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 |
|
| T. Rowe Price Diversified Mid-Cap Growth Fund, Inc. - Investor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.37% | 23.73% | 20.78% | (24.63%) | 13.74% | 31.80% | 37.90% | (3.11%) | 24.72% | 7.50% |