| Form N-CSR Cover | 6 Months Ended |
| Dec. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | PFS FUNDS |
| Entity Central Index Key | 0001103243 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Dec. 31, 2024 |
| Shareholder Report | 6 Months Ended |
| Dec. 31, 2024 USD ($) shares | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | PFS FUNDS |
| Entity Central Index Key | 0001103243 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Dec. 31, 2024 |
| Institutional Shares | |
| Shareholder Report [Line Items] | |
| Fund Name | Castle Tandem Fund |
| Class Name | Castle Tandem Fund |
| Trading Symbol | TANDX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.castleim.com/tandx/literature/ 1-877-743-7820 |
| Additional Information Phone Number | 1-877-743-7820 |
| Additional Information Website | https://www.castleim.com/tandx/literature/ |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 Investment Costs Paid as a Percentage of a $10,000 Investment Castle Tandem Fund $61 1.18% |
| Expenses Paid, Amount | $ 61 |
| Expense Ratio, Percent | 1.18% |
| Performance Past Does Not Indicate Future [Text] | The Fund's past performance is not a good predictor of the Fund's future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns One Year Five Years Inception (A) 03/15/2019 Castle Tandem Fund 7.64% 7.85% 8.88% S&P 500 ® 25.02% 14.53% 15.36% |
| Performance Inception Date | Mar. 15, 2019 |
| Net Assets | $ 30,353,671 |
| Holdings Count | shares | 36 |
| Advisory Fees Paid, Amount | $ 158,701 |
| Investment Company, Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets ($) $30,353,671 Number of Portfolio Holdings 36 Portfolio Turnover Rate (%) 5% Total Advisory Fees Paid ($) $158,701 |
| Holdings [Text Block] | What did the Fund invest in? Top Ten Holdings (% of net assets) Goldman Sachs FS Government Fund Institutional Class 7.03% United States Treasury 3.93% Due 01/14/2025 4.93% Cboe Global Markets, Inc. 4.83% Visa Inc. - Class A 4.16% United States Treasury 3.46% Due 01/07/2025 4.11% Intercontinental Exchange, Inc. 3.68% FactSet Research Systems, Inc. 3.64% ResMed, Inc. 3.54% Abbott Laboratories 3.39% United States Treasury 4.10% Due 01/21/2025 3.29% Sectors (% of net assets) Sector % of Net Assets Health Care 18.70% Information Technology 18.18% Financials 16.84% Government Securities 12.33% Industrials 10.60% Net Assets * 7.00% Consumer Staples 6.65% Utilities 5.15% Communication Services 2.52% Real Estate Investment Trusts 2.03% * Net Assets represents cash equivalents and liabilities in excess of other assets. |
| Largest Holdings [Text Block] | Top Ten Holdings (% of net assets) Goldman Sachs FS Government Fund Institutional Class 7.03% United States Treasury 3.93% Due 01/14/2025 4.93% Cboe Global Markets, Inc. 4.83% Visa Inc. - Class A 4.16% United States Treasury 3.46% Due 01/07/2025 4.11% Intercontinental Exchange, Inc. 3.68% FactSet Research Systems, Inc. 3.64% ResMed, Inc. 3.54% Abbott Laboratories 3.39% United States Treasury 4.10% Due 01/21/2025 3.29% |
| Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | 60 Months Ended | 70 Months Ended | |||||||
| Dec. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Mar. 15, 2019 | |
| Institutional Shares | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | Castle Tandem Fund | |||||||||
| Account Value | $ 16,374 | $ 16,374 | $ 16,374 | $ 16,374 | $ 15,212 | $ 14,032 | $ 15,152 | $ 12,725 | $ 11,221 | $ 10,000 |
| Average Annual Return, Percent | 7.64% | 7.85% | 8.88% | |||||||
| S&P 500® Index | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | S&P 500® Index | |||||||||
| Account Value | $ 22,902 | $ 22,902 | $ 22,902 | $ 22,902 | $ 18,319 | $ 14,506 | $ 17,714 | $ 13,763 | $ 11,624 | $ 10,000 |
| Average Annual Return, Percent | 25.02% | 14.53% | 15.36% | |||||||
| Shareholder Report, Holdings (Details) - Institutional Shares | Dec. 31, 2024 |
| Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.70% |
| Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.18% |
| Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.84% |
| Government Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.33% |
| Industrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| Net Assets [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.65% |
| Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.15% |
| Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.52% |
| Real Estate Investment Trusts | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.03% |
| Goldman Sachs FS Government Fund Institutional Class | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.03% |
| United States Treasury 3.93% Due 01/14/2025 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.93% |
| Cboe Global Markets, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.83% |
| Visa Inc. - Class A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.16% |
| United States Treasury 3.46% Due 01/07/2025 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| Intercontinental Exchange, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.68% |
| FactSet Research Systems, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.64% |
| ResMed, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.54% |
| Abbott Laboratories | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.39% |
| United States Treasury 4.10% Due 01/21/2025 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.29% |
