Shareholder Fees	Apr. 30, 2025 USD ($)
FPA Crescent Fund - Institutional and Investor Class Shares \| FPA Crescent Fund \| Institutional Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Exchange Fee	$ 0
FPA Crescent Fund - Institutional and Investor Class Shares \| FPA Crescent Fund \| Investor Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Exchange Fee	$ 0
FPA Crescent Fund - Supra Institutional Class Shares \| FPA Crescent Fund \| Supra Institutional Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Exchange Fee	$ 0
FPA Flexible Fixed Income Fund - Institutional and Advisor Class \| FPA Flexible Fixed Income Fund \| Institutional Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Redemption Fee	$ 0
Exchange Fee	$ 0
FPA Flexible Fixed Income Fund - Institutional and Advisor Class \| FPA Flexible Fixed Income Fund \| Advisor Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Redemption Fee	$ 0
Exchange Fee	$ 0

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection instruction
-Paragraph 2

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-Name Form N-1A
-Section 3
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