Nasdaq-100 Index Fund 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 |
|
| Nasdaq-100 Index Fund | None | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 20.42% | 25.27% | 54.49% | (32.81%) | 26.93% | 47.94% | 38.66% | (0.63%) | 32.29% | 6.77% |