| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Wall Street EWM Funds Trust |
| Entity Central Index Key | 0001517695 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Jun. 30, 2024 USD ($) $ / shares | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Wall Street EWM Funds Trust |
| Entity Central Index Key | 0001517695 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Evercore Equity Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Evercore Equity Fund |
| Class Name | Evercore Equity Fund |
| Trading Symbol | EWMCX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Evercore Equity Fund for the period of January 1, 2024, to June 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.evercoreequityfund.com . You can also request this information by contacting us at 1-800-443-4693 . |
| Additional Information Phone Number | 1-800-443-4693 |
| Additional Information Website | http://www.evercoreequityfund.com |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment (annualized) Evercore Equity Fund $46 0.89% |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.89% |
| Updated Performance Information Location [Text Block] | Visit http://www.evercoreequityfund.com for more recent performance information. |
| Net Assets | $ 457,397,123 |
| Holdings Count | $ / shares | 38 |
| Investment Company Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of June 30, 2024) Net Assets $457,397,123 Number of Holdings 38 Portfolio Turnover 2% |
| Holdings [Text Block] | Top Sectors (%) of net assets Information Technology 25.5% Consumer Discretionary 21.2% Financials 16.1% Health Care 9.9% Energy 6.3% Communication Services 5.6% Real Estate 4.3% Industrials 4.1% Materials 2.1% Consumer Staples 1.9% Cash & Other 3.0% Top 10 Issuers (%) of net assets NVIDIA Corp. 5.7% Microsoft Corp. 5.7% Alphabet, Inc. 5.6% Apple, Inc. 4.8% Amazon.com, Inc. 3.7% UnitedHealth Group, Inc. 3.4% Mastercard, Inc. 3.4% JPMorgan Chase & Co. 3.3% AutoZone, Inc. 3.3% Thermo Fisher Scientific, Inc. 3.2% |
| Updated Prospectus Web Address | http://www.evercoreequityfund.com |
| Shareholder Report, Holdings (Details) - Evercore Equity Fund | Jun. 30, 2024 |
| NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Alphabet, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Apple, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| UnitedHealth Group, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Mastercard, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| JPMorgan Chase & Co. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| AutoZone, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| Thermo Fisher Scientific, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.20% |
| Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Information Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25.50% |
| Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.10% |
| Health Care Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Communication Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Industrials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Cash & Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
