Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| Beck, Mack & Oliver Partners Fund | Beck, Mack & Oliver Partners Fund Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 21.46% | 32.28% | (21.11%) | 53.67% | 5.06% | 32.35% | (15.08%) | 17.86% | 10.52% | (15.23%) |