S000005594 [Member] 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 |
|
| iMGP International Fund | Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 30.21% | (0.57%) | 17.40% | (21.58%) | 11.75% | 5.02% | 30.45% | (20.80%) | 23.61% | (4.61%) |