Average Annual Total Returns - Wireless Fund |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500 Index (does not reflect deductions for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% |
| NASDAQ Composite Index (does not reflect deductions for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 21.14% | 13.35% | 17.66% |
| Wireless Fund Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 26.57% | 17.23% | 18.93% |
| Wireless Fund Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 25.53% | 15.32% | 16.98% |
| Wireless Fund Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.41% | 13.04% | 15.25% |