Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MATTHEW 25 FUND | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 18.45% | 11.97% | 13.67% |
| S P 500 Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.81% |