v3.25.4
Average Annual Total Returns
12 Months Ended 60 Months Ended 70 Months Ended 120 Months Ended 124 Months Ended 279 Months Ended 354 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Percent 17.15% 13.15% 21.42% [1] 14.29%      
Russell Midcap® Value Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Percent 11.05% 9.83% 17.91% [1] 9.78%      
Lipper Mid-Cap Value Funds Index              
Prospectus [Line Items]              
Average Annual Return, Percent 8.99% 10.56% 18.88% [1] 9.23%      
T. Rowe Price Mid-Cap Value Fund, Inc. - Investor Class              
Prospectus [Line Items]              
Average Annual Return, Percent 6.12% 11.81%   11.04%      
Performance Inception Date             Jun. 28, 1996
T. Rowe Price Mid-Cap Value Fund, Inc. - Investor Class | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Percent 4.70% 9.24%   8.92%      
T. Rowe Price Mid-Cap Value Fund, Inc. - Investor Class | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Percent 4.42% 8.91%   8.52%      
T. Rowe Price Mid-Cap Value Fund, Inc. - I Class              
Prospectus [Line Items]              
Average Annual Return, Percent 6.27% 11.97%   11.20%      
Performance Inception Date         Aug. 28, 2015    
T. Rowe Price Mid-Cap Value Fund, Inc. - Advisor Class              
Prospectus [Line Items]              
Average Annual Return, Percent 5.88% 11.53%   10.75%      
Performance Inception Date           Sep. 30, 2002  
T. Rowe Price Mid-Cap Value Fund, Inc. - R Class              
Prospectus [Line Items]              
Average Annual Return, Percent 5.59% 11.25%   10.48%      
Performance Inception Date           Sep. 30, 2002  
T. Rowe Price Mid-Cap Value Fund, Inc. - Z Class              
Prospectus [Line Items]              
Average Annual Return, Percent 6.98% 12.71% 20.76%      
Performance Inception Date     Mar. 16, 2020        
[1] Return since 3/16/20.