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 |
|
| THIRD AVENUE VALUE FUND Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 35.46% | (2.21%) | 20.17% | 17.46% | 22.37% | 7.75% | 12.85% | (20.83%) | 14.15% | 13.39% |
| THIRD AVENUE SMALL-CAP VALUE FUND Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 14.04% | 3.56% | 21.88% | (1.82%) | 25.84% | (2.96%) | 22.81% | (12.37%) | 8.86% | 26.27% |
| THIRD AVENUE REAL ESTATE VALUE FUND Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 11.62% | 14.37% | 23.27% | (26.54%) | 30.54% | (8.23%) | 21.13% | (19.91%) | 22.17% | 5.81% |
| Third Avenue International Real Estate Value Fund Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 25.56% | (5.67%) | 13.86% | (18.22%) | 18.76% | 4.89% | 21.28% | (5.85%) | 27.11% | (0.88%) |