JPMorgan SMID Cap Equity Fund Average Annual Total Returns - A C I Shares [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| RUSSELL 3000 INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% |
| RUSSELL 2500 INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 11.91% | 7.26% | 10.40% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (8.05%) | 2.66% | 6.14% |
| Class C | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (4.42%) | 3.27% | 6.27% |
| Class I | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (2.68%) | 4.04% | 6.98% |
| Class I | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (4.22%) | 1.89% | 4.73% |
| Class I | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (0.54%) | 2.71% | 5.08% |