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 |
|
| RMB Fund | RMB Fund, Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 12.49% | 11.95% | 21.19% | (21.20%) | 29.99% | 15.93% | 37.16% | (2.84%) | 22.49% | 1.32% |
| RMB Mendon Financial Services Fund | RMB Mendon Financial Services Fund, Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 12.85% | 17.06% | 4.52% | (19.00%) | 56.44% | (5.73%) | 22.80% | (17.02%) | 11.99% | 29.74% |
| RMB International Fund | RMB International Fund, Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 32.74% | 0.02% | 12.94% | (16.94%) | 9.53% | 7.01% | 19.20% | (21.81%) | ||
| RMB SMID Cap Fund | RMB SMID Cap Fund Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.55% | 10.03% | 20.06% | (20.87%) | 28.10% | 24.39% | 31.63% | (4.89%) | 13.66% | 12.28% |