Shareholder Report, Average Annual Return (Details) |
6 Months Ended | 12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
|
| C000012470 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Polaris Global Value Fund | |||
| Without Sales Load [Member] | C000012470 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | 34.80% | 10.45% | 11.47% | |
| MSCI World Index | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | MSCI World Index | |||
| Average Annual Return, Percent | 21.34% | 11.47% | 13.14% |