Shareholder Service Fee All Other Expenses FPA Queens Road Small Cap Value Fund FPA Queens Road Value Fund Investor Class Advisor Class Institutional Class FPA Queens Road Value Fund Risks Associated with Investing in Equities [Member] Stock Market Volatility [Member] Small and Medium Cap Securities [Member] Small Cap Securities [Member] Risks Associated with Value Investing [Member] Issuer-Specific Changes [Member] Management Risk [Member] Market Risk [Member] Large Investor Risk [Member] Sector Focus Risk [Member] Recent Market Events [Member] Cybersecurity Risk [Member] Russell 3000 Index Russell 2000 Value Index S&P 500 Index S&P 500 Value Index Risks Associated With Investing In Equities Member index_ SP_500_ Index Member Large Investor Risk Member index_ SP_500_ Value_ Index Member S000080695 Member C000244001 Member Management Risk Member index_ Russell_2000_ Value_ Index Member Cybersecurity Risk Member Small And Medium Cap Securities Member Small Cap Securities Member Market Risk Member C000244000 Member Issuer Specific Changes Member Risks Associated With Value Investing Member C000244002 Member S000080694 Member Stock Market Volatility Member C000243218 Member Sector Focus Risk Member Recent Market Events Member index_ Russell_3000_ Index Member