository Institution [Member]  
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Risk [Text Block] An investment in the Fund is not a bank account and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Money Market Fund May Not Preserve Dollar [Member]  
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Risk [Text Block] Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so.
Risk Money Market Fund Sponsor May Not Provide Support [Member]  
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Risk [Text Block] The Fund’s sponsor is not required to reimburse the Fund for losses, and you should not expect that the sponsor will provide financial support to the Fund at any time, including during periods of market stress.