v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000010830 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value (1.40%)
C000010830 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 36.40%
C000010830 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000010830 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000010830 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000010830 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000010830 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000010830 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000010830 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000010830 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000010830 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000010830 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000010830 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000010829 | Common Stocks  
Holdings [Line Items]  
Percent of Total Investments 55.30%
C000010829 | Corporate Bonds  
Holdings [Line Items]  
Percent of Total Investments 19.20%
C000010829 | U.S. Government Sponsored Agency Securities  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000010829 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 10.20%
C000010829 | Non-Agency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000010829 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Total Investments 0.40%
C000010829 | Foreign Government Obligations  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000010829 | Preferred Securities  
Holdings [Line Items]  
Percent of Total Investments 0.20%
C000010829 | Rights  
Holdings [Line Items]  
Percent of Total Investments 0.00% [1]
C000010829 | Other Interests  
Holdings [Line Items]  
Percent of Total Investments 0.00%
C000010833 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000010833 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 52.30%
C000010833 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
C000010833 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000010833 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000010833 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000010833 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000010833 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000010833 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000010833 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000010833 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000010832 | Other_2  
Holdings [Line Items]  
Percent of Net Long Exposure 10.80%
Percent of Net Short Exposure 0.00%
C000010832 | United States  
Holdings [Line Items]  
Percent of Net Long Exposure 67.00%
Percent of Net Short Exposure 0.00%
C000010832 | United Kingdom  
Holdings [Line Items]  
Percent of Net Long Exposure 4.50%
Percent of Net Short Exposure 0.00%
C000010832 | Germany  
Holdings [Line Items]  
Percent of Net Long Exposure 2.80%
Percent of Net Short Exposure 0.00%
C000010832 | Ireland  
Holdings [Line Items]  
Percent of Net Long Exposure 2.60%
Percent of Net Short Exposure 0.00%
C000010832 | France  
Holdings [Line Items]  
Percent of Net Long Exposure 2.30%
Percent of Net Short Exposure 0.00%
C000010832 | Japan  
Holdings [Line Items]  
Percent of Net Long Exposure 2.30%
Percent of Net Short Exposure 0.00%
C000010832 | Taiwan  
Holdings [Line Items]  
Percent of Net Long Exposure 2.20%
Percent of Net Short Exposure 0.00%
C000010832 | Netherlands  
Holdings [Line Items]  
Percent of Net Long Exposure 2.00%
Percent of Net Short Exposure 0.00%
C000010832 | Italy  
Holdings [Line Items]  
Percent of Net Long Exposure 1.90%
Percent of Net Short Exposure 0.00%
C000010832 | Canada  
Holdings [Line Items]  
Percent of Net Long Exposure 1.60%
Percent of Net Short Exposure 0.00%
C000010836 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 31.70%
C000010836 | Repurchase Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 36.40%
C000010836 | U.S. Government Sponsored Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 31.90%
C000010836 | Other Money Market Types  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [2]
[1] Rounds to less than 0.1%.
[2] Rounds to less than 0.1%.