v3.25.4
Expense Example
Feb. 25, 2026
USD ($)
T. Rowe Price Mid-Cap Value Fund, Inc. - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 89
Expense Example, with Redemption, 3 Years 278
Expense Example, with Redemption, 5 Years 482
Expense Example, with Redemption, 10 Years 1,073
T. Rowe Price Mid-Cap Value Fund, Inc. - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 74
Expense Example, with Redemption, 3 Years 230
Expense Example, with Redemption, 5 Years 401
Expense Example, with Redemption, 10 Years 894
T. Rowe Price Mid-Cap Value Fund, Inc. - Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 113
Expense Example, with Redemption, 3 Years 353
Expense Example, with Redemption, 5 Years 612
Expense Example, with Redemption, 10 Years 1,352
T. Rowe Price Mid-Cap Value Fund, Inc. - R Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 140
Expense Example, with Redemption, 3 Years 437
Expense Example, with Redemption, 5 Years 755
Expense Example, with Redemption, 10 Years 1,657
T. Rowe Price Mid-Cap Value Fund, Inc. - Z Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 6
Expense Example, with Redemption, 3 Years 19
Expense Example, with Redemption, 5 Years 34
Expense Example, with Redemption, 10 Years $ 77