S000057731 [Member] Annual Total Returns |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Morningstar Municipal Bond Fund | Institutional | ||||||
| Prospectus [Line Items] | ||||||
| Annual Return [Percent] | 2.57% | 5.61% | (7.20%) | 1.48% | 4.03% | 6.24% |