Shareholder Report, Line Graph (Details) 190022_Aegis Value Fund_Class I_TSR Annual {Class I} - USD ($) |
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 |
Dec. 31, 2025 |
|
| Class I | |||||||||||
| Account Value [Line Items] | |||||||||||
| Accumulated Value | $ 46,736 | $ 42,709 | $ 37,751 | $ 34,164 | $ 24,816 | $ 20,902 | $ 16,634 | $ 20,037 | $ 17,071 | $ 10,000 | $ 78,083 |
| S&P 500 TR [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P 500 TR | ||||||||||
| Accumulated Value | 33,786 | 27,025 | 21,399 | 26,132 | 20,304 | 17,149 | 13,042 | 13,640 | 11,196 | 10,000 | $ 39,827 |
| S&P SmallCap 600 Pure Value TR [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P SmallCap 600 Pure Value TR | ||||||||||
| Accumulated Value | $ 23,086 | $ 21,872 | $ 17,735 | $ 18,952 | $ 12,931 | $ 13,491 | $ 10,962 | $ 13,580 | $ 13,407 | $ 10,000 | $ 25,125 |