Average Annual Total Returns		12 Months Ended	60 Months Ended	111 Months Ended	120 Months Ended
Average Annual Total Returns	Sep. 30, 2026	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025
S&P 500® Index (reflects no deduction for fees, expenses or taxes)
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	S&P 500® Index(reflects no deduction for fees, expenses or taxes)
Average Annual Return, Percent		17.88%	14.42%	15.17%	14.82%
Y Shares Class
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return Before Taxes
Average Annual Return, Percent		5.08%	8.18%	12.28%
Performance Inception Date	Sep. 30, 2016
J Shares Class
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return Before Taxes
Average Annual Return, Percent		4.76%	7.87%		12.14%
J Shares Class \| After Taxes on Distributions
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return After Taxes on Distributions
Average Annual Return, Percent		(2.23%)	5.00%		9.75%
J Shares Class \| After Taxes on Distributions and Sales
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return After Taxes on Distributions and Sale of Fund Shares
Average Annual Return, Percent		7.74%	6.07%		9.72%
I Shares Class
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return Before Taxes
Average Annual Return, Percent		5.00%	8.10%		12.40%
R Shares Class
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return Before Taxes
Average Annual Return, Percent		4.06%	7.32%		11.64%