Shareholder Report, Holdings (Details)	Jun. 30, 2025
C000010830 \| Liabilities in Excess of Other Assets
Holdings [Line Items]
Percent of Net Asset Value	(1.30%)
C000010830 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	32.60%
C000010830 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	13.90%
C000010830 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	12.00%
C000010830 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	10.60%
C000010830 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	9.70%
C000010830 \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	8.20%
C000010830 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000010830 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	2.60%
C000010830 \| Real Estate
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000010830 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000010830 \| Utilities
Holdings [Line Items]
Percent of Net Asset Value	1.30%
C000010830 \| Short-Term Securities
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000010829 \| Common Stocks
Holdings [Line Items]
Percent of Total Investments	60.20%
C000010829 \| Corporate Bonds
Holdings [Line Items]
Percent of Total Investments	20.70%
C000010829 \| U.S. Treasury Obligations
Holdings [Line Items]
Percent of Total Investments	10.90%
C000010829 \| U.S. Government Sponsored Agency Securities
Holdings [Line Items]
Percent of Total Investments	7.80%
C000010829 \| Asset-Backed Securities
Holdings [Line Items]
Percent of Total Investments	0.10%
C000010829 \| Foreign Government Obligations
Holdings [Line Items]
Percent of Total Investments	0.10%
C000010829 \| Non-Agency Mortgage-Backed Securities
Holdings [Line Items]
Percent of Total Investments	0.10%
C000010829 \| Preferred Securities
Holdings [Line Items]
Percent of Total Investments	0.10%
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	(8.40%)
C000010833 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	47.00%
C000010833 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000010833 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	15.00%
C000010833 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	7.50%
C000010833 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	15.50%
C000010833 \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	5.70%
C000010833 \| Real Estate
Holdings [Line Items]
Percent of Net Asset Value	0.30%
C000010833 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	0.80%
C000010833 \| Short-Term Securities
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000010832 \| Other_2
Holdings [Line Items]
Percent of Net Long Exposure	10.70%
Percent of Net Short Exposure	0.00%
C000010832 \| United States
Holdings [Line Items]
Percent of Net Long Exposure	63.70%
Percent of Net Short Exposure	0.00%
C000010832 \| United Kingdom
Holdings [Line Items]
Percent of Net Long Exposure	5.90%
Percent of Net Short Exposure	0.00%
C000010832 \| France
Holdings [Line Items]
Percent of Net Long Exposure	3.40%
Percent of Net Short Exposure	0.00%
C000010832 \| Italy
Holdings [Line Items]
Percent of Net Long Exposure	2.90%
Percent of Net Short Exposure	0.00%
C000010832 \| Germany
Holdings [Line Items]
Percent of Net Long Exposure	2.60%
Percent of Net Short Exposure	0.00%
C000010832 \| Netherlands
Holdings [Line Items]
Percent of Net Long Exposure	2.40%
Percent of Net Short Exposure	0.00%
C000010832 \| China
Holdings [Line Items]
Percent of Net Long Exposure	2.30%
Percent of Net Short Exposure	0.00%
C000010832 \| Ireland
Holdings [Line Items]
Percent of Net Long Exposure	2.20%
Percent of Net Short Exposure	0.00%
C000010832 \| Japan
Holdings [Line Items]
Percent of Net Long Exposure	2.00%
Percent of Net Short Exposure	0.00%
C000010832 \| Canada
Holdings [Line Items]
Percent of Net Long Exposure	1.90%
Percent of Net Short Exposure	0.00%
C000010836 \| U.S. Treasury Obligations
Holdings [Line Items]
Percent of Net Asset Value	41.80%
C000010836 \| Repurchase Agreements
Holdings [Line Items]
Percent of Net Asset Value	43.10%
C000010836 \| U.S. Government Sponsored Agency Obligations
Holdings [Line Items]
Percent of Net Asset Value	16.00%
C000010836 \| Other Money Market Types
Holdings [Line Items]
Percent of Net Asset Value	(0.90%)

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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