Average Annual Total Returns - Clipper Fund |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Clipper Fund | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 27.43% | 13.88% | 12.45% |
| Clipper Fund | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 24.83% | 11.46% | 10.49% |
| Clipper Fund | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.77% | 10.55% | 9.72% |
| S&P 500 Index reflects no deduction for fees, expenses or taxes | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.81% |