Average Annual Total Returns - Beck, Mack & Oliver Partners Fund |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| S&P 500® Index (reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 25.02% | 14.53% | 13.10% |
| Beck, Mack & Oliver Partners Fund Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 21.46% | 15.40% | 9.77% |
| Beck, Mack & Oliver Partners Fund Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 21.46% | 15.36% | 9.22% |
| Beck, Mack & Oliver Partners Fund Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 12.70% | 12.43% | 7.75% |