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 |
|
| MainGate MLP Fund | MainGate MLP Fund Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.74% | 34.78% | 20.26% | 33.57% | 44.14% | (27.88%) | 7.21% | (22.12%) | (7.95%) | 25.03% |