v3.26.1
S000000855 [Member] Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Russell 1000® Value Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 15.91% 11.33% 10.53%
S&P 500® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.88% 14.42% 14.82%
Investor Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 19.04% 11.37% 13.86%
Investor Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 15.93% 9.32% 12.21%
Investor Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 13.46% 8.77% 11.21%
Institutional Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 19.32% 11.62% 14.11%