S000038877 [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 |
|
| Northern Trust International Quality Dividend Dynamic ETF | FlexShares International Quality Dividend Dynamic Index Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 37.11% | 5.81% | 23.23% | (15.44%) | 11.80% | 9.36% | 26.73% | (19.03%) | 23.61% | 10.74% |