NICHOLAS FUND INC [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 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| NICHOLAS FUND INC | NICHOLAS FUND INC | NICHOLAS FUND INC | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Annual Return [Percent] | [1] | 16.71% | 34.23% | (18.13%) | 26.55% | 18.89% | 33.49% | (1.52%) | 17.54% | 0.92% | (2.95%) | |
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