Shareholder Report, Holdings (Details)
|
Jun. 30, 2026 |
| Core Bond Series (Class I) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class I) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class I) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class I) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class I) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.70%
|
|
| Core Bond Series (Class I) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class I) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class I) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Core Bond Series (Class I) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Core Bond Series (Class I) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class I) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Core Bond Series (Class I) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.00%
|
|
| Core Bond Series (Class I) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Core Bond Series (Class I) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class I) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.00%
|
|
| Core Bond Series (Class I) | U.S. Treasury Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
19.00%
|
|
| Core Bond Series (Class I) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.40%
|
|
| Core Bond Series (Class I) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.80%
|
|
| Core Bond Series (Class I) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.00%
|
|
| Core Bond Series (Class I) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Core Bond Series (Class S) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class S) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class S) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class S) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class S) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.70%
|
|
| Core Bond Series (Class S) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class S) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class S) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Core Bond Series (Class S) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Core Bond Series (Class S) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class S) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Core Bond Series (Class S) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.00%
|
|
| Core Bond Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Core Bond Series (Class S) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class S) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.00%
|
|
| Core Bond Series (Class S) | U.S. Treasury Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
19.00%
|
|
| Core Bond Series (Class S) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.40%
|
|
| Core Bond Series (Class S) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.80%
|
|
| Core Bond Series (Class S) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.00%
|
|
| Core Bond Series (Class S) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Core Bond Series (Class W) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class W) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class W) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class W) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class W) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.70%
|
|
| Core Bond Series (Class W) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class W) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class W) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Core Bond Series (Class W) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Core Bond Series (Class W) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class W) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Core Bond Series (Class W) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.00%
|
|
| Core Bond Series (Class W) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Core Bond Series (Class W) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class W) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.00%
|
|
| Core Bond Series (Class W) | U.S. Treasury Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
19.00%
|
|
| Core Bond Series (Class W) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.40%
|
|
| Core Bond Series (Class W) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.80%
|
|
| Core Bond Series (Class W) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.00%
|
|
| Core Bond Series (Class W) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Core Bond Series (Class Z) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class Z) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.40%
|
|
| Core Bond Series (Class Z) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class Z) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class Z) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.70%
|
|
| Core Bond Series (Class Z) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Core Bond Series (Class Z) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class Z) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Core Bond Series (Class Z) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Core Bond Series (Class Z) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Core Bond Series (Class Z) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Core Bond Series (Class Z) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.00%
|
|
| Core Bond Series (Class Z) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Core Bond Series (Class Z) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Core Bond Series (Class Z) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.00%
|
|
| Core Bond Series (Class Z) | U.S. Treasury Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
19.00%
|
|
| Core Bond Series (Class Z) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.40%
|
|
| Core Bond Series (Class Z) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.80%
|
|
| Core Bond Series (Class Z) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.00%
|
|
| Core Bond Series (Class Z) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Unconstrained Bond Series (Class I) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Unconstrained Bond Series (Class I) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Unconstrained Bond Series (Class I) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| Unconstrained Bond Series (Class I) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.00%
|
|
| Unconstrained Bond Series (Class I) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| Unconstrained Bond Series (Class I) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| Unconstrained Bond Series (Class I) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| Unconstrained Bond Series (Class I) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Unconstrained Bond Series (Class I) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
26.00%
|
|
| Unconstrained Bond Series (Class I) | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| Unconstrained Bond Series (Class I) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Unconstrained Bond Series (Class I) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
20.80%
|
|
| Unconstrained Bond Series (Class I) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.90%
|
|
| Unconstrained Bond Series (Class I) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
21.80%
|
|
| Unconstrained Bond Series (Class I) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Unconstrained Bond Series (Class I) | Cash, short-term investment, and liabilities, less other assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.00%
|
|
| Unconstrained Bond Series (Class I) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Unconstrained Bond Series (Class S) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Unconstrained Bond Series (Class S) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Unconstrained Bond Series (Class S) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| Unconstrained Bond Series (Class S) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.00%
|
|
| Unconstrained Bond Series (Class S) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| Unconstrained Bond Series (Class S) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| Unconstrained Bond Series (Class S) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| Unconstrained Bond Series (Class S) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Unconstrained Bond Series (Class S) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
26.00%
|
|
| Unconstrained Bond Series (Class S) | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| Unconstrained Bond Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.00%
|
|
| Unconstrained Bond Series (Class S) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Unconstrained Bond Series (Class S) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
20.80%
|
|
| Unconstrained Bond Series (Class S) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.90%
|
|
| Unconstrained Bond Series (Class S) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
21.80%
|
|
| Unconstrained Bond Series (Class S) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Unconstrained Bond Series (Class S) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Unconstrained Bond Series (Class W) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.50%
|
|
| Unconstrained Bond Series (Class W) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Unconstrained Bond Series (Class W) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| Unconstrained Bond Series (Class W) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.00%
|
|
| Unconstrained Bond Series (Class W) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| Unconstrained Bond Series (Class W) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| Unconstrained Bond Series (Class W) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| Unconstrained Bond Series (Class W) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Unconstrained Bond Series (Class W) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
26.00%
|
|
| Unconstrained Bond Series (Class W) | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| Unconstrained Bond Series (Class W) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.00%
|
|
| Unconstrained Bond Series (Class W) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.10%
|
|
| Unconstrained Bond Series (Class W) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
20.80%
|
|
| Unconstrained Bond Series (Class W) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.90%
|
|
| Unconstrained Bond Series (Class W) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
21.80%
|
|
| Unconstrained Bond Series (Class W) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.60%
|
|
| Unconstrained Bond Series (Class W) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| High Yield Bond Series (Class I) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.50%
|
|
| High Yield Bond Series (Class I) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
8.60%
|
|
| High Yield Bond Series (Class I) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| High Yield Bond Series (Class I) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.90%
|
|
| High Yield Bond Series (Class I) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
27.00%
|
|
| High Yield Bond Series (Class I) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.60%
|
|
| High Yield Bond Series (Class I) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.30%
|
|
| High Yield Bond Series (Class I) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| High Yield Bond Series (Class I) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.90%
|
|
| High Yield Bond Series (Class I) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| High Yield Bond Series (Class I) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| High Yield Bond Series (Class I) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| High Yield Bond Series (Class I) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.70%
|
|
| High Yield Bond Series (Class I) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.00%
|
[1] |
| High Yield Bond Series (Class I) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| High Yield Bond Series (Class S) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.50%
|
|
| High Yield Bond Series (Class S) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
8.60%
|
|
| High Yield Bond Series (Class S) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| High Yield Bond Series (Class S) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.90%
|
|
| High Yield Bond Series (Class S) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
27.00%
|
|
| High Yield Bond Series (Class S) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.60%
|
|
| High Yield Bond Series (Class S) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.30%
|
|
| High Yield Bond Series (Class S) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| High Yield Bond Series (Class S) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.90%
|
|
| High Yield Bond Series (Class S) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| High Yield Bond Series (Class S) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| High Yield Bond Series (Class S) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| High Yield Bond Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.70%
|
|
| High Yield Bond Series (Class S) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.00%
|
[2] |
| High Yield Bond Series (Class S) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| High Yield Bond Series (Class W) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.50%
|
|
| High Yield Bond Series (Class W) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
8.60%
|
|
| High Yield Bond Series (Class W) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| High Yield Bond Series (Class W) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.90%
|
|
| High Yield Bond Series (Class W) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
27.00%
|
|
| High Yield Bond Series (Class W) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.60%
|
|
| High Yield Bond Series (Class W) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.30%
|
|
| High Yield Bond Series (Class W) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| High Yield Bond Series (Class W) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.90%
|
|
| High Yield Bond Series (Class W) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| High Yield Bond Series (Class W) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| High Yield Bond Series (Class W) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| High Yield Bond Series (Class W) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.70%
|
|
| High Yield Bond Series (Class W) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.00%
|
[3] |
| High Yield Bond Series (Class W) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| High Yield Bond Series (Class Z) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.50%
|
|
| High Yield Bond Series (Class Z) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
8.60%
|
|
| High Yield Bond Series (Class Z) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.50%
|
|
| High Yield Bond Series (Class Z) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.90%
|
|
| High Yield Bond Series (Class Z) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
27.00%
|
|
| High Yield Bond Series (Class Z) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.60%
|
|
| High Yield Bond Series (Class Z) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
9.30%
|
|
| High Yield Bond Series (Class Z) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| High Yield Bond Series (Class Z) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.90%
|
|
| High Yield Bond Series (Class Z) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| High Yield Bond Series (Class Z) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.40%
|
|
| High Yield Bond Series (Class Z) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.10%
|
|
| High Yield Bond Series (Class Z) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.70%
|
|
| High Yield Bond Series (Class Z) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.00%
|
[4] |
| High Yield Bond Series (Class Z) | Loan Assignments [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Diversified Tax Exempt Series (Class A) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Diversified Tax Exempt Series (Class A) | Revenue Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
41.20%
|
|
| Diversified Tax Exempt Series (Class A) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Diversified Tax Exempt Series (Class A) | General Obligation Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
48.80%
|
|
| Diversified Tax Exempt Series (Class A) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.70%
|
|
| Diversified Tax Exempt Series (Class A) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.60%
|
|
| Diversified Tax Exempt Series (Class A) | NEW YORK |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.80%
|
|
| Diversified Tax Exempt Series (Class A) | WISCONSIN |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.20%
|
|
| Diversified Tax Exempt Series (Class A) | WASHINGTON |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.80%
|
|
| Diversified Tax Exempt Series (Class A) | ALABAMA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.40%
|
|
| Diversified Tax Exempt Series (Class A) | TEXAS |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.20%
|
|
| Diversified Tax Exempt Series (Class A) | ILLINOIS |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.30%
|
|
| Diversified Tax Exempt Series (Class A) | DISTRICT OF COLUMBIA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.50%
|
|
| Diversified Tax Exempt Series (Class A) | FLORIDA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.90%
|
|
| Diversified Tax Exempt Series (Class A) | TENNESSEE |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.80%
|
|
| Diversified Tax Exempt Series (Class A) | PENNSYLVANIA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.20%
|
|
| Diversified Tax Exempt Series (Class W) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Diversified Tax Exempt Series (Class W) | Revenue Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
41.20%
|
|
| Diversified Tax Exempt Series (Class W) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Diversified Tax Exempt Series (Class W) | General Obligation Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
48.80%
|
|
| Diversified Tax Exempt Series (Class W) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.70%
|
|
| Diversified Tax Exempt Series (Class W) | U.S. Treasury Notes [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.60%
|
|
| Diversified Tax Exempt Series (Class W) | NEW YORK |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
10.80%
|
|
| Diversified Tax Exempt Series (Class W) | WISCONSIN |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.20%
|
|
| Diversified Tax Exempt Series (Class W) | WASHINGTON |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.80%
|
|
| Diversified Tax Exempt Series (Class W) | ALABAMA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.40%
|
|
| Diversified Tax Exempt Series (Class W) | TEXAS |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.20%
|
|
| Diversified Tax Exempt Series (Class W) | ILLINOIS |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.30%
|
|
| Diversified Tax Exempt Series (Class W) | DISTRICT OF COLUMBIA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.50%
|
|
| Diversified Tax Exempt Series (Class W) | FLORIDA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.90%
|
|
| Diversified Tax Exempt Series (Class W) | TENNESSEE |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.80%
|
|
| Diversified Tax Exempt Series (Class W) | PENNSYLVANIA |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.20%
|
|
| Callodine Equity Income Series (Class I) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Callodine Equity Income Series (Class I) | Common Stocks [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
98.80%
|
|
| Callodine Equity Income Series (Class I) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.90%
|
|
| Callodine Equity Income Series (Class I) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Callodine Equity Income Series (Class I) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.50%
|
|
| Callodine Equity Income Series (Class I) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
13.50%
|
|
| Callodine Equity Income Series (Class I) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
18.10%
|
|
| Callodine Equity Income Series (Class I) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
13.20%
|
|
| Callodine Equity Income Series (Class I) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Callodine Equity Income Series (Class I) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.90%
|
|
| Callodine Equity Income Series (Class I) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.50%
|
|
| Callodine Equity Income Series (Class I) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Callodine Equity Income Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Callodine Equity Income Series (Class S) | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
98.80%
|
|
| Callodine Equity Income Series (Class S) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.90%
|
|
| Callodine Equity Income Series (Class S) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Callodine Equity Income Series (Class S) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.50%
|
|
| Callodine Equity Income Series (Class S) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
13.50%
|
|
| Callodine Equity Income Series (Class S) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
18.10%
|
|
| Callodine Equity Income Series (Class S) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
13.20%
|
|
| Callodine Equity Income Series (Class S) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Callodine Equity Income Series (Class S) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.90%
|
|
| Callodine Equity Income Series (Class S) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.50%
|
|
| Callodine Equity Income Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Callodine Equity Income Series (Class Z) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Callodine Equity Income Series (Class Z) | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
98.80%
|
|
| Callodine Equity Income Series (Class Z) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.90%
|
|
| Callodine Equity Income Series (Class Z) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Callodine Equity Income Series (Class Z) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.50%
|
|
| Callodine Equity Income Series (Class Z) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
13.50%
|
|
| Callodine Equity Income Series (Class Z) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
18.10%
|
|
| Callodine Equity Income Series (Class Z) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
13.20%
|
|
| Callodine Equity Income Series (Class Z) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Callodine Equity Income Series (Class Z) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.90%
|
|
| Callodine Equity Income Series (Class Z) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
17.50%
|
|
| Callodine Equity Income Series (Class Z) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.20%
|
|
| Credit Series (Class I) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.30%
|
|
| Credit Series (Class I) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.30%
|
|
| Credit Series (Class I) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Credit Series (Class I) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.20%
|
|
| Credit Series (Class I) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.10%
|
|
| Credit Series (Class I) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Credit Series (Class I) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Credit Series (Class I) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Credit Series (Class I) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.90%
|
|
| Credit Series (Class I) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.70%
|
|
| Credit Series (Class I) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Credit Series (Class I) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.60%
|
|
| Credit Series (Class I) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Credit Series (Class I) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.60%
|
|
| Credit Series (Class I) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.00%
|
|
| Credit Series (Class I) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.00%
|
|
| Credit Series (Class I) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
21.90%
|
|
| Credit Series (Class I) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Credit Series (Class S) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.30%
|
|
| Credit Series (Class S) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.30%
|
|
| Credit Series (Class S) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Credit Series (Class S) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.20%
|
|
| Credit Series (Class S) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.10%
|
|
| Credit Series (Class S) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Credit Series (Class S) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Credit Series (Class S) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Credit Series (Class S) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.90%
|
|
| Credit Series (Class S) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.70%
|
|
| Credit Series (Class S) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Credit Series (Class S) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.60%
|
|
| Credit Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Credit Series (Class S) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.60%
|
|
| Credit Series (Class S) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.00%
|
|
| Credit Series (Class S) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.00%
|
|
| Credit Series (Class S) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
21.90%
|
|
| Credit Series (Class S) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Credit Series (Class W) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.30%
|
|
| Credit Series (Class W) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.30%
|
|
| Credit Series (Class W) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Credit Series (Class W) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.20%
|
|
| Credit Series (Class W) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
15.10%
|
|
| Credit Series (Class W) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
0.70%
|
|
| Credit Series (Class W) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.50%
|
|
| Credit Series (Class W) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.10%
|
|
| Credit Series (Class W) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.90%
|
|
| Credit Series (Class W) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.70%
|
|
| Credit Series (Class W) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Credit Series (Class W) | Asset-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.60%
|
|
| Credit Series (Class W) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.20%
|
|
| Credit Series (Class W) | Municipal Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.60%
|
|
| Credit Series (Class W) | Exchange Traded Funds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.00%
|
|
| Credit Series (Class W) | U.S. Government Agencies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.00%
|
|
| Credit Series (Class W) | Commercial Mortgage-Backed Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
21.90%
|
|
| Credit Series (Class W) | Foreign Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.00%
|
|
| Systematic High Yield Bond Series (Class I) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.40%
|
|
| Systematic High Yield Bond Series (Class I) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.30%
|
|
| Systematic High Yield Bond Series (Class I) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| Systematic High Yield Bond Series (Class I) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Systematic High Yield Bond Series (Class I) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.80%
|
|
| Systematic High Yield Bond Series (Class I) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Systematic High Yield Bond Series (Class I) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
14.70%
|
|
| Systematic High Yield Bond Series (Class I) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.20%
|
|
| Systematic High Yield Bond Series (Class I) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.90%
|
|
| Systematic High Yield Bond Series (Class I) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| Systematic High Yield Bond Series (Class I) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.40%
|
|
| Systematic High Yield Bond Series (Class I) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.80%
|
|
| Systematic High Yield Bond Series (Class S) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.40%
|
|
| Systematic High Yield Bond Series (Class S) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.30%
|
|
| Systematic High Yield Bond Series (Class S) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| Systematic High Yield Bond Series (Class S) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Systematic High Yield Bond Series (Class S) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.80%
|
|
| Systematic High Yield Bond Series (Class S) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Systematic High Yield Bond Series (Class S) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
14.70%
|
|
| Systematic High Yield Bond Series (Class S) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.20%
|
|
| Systematic High Yield Bond Series (Class S) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.90%
|
|
| Systematic High Yield Bond Series (Class S) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| Systematic High Yield Bond Series (Class S) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.40%
|
|
| Systematic High Yield Bond Series (Class S) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.80%
|
|
| Systematic High Yield Bond Series (Class W) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.40%
|
|
| Systematic High Yield Bond Series (Class W) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.30%
|
|
| Systematic High Yield Bond Series (Class W) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| Systematic High Yield Bond Series (Class W) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Systematic High Yield Bond Series (Class W) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.80%
|
|
| Systematic High Yield Bond Series (Class W) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Systematic High Yield Bond Series (Class W) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
14.70%
|
|
| Systematic High Yield Bond Series (Class W) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.20%
|
|
| Systematic High Yield Bond Series (Class W) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.90%
|
|
| Systematic High Yield Bond Series (Class W) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| Systematic High Yield Bond Series (Class W) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.40%
|
|
| Systematic High Yield Bond Series (Class W) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.80%
|
|
| Systematic High Yield Bond Series (Class Z) | Communications Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
6.40%
|
|
| Systematic High Yield Bond Series (Class Z) | Consumer Discretionary Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
22.30%
|
|
| Systematic High Yield Bond Series (Class Z) | Consumer Staples Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
1.80%
|
|
| Systematic High Yield Bond Series (Class Z) | Energy Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
11.10%
|
|
| Systematic High Yield Bond Series (Class Z) | Financial Services Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
12.80%
|
|
| Systematic High Yield Bond Series (Class Z) | Healthcare Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
4.10%
|
|
| Systematic High Yield Bond Series (Class Z) | Industrial Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
14.70%
|
|
| Systematic High Yield Bond Series (Class Z) | Information Technology Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.20%
|
|
| Systematic High Yield Bond Series (Class Z) | Materials Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
7.90%
|
|
| Systematic High Yield Bond Series (Class Z) | Real Estate Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
5.50%
|
|
| Systematic High Yield Bond Series (Class Z) | Utilities Sector [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
3.40%
|
|
| Systematic High Yield Bond Series (Class Z) | Cash, short-term investment, and other assets, less liabilities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Net Asset Value |
2.80%
|
|
|
|