Shareholder Report |
6 Months Ended | |||||||||||||
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Jun. 30, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | ||||||||||||||
| Document Type | N-CSRS | |||||||||||||
| Amendment Flag | false | |||||||||||||
| Registrant Name | WESMARK FUNDS | |||||||||||||
| Entity Central Index Key | 0001007226 | |||||||||||||
| Entity Investment Company Type | N-1A | |||||||||||||
| Document Period End Date | Jun. 30, 2026 | |||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |||||||||||||
| C000014907 | ||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||
| Trading Symbol | WMBLX | |||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about WesMark Balanced Fund for the period of January 1, 2026 to June 30, 2026. | |||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.wesmarkfunds.com. You can also request this information by contacting us at 1-800-864-1013. | |||||||||||||
| Additional Information Phone Number | 1-800-864-1013 | |||||||||||||
| Additional Information Website | www.wesmarkfunds.com | |||||||||||||
| Expenses Paid, Amount | $ 63 | |||||||||||||
| Expense Ratio, Percent | 1.22% | [1] | ||||||||||||
| AssetsNet | $ 103,682,085 | |||||||||||||
| Holdings Count | Holding | 130 | |||||||||||||
| Advisory Fees Paid, Amount | $ 375,178 | |||||||||||||
| InvestmentCompanyPortfolioTurnover | 10.00% | |||||||||||||
| C000014908 | ||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||
| Trading Symbol | WMBDX | |||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about WesMark Government Bond Fund for the period of January 1, 2026 to June 30, 2026. | |||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.wesmarkfunds.com. You can also request this information by contacting us at 1-800-864-1013. | |||||||||||||
| Additional Information Phone Number | 1-800-864-1013 | |||||||||||||
| Additional Information Website | www.wesmarkfunds.com | |||||||||||||
| Expenses Paid, Amount | $ 51 | |||||||||||||
| Expense Ratio, Percent | 1.03% | [2] | ||||||||||||
| AssetsNet | $ 172,088,401 | |||||||||||||
| Holdings Count | Holding | 101 | |||||||||||||
| Advisory Fees Paid, Amount | $ 503,489 | |||||||||||||
| InvestmentCompanyPortfolioTurnover | 7.00% | |||||||||||||
| C000014909 | ||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||
| Trading Symbol | WMKGX | |||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about WesMark Large Company Fund for the period of January 1, 2026 to June 30, 2026. | |||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.wesmarkfunds.com. You can also request this information by contacting us at 1-800-864-1013. | |||||||||||||
| Additional Information Phone Number | 1-800-864-1013 | |||||||||||||
| Additional Information Website | www.wesmarkfunds.com | |||||||||||||
| Expenses Paid, Amount | $ 59 | |||||||||||||
| Expense Ratio, Percent | 1.13% | [3] | ||||||||||||
| AssetsNet | $ 363,985,654 | |||||||||||||
| Holdings Count | Holding | 60 | |||||||||||||
| Advisory Fees Paid, Amount | $ 1,273,210 | |||||||||||||
| InvestmentCompanyPortfolioTurnover | 16.00% | |||||||||||||
| C000014910 | ||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||
| Trading Symbol | WMKSX | |||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about WesMark Small Company Fund for the period of January 1, 2026 to June 30, 2026. | |||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.wesmarkfunds.com. You can also request this information by contacting us at 1-800-864-1013. | |||||||||||||
| Additional Information Phone Number | 1-800-864-1013 | |||||||||||||
| Additional Information Website | www.wesmarkfunds.com | |||||||||||||
| Expenses Paid, Amount | $ 66 | |||||||||||||
| Expense Ratio, Percent | 1.18% | [4] | ||||||||||||
| AssetsNet | $ 183,888,913 | |||||||||||||
| Holdings Count | Holding | 93 | |||||||||||||
| Advisory Fees Paid, Amount | $ 606,753 | |||||||||||||
| InvestmentCompanyPortfolioTurnover | 36.00% | |||||||||||||
| C000179136 | ||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||
| Trading Symbol | WMKTX | |||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about WesMark Tactical Opportunity Fund for the period of January 1, 2026 to June 30, 2026. | |||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.wesmarkfunds.com. You can also request this information by contacting us at 1-800-864-1013. | |||||||||||||
| Additional Information Phone Number | 1-800-864-1013 | |||||||||||||
| Additional Information Website | www.wesmarkfunds.com | |||||||||||||
| Expenses Paid, Amount | $ 69 | |||||||||||||
| Expense Ratio, Percent | 1.36% | [5] | ||||||||||||
| AssetsNet | $ 52,842,696 | |||||||||||||
| Holdings Count | Holding | 19 | |||||||||||||
| Advisory Fees Paid, Amount | $ 191,366 | |||||||||||||
| InvestmentCompanyPortfolioTurnover | 9.00% | |||||||||||||
| C000014911 | ||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||
| Trading Symbol | WMKMX | |||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about WesMark West Virginia Municipal Bond Fund for the period of January 1, 2026 to June 30, 2026. | |||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at www.wesmarkfunds.com. You can also request this information by contacting us at 1-800-864-1013. | |||||||||||||
| Additional Information Phone Number | 1-800-864-1013 | |||||||||||||
| Additional Information Website | www.wesmarkfunds.com | |||||||||||||
| Expenses Paid, Amount | $ 56 | |||||||||||||
| Expense Ratio, Percent | 1.12% | [6] | ||||||||||||
| AssetsNet | $ 88,758,234 | |||||||||||||
| Holdings Count | Holding | 117 | |||||||||||||
| Advisory Fees Paid, Amount | $ 261,037 | |||||||||||||
| InvestmentCompanyPortfolioTurnover | 4.00% | |||||||||||||
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