Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| The Cook & Bynum Fund | The Cook & Bynum Fund Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 20.49% | (9.03%) | 16.73% | 9.29% | 9.04% | (10.98%) | 9.40% | (13.41%) | 15.13% | 3.19% |