Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
|
| MATTHEW 25 FUND | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 21.79% | 10.43% | 14.34% |
| S&P 500 Index | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 22.32% | 13.40% | 15.50% |