Davenport Core Leaders Fund Common Stock Risk [Member] Sector Focus and Holdings Risk [Member] Foreign Securities Risk [Member] Market Capitalization Risk [Member] ETF Risk [Member] Inflation Risk [Member] Management Risk [Member] Davenport Value & Income Fund Sector Focus Risk [Member] Davenport Equity Opportunities Fund Davenport Small Cap Focus Fund Small Capitalization Risk [Member] RIC Risk [Member] Davenport Insider Buying Fund Davenport Balanced Income Fund Equity Securities Risk [Member] MLP Risk [Member] Fixed Income Risk [Member] Interest Rate Risk [Member] Maturity Risk [Member] Credit Risk [Member] Liquidity Risk [Member] Government Securities Risk [Member] Mortgage-Related Securities Risk [Member] Asset-Backed Securities Risk [Member] Risks Associated with Credit Ratings [Member] Government Street Equity Fund Large Company Risk [Member] Holdings Risk [Member] Government Street Opportunities Fund Mid-Cap Company Risk [Member] Small Cap Company Risk [Member] Jamestown Equity Fund Preferred Stock Risk [Member] Convertible Security Risk [Member] Davenport Core Leaders Fund Davenport Value & Income Fund Davenport Equity Opportunities Fund Davenport Small Cap Focus Fund Davenport Insider Buying Fund Davenport Balanced Income Fund Government Street Equity Fund Government Street Opportunities Fund Jamestown Equity Fund S&P 500 INDEX (reflects no deduction for fees, expenses, or taxes) LIPPER LARGE CAP CORE INDEX (reflects no deduction for fees, expenses, or taxes) Bloomberg U.S. 1000 Value Index (reflects no deduction for fees, expenses, or taxes) RUSSELL 1000 VALUE INDEX (reflects no deduction for fees, expenses, or taxes) Bloomberg U.S. Midcap Total Return Index (reflects no deduction for fees, expenses, or taxes) RUSSELL MIDCAP INDEX (reflects no deduction for fees, expenses, or taxes) Bloomberg U.S. 2000 Index (reflects no deduction for fees, expenses, or taxes) RUSSELL 2000 INDEX (reflects no deduction for fees, expenses, or taxes) BLOOMBERG INTERMEDIATE U.S GOVERNMENT/CREDIT INDEX (reflects no deduction for fees, expenses, or taxes 60% BLOOMBERG U.S. 1000 VALUE INDEX/40% BLOOMBERG INTERMEDIATE U.S. GOVERNMENT/CREDIT INDEX (reflects no deduction for fees, expenses, or taxes) 60% RUSSELL 1000 VALUE INDEX 40% BLOOMBERG INTERMEDIATE U.S. GOVERNMENT/CREDIT INDEX (reflects no deduction for fees, expenses, or taxes) RUSSELL 3000 INDEX (reflects no deduction for fees, expenses, or taxes) S&P MID-CAP 400 INDEX (reflects no deduction for fees, expenses, or taxes) Davenport Core Leaders Fund [Default Label] Davenport Value & Income Fund [Default Label] Davenport Equity Opportunities Fund [Default Label] Davenport Small Cap Focus Fund [Default Label] Davenport Insider Buying Fund [Default Label] Davenport Balanced Income Fund [Default Label] Government Street Equity Fund [Default Label] Government Street Opportunities Fund [Default Label] Jamestown Equity Fund [Default Label]