S000001302 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| MSCI EAFE Index (in U.S.$) (reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.82% | 4.73% | 5.20% |
| MSCI EAFE Index (Hedged to U.S.$) (reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 14.14% | 9.84% | 8.98% |
| TWEEDY BROWNE INTERNATIONAL VALUE FUND | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.52% | 4.06% | 4.60% |
| TWEEDY BROWNE INTERNATIONAL VALUE FUND | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 0.54% | 2.85% | 3.61% |
| TWEEDY BROWNE INTERNATIONAL VALUE FUND | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 3.29% | 3.27% | 3.66% |