v3.25.3
Shareholder Report, Holdings (Details)
Sep. 30, 2025
International Portfolio I - Class A | ING Group N.V. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.88%
International Portfolio I - Class A | Grab Holdings Limited [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
International Portfolio I - Class A | Barclays PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
International Portfolio I - Class A | UCB SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
International Portfolio I - Class A | Roche Holding AG [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
International Portfolio I - Class A | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
International Portfolio I - Class A | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
International Portfolio I - Class A | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
International Portfolio I - Class A | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
International Portfolio I - Class A | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Large Cap Core Portfolio I - Class A | Meta Platforms, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Large Cap Core Portfolio I - Class A | Alphabet, Inc. Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Large Cap Core Portfolio I - Class A | NVIDIA, Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.58%
Large Cap Core Portfolio I - Class A | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Large Cap Core Portfolio I - Class A | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Large Cap Core Portfolio I - Class A | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Large Cap Core Portfolio I - Class A | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Large Cap Core Portfolio I - Class A | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
Large Cap Core Portfolio I - Class A | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Large Cap Core Portfolio I - Class A | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Large Cap Core Portfolio I - Class L | NVIDIA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.58%
Large Cap Core Portfolio I - Class L | Meta Platforms, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Large Cap Core Portfolio I - Class L | Alphabet, Inc. Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Large Cap Core Portfolio I - Class L | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Large Cap Core Portfolio I - Class L | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Large Cap Core Portfolio I - Class L | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Large Cap Core Portfolio I - Class L | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Large Cap Core Portfolio I - Class L | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
Large Cap Core Portfolio I - Class L | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Large Cap Core Portfolio I - Class L | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Large Cap Growth Portfolio I - Class A | NVIDIA, Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.74%
Large Cap Growth Portfolio I - Class A | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Large Cap Growth Portfolio I - Class A | Amazon.com, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Large Cap Growth Portfolio I - Class A | Alphabet, Inc. Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Large Cap Growth Portfolio I - Class A | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Large Cap Growth Portfolio I - Class A | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.70%
Large Cap Growth Portfolio I - Class A | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Large Cap Growth Portfolio I - Class A | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
Large Cap Growth Portfolio I - Class A | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Large Cap Growth Portfolio I - Class A | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Large Cap Growth Portfolio I - Class L | NVIDIA, Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.74%
Large Cap Growth Portfolio I - Class L | Microsoft Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Large Cap Growth Portfolio I - Class L | Amazon.com, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Large Cap Growth Portfolio I - Class L | Alphabet, Inc. Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Large Cap Growth Portfolio I - Class L | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Large Cap Growth Portfolio I - Class L | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Large Cap Growth Portfolio I - Class L | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Large Cap Growth Portfolio I - Class L | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
Large Cap Growth Portfolio I - Class L | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Large Cap Growth Portfolio I - Class L | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Large Cap Value Portfolio I - Class A | Corning, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.55%
Large Cap Value Portfolio I - Class A | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Large Cap Value Portfolio I - Class A | Norfolk Southern Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Large Cap Value Portfolio I - Class A | BlackRock, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Large Cap Value Portfolio I - Class A | Phillip Morris International, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Large Cap Value Portfolio I - Class A | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Large Cap Value Portfolio I - Class A | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Large Cap Value Portfolio I - Class A | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Large Cap Value Portfolio I - Class A | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Large Cap Value Portfolio I - Class A | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Large Cap Value Portfolio I - Class L | Corning, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.55%
Large Cap Value Portfolio I - Class L | Apple, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Large Cap Value Portfolio I - Class L | Norfolk Southern Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Large Cap Value Portfolio I - Class L | BlackRock, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Large Cap Value Portfolio I - Class L | Phillip Morris International, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Large Cap Value Portfolio I - Class L | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Large Cap Value Portfolio I - Class L | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Large Cap Value Portfolio I - Class L | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Large Cap Value Portfolio I - Class L | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Large Cap Value Portfolio I - Class L | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Mid Cap Core Portfolio I - Class A | Armstrong World Industries, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Mid Cap Core Portfolio I - Class A | AerCap Holdings N.V. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Mid Cap Core Portfolio I - Class A | Tempur Sealy International, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Mid Cap Core Portfolio I - Class A | Dollar Tree, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Mid Cap Core Portfolio I - Class A | Churchill Downs, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Mid Cap Core Portfolio I - Class A | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Mid Cap Core Portfolio I - Class A | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.60%
Mid Cap Core Portfolio I - Class A | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.40%
Mid Cap Core Portfolio I - Class A | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Mid Cap Core Portfolio I - Class A | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
Mid Cap Core Portfolio I - Class L | Armstrong World Industries, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Mid Cap Core Portfolio I - Class L | AerCap Holdings N.V. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Mid Cap Core Portfolio I - Class L | Tempur Sealy International, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Mid Cap Core Portfolio I - Class L | Dollar Tree, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Mid Cap Core Portfolio I - Class L | Churchill Downs, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Mid Cap Core Portfolio I - Class L | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Mid Cap Core Portfolio I - Class L | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.60%
Mid Cap Core Portfolio I - Class L | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.40%
Mid Cap Core Portfolio I - Class L | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Mid Cap Core Portfolio I - Class L | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
Small Cap Core Portfolio I - Class A | Rambus, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.69%
Small Cap Core Portfolio I - Class A | Tower Semiconductor Ltd. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Small Cap Core Portfolio I - Class A | Atmus Filtration Technologies, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Small Cap Core Portfolio I - Class A | BorgWarner, Inc. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Small Cap Core Portfolio I - Class A | Gentex Corp. [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Small Cap Core Portfolio I - Class A | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Small Cap Core Portfolio I - Class A | Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Small Cap Core Portfolio I - Class A | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
Small Cap Core Portfolio I - Class A | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Small Cap Core Portfolio I - Class A | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%