Shareholder Report, Line Graph (Details) 196044_Frontier MFG Core Infrastructure Fund_Service Class_TSR Annual {Service Class} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jul. 15, 2016 |
Jun. 30, 2026 |
|
| Service Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Service Class | ||||||||||
| Accumulated Value | $ 17,810 | $ 14,127 | $ 14,269 | $ 14,366 | $ 13,926 | $ 12,044 | $ 12,351 | $ 10,778 | $ 10,714 | $ 10,000 | $ 20,384 |
| MSCI World Index (Net) [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | MSCI World Index (Net) | ||||||||||
| Accumulated Value | 27,519 | 23,670 | 19,694 | 16,618 | 19,399 | 13,952 | 13,566 | 12,758 | 11,485 | 10,000 | $ 33,391 |
| S&P Global Infrastructure Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P Global Infrastructure Index | ||||||||||
| Accumulated Value | $ 20,060 | $ 15,702 | $ 14,672 | $ 14,086 | $ 13,339 | $ 10,831 | $ 12,706 | $ 11,328 | $ 11,126 | $ 10,000 | $ 23,428 |