Investment Objectives and Goals	Apr. 29, 2026
FPA Crescent Fund - Institutional and Investor Class Shares \| FPA Crescent Fund
Prospectus [Line Items]
Risk/Return [Heading]	FUND SUMMARY
Objective [Heading]	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	The Fund seeks to generate equity-like returns over the long-term, take less risk than the market and avoid permanent impairment of capital.
FPA Crescent Fund - Supra Institutional Class Shares \| FPA Crescent Fund
Prospectus [Line Items]
Risk/Return [Heading]	FUND SUMMARY
Objective [Heading]	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	The Fund seeks to generate equity-like returns over the long-term, take less risk than the market and avoid permanent impairment of capital.
FPA Flexible Fixed Income Fund - Institutional, Advisor and Investor Class \| FPA Flexible Fixed Income Fund
Prospectus [Line Items]
Risk/Return [Heading]	SUMMARY SECTION—FPA FLEXIBLE FIXED INCOME FUND
Objective [Heading]	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	FPA Flexible Fixed Income Fund seeks to provide long-term total return, which includes income and capital appreciation, while considering capital preservation.

FUND SUMMARY

The Fund seeks to generate equity-like returns over the long-term, take less risk than the market and avoid permanent impairment of capital.

Prospectus [Line Items]

Objective [Heading]

INVESTMENT OBJECTIVE

Risk/Return [Heading]

SUMMARY SECTION—FPA FLEXIBLE FIXED INCOME FUND

Objective, Primary [Text Block]

FPA Flexible Fixed Income Fund seeks to provide long-term total return, which includes income and capital appreciation, while considering capital preservation.