Average Annual Total Returns			12 Months Ended	60 Months Ended	120 Months Ended
		Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024
Class ADV
Prospectus [Line Items]
Average Annual Return, Percent			23.32%	14.76%	12.05%
Performance Inception Date		Dec. 20, 2006
Class ADV | Russell 3000® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		23.81%	13.86%	12.55%
Class ADV | S&P 500® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		25.02%	14.53%	13.10%
Class I
Prospectus [Line Items]
Average Annual Return, Percent			23.85%	15.28%	12.56%
Performance Inception Date		Dec. 31, 1979
Class I | Russell 3000® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		23.81%	13.86%	12.55%
Class I | S&P 500® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		25.02%	14.53%	13.10%
Class S
Prospectus [Line Items]
Average Annual Return, Percent			23.56%	14.98%	12.27%
Performance Inception Date		Jun. 11, 2003
Class S | Russell 3000® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		23.81%	13.86%	12.55%
Class S | S&P 500® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		25.02%	14.53%	13.10%
Class S2
Prospectus [Line Items]
Average Annual Return, Percent			23.36%	14.82%	12.11%
Performance Inception Date		Feb. 27, 2009
Class S2 | Russell 3000® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		23.81%	13.86%	12.55%
Class S2 | S&P 500® Index[Member]
Prospectus [Line Items]
Average Annual Return, Percent	[1],[2]		25.02%	14.53%	13.10%

[1] Effective commencing with shareholder reports filed and transmitted to shareholders after July 24, 2024, the Investment Adviser changed the primary benchmark from the S&P 500® Index to the Russell 3000® Index in accordance with changes to regulatory disclosure requirements. The Portfolio continues to use the S&P 500 ®  Index as an additional benchmark that the Investment Adviser believes more closely reflects the Portfolio’s principal investment strategies.

[2] The index returns do not reflect deductions for fees, expenses, or taxes.