<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:cik0000855396="http://www.lordabbett.com/20251231"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:oef="http://xbrl.sec.gov/oef/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="c485bpos-20260409.xsd" xlink:type="simple"/>
    <context id="Context_20251231_20251231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_PRINCIPALRISKS2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_RiskLoseMoneyMember_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_RiskNotInsuredMember_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_PortfolioManagementRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_MarketRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_FixedIncomeSecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:FixedIncomeSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_HighYieldSecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighYieldSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_CreditRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CreditRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_InterestRateRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:InterestRateRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_LiquidityRedemptionRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_EquitySecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_IndustryandSectorRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_ConvertibleSecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ConvertibleSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_GovernmentSecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:GovernmentSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_Inflation-LinkedInvestmentsRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Inflation-LinkedInvestmentsRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_MunicipalSecuritiesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MunicipalSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_SovereignDebtRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:SovereignDebtRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_ForeignandEmergingMarketCompanyRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_ForeignCurrencyRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignCurrencyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_LoanRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LoanRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_DerivativesRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:DerivativesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007299Member_HighPortfolioTurnoverRisk2_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighPortfolioTurnoverRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000020055Member_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex31Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex31Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex31Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex31Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofAUSHighYieldConstrainedIndex33Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofAUSHighYieldConstrainedIndex33Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofAUSHighYieldConstrainedIndex33Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007299Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofAUSHighYieldConstrainedIndex33Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_PRINCIPALRISKS2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_RiskLoseMoneyMember_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_RiskNotInsuredMember_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_PortfolioManagementRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_MarketRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_EquitySecuritiesRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_IndustryandSectorRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_Mid-SizedandSmallCompanyRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mid-SizedandSmallCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_GrowthInvestingRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:GrowthInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_ForeignandEmergingMarketCompanyRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_ForeignCurrencyRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignCurrencyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_LiquidityRedemptionRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028719Member_HighPortfolioTurnoverRisk2_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighPortfolioTurnoverRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000087850Member_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087850Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell2000GrowthIndex35Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell2000GrowthIndex35Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell2000GrowthIndex35Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell2000GrowthIndex35Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500Index37_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index37Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500Index37_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index37Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500Index37_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index37Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500Index37_S000028719Member_S000028719Summary2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028719Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index37Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_PRINCIPALRISKS2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_RiskLoseMoneyMember_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_RiskNotInsuredMember_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_PortfolioManagementRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_InvestmentStrategyRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:InvestmentStrategyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_MarketRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_EquitySecuritiesRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_DividendRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:DividendRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_IndustryandSectorRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_LargeCompanyRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LargeCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_Mid-SizedCompanyRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mid-SizedCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_ValueInvestingRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ValueInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_GrowthInvestingRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:GrowthInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_ForeignandEmergingMarketCompanyRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_ForeignCurrencyRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignCurrencyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007298Member_LiquidityRedemptionRisk2_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000020054Member_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500Index39_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index39Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500Index39_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index39Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500Index39_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index39Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500Index39_S000007298Member_S000007298Summary3Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007298Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index39Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_PRINCIPALRISKS2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_RiskLoseMoneyMember_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_RiskNotInsuredMember_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_PortfolioManagementRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_MarketRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_EquitySecuritiesRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_IndustryandSectorRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_LargeCompanyRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LargeCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_Mid-SizedandSmallCompanyRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mid-SizedandSmallCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_ValueInvestingRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ValueInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_ForeignandEmergingMarketCompanyRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_LiquidityRedemptionRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007297Member_HighPortfolioTurnoverRisk2_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighPortfolioTurnoverRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000020053Member_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020053Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex311Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex311Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex311Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex311Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000Index313Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000Index313Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000Index313Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000Index313Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000ValueIndex315Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000ValueIndex315Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000ValueIndex315Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell3000ValueIndex315Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500Index317_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index317Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500Index317_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index317Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500Index317_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index317Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500Index317_S000007297Member_S000007297Summary4Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007297Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index317Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_PRINCIPALRISKS2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_RiskLoseMoneyMember_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_RiskNotInsuredMember_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_PortfolioManagementRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_MarketRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_EquitySecuritiesRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_IndustryandSectorRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_LargeCompanyRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LargeCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_ValueInvestingRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ValueInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_ForeignandEmergingMarketCompanyRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_RealEstateRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:RealEstateRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007300Member_LiquidityRedemptionRisk2_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000020056Member_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020056Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:Russell1000ValueIndex319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500Index321_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index321Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500Index321_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index321Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500Index321_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index321Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500Index321_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index321Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500ValueIndex323Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500ValueIndex323Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500ValueIndex323Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007300Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500ValueIndex323Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_PRINCIPALRISKS2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_RiskLoseMoneyMember_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_RiskNotInsuredMember_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_PortfolioManagementRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_MarketRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_EquitySecuritiesRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_IndustryandSectorRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_Mid-SizedCompanyRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mid-SizedCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_GrowthInvestingRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:GrowthInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_ForeignandEmergingMarketCompanyRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_ForeignCurrencyRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignCurrencyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_RealEstateRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:RealEstateRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_LiquidityRedemptionRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007301Member_HighPortfolioTurnoverRisk2_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighPortfolioTurnoverRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000020057Member_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020057Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapGrowthIndex325Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapGrowthIndex325Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapGrowthIndex325Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapGrowthIndex325Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapIndex327Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapIndex327Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapIndex327Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapIndex327Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500Index329_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index329Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500Index329_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index329Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500Index329_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index329Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500Index329_S000007301Member_S000007301Summary6Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007301Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index329Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_PRINCIPALRISKS2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_RiskLoseMoneyMember_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_RiskNotInsuredMember_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_PortfolioManagementRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_MarketRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_EquitySecuritiesRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:EquitySecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_IndustryandSectorRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:IndustryandSectorRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_Mid-SizedCompanyRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mid-SizedCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_ValueInvestingRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ValueInvestingRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_ForeignandEmergingMarketCompanyRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_RealEstateRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:RealEstateRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000007304Member_LiquidityRedemptionRisk2_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000020060Member_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000020060Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapValueIndex331Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapValueIndex331Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapValueIndex331Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:RussellMidcapValueIndex331Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SPMidCap400ValueIndex333Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SPMidCap400ValueIndex333Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SPMidCap400ValueIndex333Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SPMidCap400ValueIndex333Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_SP500Index335_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index335Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_SP500Index335_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index335Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_SP500Index335_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index335Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_SP500Index335_S000007304Member_S000007304Summary7Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000007304Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:SP500Index335Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000272081Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000272081Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_PRINCIPALRISKS2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_RiskLoseMoneyMember_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_RiskNotInsuredMember_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_PortfolioManagementRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_MarketRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_FixedIncomeSecuritiesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:FixedIncomeSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_ForeignCurrencyRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignCurrencyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_HighYieldSecuritiesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighYieldSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_CreditRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CreditRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_InterestRateRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:InterestRateRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_LiquidityRedemptionRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_GovernmentSecuritiesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:GovernmentSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_CommercialMortgage-BackedSecuritiesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CommercialMortgage-BackedSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_ConvertibleSecuritiesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ConvertibleSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_Inflation-LinkedInvestmentsRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Inflation-LinkedInvestmentsRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_ForeignandEmergingMarketCompanyRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_LoanRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LoanRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000045029Member_DerivativesRisk2_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:DerivativesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000139705Member_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000139705Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofA13YearUSCorporateIndex337Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofA13YearUSCorporateIndex337Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofA13YearUSCorporateIndex337Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:ICEBofA13YearUSCorporateIndex337Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex339Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex339Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex339Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000045029Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex339Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_PRINCIPALRISKS2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PRINCIPALRISKS2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_RiskLoseMoneyMember_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskLoseMoneyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_RiskNotInsuredMember_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">oef:RiskNotInsuredMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_PortfolioManagementRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:PortfolioManagementRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_MarketRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:MarketRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_FixedIncomeSecuritiesRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:FixedIncomeSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_HighYieldSecuritiesRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighYieldSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_CreditRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CreditRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_InterestRateRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:InterestRateRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_LiquidityRedemptionRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LiquidityRedemptionRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_GovernmentSecuritiesRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:GovernmentSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_Inflation-LinkedInvestmentsRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:Inflation-LinkedInvestmentsRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_ForeignandEmergingMarketCompanyRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignandEmergingMarketCompanyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_ForeignCurrencyRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:ForeignCurrencyRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_LoanRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:LoanRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_DerivativesRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:DerivativesRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_S000028721Member_HighPortfolioTurnoverRisk2_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:RiskAxis">cik0000855396:HighPortfolioTurnoverRisk2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20161231_20161231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-12-31</startDate>
            <endDate>2016-12-31</endDate>
        </period>
    </context>
    <context id="Context_20171231_20171231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-12-31</startDate>
            <endDate>2017-12-31</endDate>
        </period>
    </context>
    <context id="Context_20181231_20181231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2018-12-31</startDate>
            <endDate>2018-12-31</endDate>
        </period>
    </context>
    <context id="Context_20191231_20191231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-31</startDate>
            <endDate>2019-12-31</endDate>
        </period>
    </context>
    <context id="Context_20201231_20201231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-31</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="Context_20211231_20211231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-12-31</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="Context_20221231_20221231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-12-31</startDate>
            <endDate>2022-12-31</endDate>
        </period>
    </context>
    <context id="Context_20231231_20231231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-12-31</startDate>
            <endDate>2023-12-31</endDate>
        </period>
    </context>
    <context id="Context_20241231_20241231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-12-31</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_C000087852Member_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">cik0000855396:C000087852Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20251231_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex341Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20250101_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex341Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20210101_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex341Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Context_20160101_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000855396</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">cik0000855396:S000028721Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:PerformanceMeasureAxis">cik0000855396:BloombergUSAggregateBondIndex341Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2016-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <oef:ProspectusDate contextRef="Context_20251231_20251231" id="ixv-31050">2026-05-01</oef:ProspectusDate>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31051">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31052"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31053">The Fund&#x2019;s investment
objective is to seek high current income and the opportunity for capital appreciation to produce a high
total return.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31054">
FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-494">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This table describes the fees and expenses
that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage
commissions and other fees to financial intermediaries, which are not reflected in the table and examples
below. The table does not reflect the fees and expenses of variable annuity contracts or variable life
insurance policies (together, &#x201c;Variable Contracts&#x201d;). If such fees and expenses were reflected, expenses
shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.47%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.42%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.25pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Acquired Fund Fees
and Expenses&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.25pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.09%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.98%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; color:#000000; font-weight:normal; text-decoration:none; vertical-align:super;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Includes interest expense from certain underlying affiliated funds of 0.09%. Excluding
interest expense of the applicable underlying affiliated funds, Total Annual Fund Operating Expenses
is 0.89%.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31055">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-560">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This Example is intended to help you compare
the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes
that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares
at the end of those periods. The Example also assumes that your investment has a 5% return each year
and that the Fund&#x2019;s operating expenses remain the same. The Example does not reflect Variable Contract
expenses, fees, and charges. If these expenses, fees, and charges were included, your costs would be
higher. Although your actual costs may be higher or lower, based on these assumptions your costs would
be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31056"
      unitRef="usd">100</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31057"
      unitRef="usd">312</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31058"
      unitRef="usd">542</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31059"
      unitRef="usd">1201</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31060">Portfolio Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-611">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns
over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These
costs, which are not reflected in the annual fund operating expenses or in the example, affect the Fund&#x2019;s
performance. &lt;/span&gt;

&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;During the most recent fiscal year, the Fund&#x2019;s portfolio turnover rate was 306%
of the average value of its portfolio.&lt;/p&gt;</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31061"
      unitRef="pure">3.06</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31062">  PRINCIPAL INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-625">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;To
pursue its objective, under normal conditions, the Fund invests at least 80% of its net assets, plus
the amount of any borrowings for investment purposes, in bonds, debentures and other fixed income securities.
The Fund may invest a substantial portion of its net assets in high-yield securities (commonly referred
to as &#x201c;below investment grade&#x201d; or &#x201c;junk&#x201d; bonds). High-yield securities are debt securities that
are rated BB/Ba or lower by an independent rating agency, or are unrated but determined by Lord, Abbett
&amp;amp; Co. LLC (&#x201c;Lord Abbett&#x201d;) to be of comparable quality. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund&#x2019;s investments
consist of the following types of securities and other financial instruments:&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;U.S. high-yield securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;U.S. investment grade fixed income securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;convertible
securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;foreign
(including emerging market) securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;mortgage-backed, mortgage-related, and other asset-backed
securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;government
securities, including U.S. Government securities, municipal securities, and non-U.S. sovereign government
securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;loans,
including bridge loans, novations, assignments and participations;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;structured securities and other hybrid instruments, including
collateralized loan obligations (&#x201c;CLOs&#x201d;);&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;inflation-linked instruments; and&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;equity securities.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Under normal conditions,
the Fund allocates its assets principally among fixed income securities in the following four asset categories:
U.S. high yield securities; U.S. investment grade fixed income securities; convertible securities; and
foreign (including emerging market) securities. However, the Fund may invest substantially all of its
assets in any one of these categories at any time, provided that (i) at least 20% of the Fund&#x2019;s net
assets are invested in any combination of investment grade debt securities, U.S. Government securities,
and cash equivalents, and (ii) the Fund&#x2019;s investments in foreign securities, which are securities of
non-U.S. issuers that are denominated in non-U.S. currencies, do not exceed 20% of its net assets.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may invest up to 20% of its net assets in equity securities, including common stocks, preferred
stocks, convertible preferred stocks, and similar &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;instruments. The Fund may invest up to 15% of its net assets in floating or adjustable
rate loans, including bridge loans, novations, assignments, and participations. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may use derivatives to hedge against risk or to gain investment exposure. Currently, the Fund expects
to invest in derivatives consisting principally of futures, forwards, options, and swaps. The Fund may
use derivatives to seek to enhance returns, to attempt to hedge some of its investment risk, to manage
portfolio duration, as a substitute for holding the underlying asset on which the derivative instrument
is based, or for cash management purposes. For example, the Fund may invest in or sell short U.S. Treasury
futures, securities index futures, other futures, and/or currency forwards to adjust the Fund&#x2019;s exposure
to the direction of interest rates, or for other portfolio management reasons.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
portfolio management team selects securities using a bottom-up analysis of an issuer&#x2019;s management quality,
credit risk, and relative market position, and industry dynamics, as well as an evaluation of conditions
within the broader economy. The portfolio management team attempts to reduce risk through portfolio diversification,
credit analysis, and attention to current developments and trends in interest rates and economic conditions.
&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may sell a security when the Fund believes the security is less likely
to benefit from the current market and economic environment, or shows signs of deteriorating fundamentals,
among other reasons. The Fund may deviate from the investment strategy described above for temporary
defensive purposes. The Fund may miss certain investment opportunities if defensive strategies are used
and thus may not achieve its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_PRINCIPALRISKS2_S000007299Summary1Member"
      id="ixv-679">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x2"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its
performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_RiskLoseMoneyMember_S000007299Summary1Member"
      id="ixv-31064">As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_PortfolioManagementRisk2_S000007299Summary1Member"
      id="ixv-686">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_MarketRisk2_S000007299Summary1Member"
      id="ixv-692">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other factors, political developments, and other
factors. Prices of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_FixedIncomeSecuritiesRisk2_S000007299Summary1Member"
      id="ixv-698">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Fixed
Income Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund is subject to the general risks and considerations associated with investing
in debt securities, including the risk &lt;/span&gt;&lt;/p&gt;

&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;that issuers will fail to make timely payments of principal or interest or default
altogether. Lower-rated securities in which the Fund may invest may be more volatile and may decline
more in price in response to negative issuer developments or general economic news due to their increased
credit risk relative to other fixed-income investments. In addition, as interest rates rise, the Fund&#x2019;s
investments typically will lose value. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fiscal, economic, monetary, or other governmental policies
or&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;measures
have in the past&#x2014;and may in the future&#x2014;cause or exacerbate&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;interest rate risks.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_HighYieldSecuritiesRisk2_S000007299Summary1Member"
      id="ixv-716">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High
Yield Securities Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High yield securities (commonly referred to as &#x201c;junk&#x201d; bonds) typically pay
a higher yield than investment grade securities, but may have greater price fluctuations and have a higher
risk of default than investment grade securities. The market for high yield securities may be less liquid
due to such factors as interest rate sensitivity, negative perceptions of the junk bond markets generally,
and less secondary market liquidity. This may make such securities more difficult to sell at an acceptable
price, especially during periods of financial distress, increased market volatility, or significant market
decline.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_CreditRisk2_S000007299Summary1Member"
      id="ixv-722">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Credit
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Debt securities are subject to the risk that the issuer or guarantor of a security
may not make interest and principal payments as they become due or may default altogether. In addition,
if the market perceives a deterioration in the creditworthiness of an issuer, the value and liquidity
of securities issued by that issuer may decline. To the extent that the Fund holds below investment grade
securities, these risks may be heightened. Insured debt securities have the credit risk of the insurer
in addition to the credit risk of the underlying investment being insured.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_InterestRateRisk2_S000007299Summary1Member"
      id="ixv-728">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Interest Rate Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; As interest rates rise, prices of bonds
(including tax-exempt bonds) generally fall, typically causing the Fund&#x2019;s investments to lose value.
Additionally, rising interest rates or lack of market participants may lead to decreased liquidity in
fixed income markets. Interest rate changes generally have a more pronounced effect on the market value
of fixed-rate instruments, such as corporate bonds, than they have on floating rate instruments, and
typically have a greater effect on the price of fixed income securities with longer durations. A wide
variety of market factors can cause interest rates to rise, including central bank monetary policy, rising
inflation, and changes in general economic conditions.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_LiquidityRedemptionRisk2_S000007299Summary1Member"
      id="ixv-734">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money
when selling securities at inopportune times to fulfill shareholder redemption requests. The risk of
loss may increase depending on the size and frequency of redemption requests, whether the redemption
requests occur in times of overall market turmoil or declining prices, and whether the securities the
Fund intends to sell have decreased in value or are illiquid. The Fund may be less able to sell illiquid
securities at its desired time or price. It may be more difficult for the Fund to value its investments
in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_EquitySecuritiesRisk2_S000007299Summary1Member"
      id="ixv-744">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity
Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities, as well as equity-like securities such as convertible debt
securities, may experience significant volatility. Such securities may fall sharply in response to adverse
events affecting overall markets, a particular industry or sector, or an individual company&#x2019;s financial
condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_IndustryandSectorRisk2_S000007299Summary1Member"
      id="ixv-750">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry
and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does not employ an industry or sector focus, its exposure to
specific industries or sectors will increase from time to time based on the portfolio management team&#x2019;s
perception of investment opportunities. If the Fund is overweight in a single industry or sector relative
to its benchmark index, the Fund will face an increased risk that the value of its portfolio will decrease
because of events disproportionately affecting that industry or sector. Furthermore, investments in particular
industries or sectors may be more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_ConvertibleSecuritiesRisk2_S000007299Summary1Member"
      id="ixv-756">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Convertible Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Convertible securities
are subject to the risks affecting both equity and fixed income securities, including market, credit,
liquidity, and interest rate risk. Convertible securities tend to be more volatile than other fixed income
securities, and the markets for convertible securities may be less liquid than markets for common stocks
or bonds. A significant portion of convertible securities have below investment grade credit ratings
and are subject to increased credit and liquidity risks.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_GovernmentSecuritiesRisk2_S000007299Summary1Member"
      id="ixv-762">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Government Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund invests in
securities issued or guaranteed by the U.S. Government or its agencies and instrumentalities (such as
the Government National Mortgage Association (&#x201c;Ginnie Mae&#x201d;), the Federal National Mortgage Association
(&#x201c;Fannie Mae&#x201d;), or the Federal Home Loan Mortgage Corporation (&#x201c;Freddie Mac&#x201d;)). Different types
of U.S. government securities are subject to different levels of credit risk, including the risk of default,
depending on the nature of the particular government support for that security. Unlike Ginnie Mae securities,
securities issued or guaranteed by U.S. Government-related organizations, such as Fannie Mae and Freddie
Mac, are not backed by the full faith and credit of the U.S. Government and no assurance can be given
that the U.S. Government would provide financial support. Past long-term U.S. credit rating downgrades
have introduced greater uncertainty about the ability of the United States to repay its obligations.
The value of the Fund&#x2019;s shares may be adversely affected by any future rating agency downgrades.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2_S000007299Summary1Member"
      id="ixv-768">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mortgage-Related
and Other Asset-Backed Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Mortgage-related securities, including commercial mortgage-backed
securities (&#x201c;CMBS&#x201d;) and other privately issued mortgage-related securities, and other asset-backed
securities may be particularly sensitive to changes in prevailing interest rates and economic conditions,
including delinquencies and defaults.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#00B050; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The prices of mortgage-related and other
asset-backed securities, depending on their structure and the rate of payments, can be volatile. They
are subject to prepayment risk (higher than expected prepayment rates of mortgage obligations due to
a fall in &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;market interest rates) and extension risk (lower than expected
prepayment rates of mortgage obligations due to a rise in market interest rates). These risks increase
the Fund&#x2019;s overall interest rate risk. Some mortgage-related securities receive government or private
support, but there is no assurance that such support will remain in place.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_Inflation-LinkedInvestmentsRisk2_S000007299Summary1Member"
      id="ixv-782">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Inflation-Linked Investments Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Unlike traditional
fixed income securities, the principal and interest payments of inflation-linked investments are adjusted
periodically based on the inflation rate. The value of the Fund&#x2019;s inflation-linked investments may
be vulnerable to changes in expectations of inflation or interest rates and there is no guarantee that
the Fund&#x2019;s use of these instruments will be successful.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_MunicipalSecuritiesRisk2_S000007299Summary1Member"
      id="ixv-788">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Municipal Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Municipal securities
are subject to the same risks affecting fixed income securities in general. In addition, the prices of
municipal securities may be adversely affected by legislative or political changes, tax rulings, judicial
action, changes in market and economic conditions, and the fiscal condition of the municipal issuer,
including an insolvent municipality filing for bankruptcy. The Fund may be more sensitive to these events
and conditions if it invests a substantial portion of its assets in the municipal securities of similar
projects (such as those relating to education, health care, housing, transportation, and utilities),
in particular types of municipal securities (such as general obligation bonds, private activity bonds,
and special tax bonds), or in the securities of issuers located within a single state, municipality,
territory (such as Puerto Rico), or geographic area. The market for municipal securities generally is
less liquid than other securities markets, which may make it more difficult for the Fund to sell its
municipal securities. Nongovernmental users of facilities financed by tax-exempt revenue bonds (&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:italic; font-weight:normal; text-decoration:none;"&gt;e.g.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;,
companies in the electric utility and health care industries) may have difficulty making payments on
their obligations in the event of an economic downturn. This would negatively affect the valuation of
municipal securities issued by such facilities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_SovereignDebtRisk2_S000007299Summary1Member"
      id="ixv-796">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Sovereign Debt Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Sovereign debt securities are subject
to the risk that the relevant sovereign government or governmental entity may delay or refuse to pay
interest or repay principal on its debt. There is no legal process for collecting sovereign debt that
is not repaid, nor are there bankruptcy proceedings through which all or part of the unpaid sovereign
debt may be collected.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_ForeignandEmergingMarketCompanyRisk2_S000007299Summary1Member"
      id="ixv-802">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
American Depositary Receipts (&#x201c;ADRs&#x201d;), which may be less liquid than the underlying shares in their
primary trading market. Foreign securities also may subject the &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more volatile than other foreign securities, and are subject to greater liquidity, regulatory,
and political risks. Investments in emerging markets may be considered speculative and generally are
riskier than investments in more developed markets. Emerging markets are more likely to experience hyperinflation
and currency devaluations. Securities of emerging market companies may have far lower trading volumes
and less liquidity than securities of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging
market countries, governments participate to a significant degree in their respective economies. Action
by these governments could have a significant adverse effect on market prices of securities and payment
of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic ties to emerging markets may be susceptible to the same
risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_ForeignCurrencyRisk2_S000007299Summary1Member"
      id="ixv-817">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign Currency Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Investments in securities
that are denominated or receiving revenues in foreign currencies are subject to the risk that those currencies
will decline in value relative to the U.S. dollar, or, in the case of hedged positions, that the U.S.
dollar will decline in value relative to the currency being hedged. Foreign currency exchange rates may
fluctuate significantly over short periods of time.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_LoanRisk2_S000007299Summary1Member"
      id="ixv-823">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Loan Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in floating or adjustable rate
loans are subject to increased credit and liquidity risks. Loan prices also may be adversely affected
by supply-demand imbalances caused by conditions in the loan market or related markets. Below investment
grade loans, like high-yield debt securities, or junk bonds, usually are more credit sensitive than interest
rate sensitive, although the value of these instruments may be affected by interest rate swings in the
overall fixed income market. Loans may be subject to structural subordination and&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#0000FF; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;may
be subordinated to other obligations of the borrower or its subsidiaries.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2_S000007299Summary1Member"
      id="ixv-831">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Collateralized Loan Obligations and Other Collateralized Obligations
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;  An investment in a CLO can be viewed as investing in (or through) another investment
adviser and is subject to the layering of fees associated with such an investment. The risks of investing
in a CLO generally can be summarized as a combination of economic risks of the underlying loans combined
with the risks associated with the CLO structure governing the priority of payments, and include interest
rate risk, credit risk, liquidity risk, prepayment risk, and the risk of default of the underlying asset,
among others.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_DerivativesRisk2_S000007299Summary1Member"
      id="ixv-837">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Derivatives
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The risks associated with derivatives may be different from and greater than
the risks associated with directly investing in securities and other investments. Derivatives may increase
the Fund&#x2019;s volatility and reduce its returns. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Derivatives may not perform as expected
and the Fund may not realize the intended benefits. Whether the Fund&#x2019;s use of derivatives is successful
may depend on, among other things, the portfolio managers&#x2019; ability to correctly forecast market movements,
company and industry valuation levels and trends, &lt;/span&gt;&lt;/p&gt;

&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;changes in foreign exchange and interest rates, and other factors. If the portfolio
managers incorrectly forecast these and other factors, the Fund&#x2019;s performance could suffer. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Derivatives
are also subject to liquidity risk and the risk that the&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;counterparty to a derivative
transaction may fail to fulfill its contractual&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;obligations under the
derivative contract. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In addition, given their complexity, derivatives are subject to the risk that
improper or misunderstood documentation may expose the Fund to losses.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_HighPortfolioTurnoverRisk2_S000007299Summary1Member"
      id="ixv-857">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High Portfolio Turnover Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High portfolio turnover
may result in increased transaction costs&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#FF0000; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;and reduced investment performance.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_RiskNotInsuredMember_S000007299Summary1Member"
      id="ixv-31065">An
investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31066">
 PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-872">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.
Each assumes reinvestment of dividends and distributions. The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future. &lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31068">The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31069">The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-874">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes
in the performance of the Fund&#x2019;s Class VC shares from calendar year to calendar year. This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31070">This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31071">Bar
Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-884">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+10.40%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-12.42%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      id="ixv-31072">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      id="ixv-31073">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31074"
      unitRef="pure">0.1040</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      id="ixv-31075">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      id="ixv-31076">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31077"
      unitRef="pure">-0.1242</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-900">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The table below shows how the Fund&#x2019;s average annual total returns compare to
the returns of securities market indices with investment characteristics similar to those of the Fund.&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31078">Average Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31079"
      unitRef="pure">0.0833</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31080"
      unitRef="pure">0.0210</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31081"
      unitRef="pure">0.0472</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member"
      id="ixv-31082">Bloomberg U.S. Aggregate Bond Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31083"
      unitRef="pure">0.0730</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31084"
      unitRef="pure">-0.0036</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_BloombergUSAggregateBondIndex31_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31085"
      unitRef="pure">0.0201</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31086">(reflects no deduction for fees, expenses, or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member"
      id="ixv-31087">ICE BofA U.S. High Yield Constrained Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31088"
      unitRef="pure">0.0859</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31089"
      unitRef="pure">0.0456</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_ICEBofAUSHighYieldConstrainedIndex33_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-31090"
      unitRef="pure">0.0647</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31091">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31092"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31093">The Fund&#x2019;s investment
objective is long-term growth of capital.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31094"> FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-2836">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund.
You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which
are not reflected in the table and examples below. The table does not reflect the fees and expenses of
variable annuity contracts or variable life insurance policies (together, &#x201c;Variable Contracts&#x201d;).
If such fees and expenses were reflected, expenses shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.75%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.52%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.27%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fee
Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;(0.23)%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Total Annual Fund Operating Expenses After
Fee Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.04%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; color:#000000; font-weight:normal; text-decoration:none; vertical-align:super;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;For the period from May 1, 2026 through April
30, 2027, Lord, Abbett &amp;amp; Co. LLC (&#x201c;Lord Abbett&#x201d;) has contractually agreed to waive its fees and
reimburse expenses to the extent necessary to limit total net annual operating expenses, excluding any
acquired fund fees and expenses, interest-related expenses, taxes, expenses related to litigation and
potential litigation, and extraordinary expenses, to an annual rate of 1.04%. This agreement may be terminated
only by the Fund&#x2019;s Board of Directors.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt; &lt;/p&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31095">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-2913">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same, giving effect to
the fee waiver and expense reimbursement arrangement described above. The Example does not reflect Variable
Contract expenses, fees, and charges. If these expenses, fees, and charges were included, your costs
would be higher. Although your actual costs may be higher or lower, based on these assumptions your costs
would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31096"
      unitRef="usd">106</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31097"
      unitRef="usd">380</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31098"
      unitRef="usd">675</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31099"
      unitRef="usd">1514</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31100">Portfolio
Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-2968">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund pays transaction costs, such as commissions, when it buys and sells
securities (or &#x201c;turns over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher
transaction costs. These costs, which are not reflected in the annual fund operating expenses or in the
example, affect the Fund&#x2019;s performance. During the most recent fiscal year, the Fund&#x2019;s portfolio
turnover rate was 117% of the average value of its portfolio.&lt;/span&gt;</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31101"
      unitRef="pure">1.17</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31102"> PRINCIPAL
INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-2975">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund invests in equity securities of companies that the
portfolio management team believes demonstrate above-average, long-term growth potential. The portfolio
management team seeks to identify companies that it believes are strongly positioned in the developing
growth phase, which it defines as the period of swift development after a company&#x2019;s start-up phase
when growth is expected to occur at a rate generally not equaled by established companies in their mature
years.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Under
normal conditions, the Fund invests at least 65% of its net assets in equity securities of small companies.
A small company is defined as a company having a market capitalization at the time of purchase that falls
within the market capitalization range of companies in the Russell 2000&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
Index. &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Equity securities in which the Fund may invest include common
stocks, preferred stocks, equity interests in trusts (including real estate investment trusts (&#x201c;REITs&#x201d;)
and privately offered trusts), partnerships, joint ventures, limited liability companies and vehicles
with similar legal structures, other instruments convertible or exercisable into the foregoing, and other
investments with similar economic characteristics. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The Fund may invest up to 20% of its net
assets in securities of foreign companies, including emerging market companies, American Depositary Receipts
(&#x201c;ADRs&#x201d;),&lt;/span&gt;&lt;span style="font-size:11.0pt; font-family:Sans-Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Global Depositary Receipts (&#x201c;GDRs&#x201d;),
and other similar depositary receipts. In addition to ADRs, the Fund generally defines foreign companies
as those whose securities are traded primarily on non-U.S. securities exchanges. &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may engage in active and frequent trading of its portfolio securities. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may sell a security when the Fund believes the security is less likely to benefit from the current
market and economic environment, or shows signs of deteriorating fundamentals, among other reasons. The
Fund may deviate from the investment strategy described above for temporary defensive purposes. The Fund
may miss certain investment opportunities if defensive strategies are used and thus may not achieve its
investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_PRINCIPALRISKS2_S000028719Summary2Member"
      id="ixv-2989">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x3"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As with any investment
in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little
or no return on your investment. When you redeem your shares, they may be worth more or less than what
you paid for them, which means that you may lose a portion or all of the money you invested in &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;the Fund. The principal risks of investing in the Fund, which could adversely
affect its performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_RiskLoseMoneyMember_S000028719Summary2Member"
      id="ixv-31103">As with any investment
in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little
or no return on your investment. When you redeem your shares, they may be worth more or less than what
you paid for them, which means that you may lose a portion or all of the money you invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_PortfolioManagementRisk2_S000028719Summary2Member"
      id="ixv-3002">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_MarketRisk2_S000028719Summary2Member"
      id="ixv-3008">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other factors, political developments, and other
factors. Prices of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_EquitySecuritiesRisk2_S000028719Summary2Member"
      id="ixv-3014">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity
Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities, as well as equity-like securities such as convertible debt
securities, may experience significant volatility. Such securities may fall sharply in response to adverse
events affecting overall markets, a particular industry or sector, or an individual company&#x2019;s financial
condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_IndustryandSectorRisk2_S000028719Summary2Member"
      id="ixv-3020">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry
and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does not employ an industry or sector focus, its exposure to
specific industries or sectors will increase from time to time based on the portfolio management team&#x2019;s
perception of investment opportunities. If the Fund is overweight in a single industry or sector relative
to its benchmark index, the Fund will face an increased risk that the value of its portfolio will decrease
because of events disproportionately affecting that industry or sector. Furthermore, investments in particular
industries or sectors may be more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_Mid-SizedandSmallCompanyRisk2_S000028719Summary2Member"
      id="ixv-3026">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mid-Sized and Small Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in mid-sized
and small companies may involve greater risks than investments in larger, more established companies.
Securities of mid-sized and small companies tend to be more sensitive to changing economic, market, and
industry conditions and tend to be more volatile and less liquid than equity securities of larger companies,
especially over the short term. The securities of mid-sized and small companies tend to trade less frequently
than those of larger, more established companies, which can adversely affect the pricing of these securities
and the ability to sell these securities in the future.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_GrowthInvestingRisk2_S000028719Summary2Member"
      id="ixv-3032">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Growth Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Growth stocks typically
trade at higher multiples of current earnings as compared to other stocks, which may lead to inflated
prices. Growth stocks often are more sensitive to market fluctuations than other securities because their
market prices are highly sensitive to future earnings expectations. At times when it appears that these
expectations may not be met, prices of growth stocks typically fall. Growth stocks may be more volatile
than securities of slower-growing issuers.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_ForeignandEmergingMarketCompanyRisk2_S000028719Summary2Member"
      id="ixv-3042">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
ADRs, which may be less liquid than the underlying shares in their primary trading market. Foreign securities
also may subject the Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more volatile than other foreign securities, and are subject to greater liquidity, regulatory,
and political risks. Investments in emerging markets may be considered speculative and generally are
riskier than investments in more developed markets. Emerging markets are more likely to experience hyperinflation
and currency devaluations. Securities of emerging market companies may have far lower trading volumes
and less liquidity than securities of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging
market countries, governments participate to a significant degree in their respective economies. Action
by these governments could have a significant adverse effect on market prices of securities and payment
of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic ties to emerging markets may be susceptible to the same
risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_ForeignCurrencyRisk2_S000028719Summary2Member"
      id="ixv-3050">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign Currency Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Investments in securities
that are denominated or receiving revenues in foreign currencies are subject to the risk that those currencies
will decline in value relative to the U.S. dollar, or, in the case of hedged positions, that the U.S.
dollar will decline in value relative to the currency being hedged. Foreign currency exchange rates may
fluctuate significantly over short periods of time.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_LiquidityRedemptionRisk2_S000028719Summary2Member"
      id="ixv-3056">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money
when selling securities at inopportune times to fulfill shareholder redemption requests. The risk of
loss may increase depending on the size and frequency of redemption requests, whether the redemption
requests occur in times of overall market turmoil or declining prices, and whether the securities the
Fund intends to sell have decreased in value or are illiquid. The Fund may be less able to sell illiquid
securities at its desired time or price. It may be more difficult for the Fund to value its investments
in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_HighPortfolioTurnoverRisk2_S000028719Summary2Member"
      id="ixv-3062">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High Portfolio Turnover Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High portfolio turnover
may result in increased transaction costs&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#FF0000; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;and reduced investment performance.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_RiskNotInsuredMember_S000028719Summary2Member"
      id="ixv-31105">An
investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31106">
 PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-3081">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.
Each assumes reinvestment of dividends and distributions. The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future. &lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31108">The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31109">The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-3083">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes
in the performance of the Fund&#x2019;s Class VC shares from calendar year to calendar year. This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31110">This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31111">Bar
Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-3093">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+40.86%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;4th Q 2018&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-23.96%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      id="ixv-31112">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      id="ixv-31113">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31114"
      unitRef="pure">0.4086</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      id="ixv-31115">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      id="ixv-31116">2018-12-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31117"
      unitRef="pure">-0.2396</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-3105">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The table below shows
how the Fund&#x2019;s average annual total returns compare to the returns of a securities market index with
investment characteristics similar to those of the Fund as well as to a broad-based securities market
index.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:9.35pt; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The
Fund has adopted the S&amp;amp;P 500&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Index as its broad-based securities market
index.&lt;/span&gt;&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31118">Average
Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31119"
      unitRef="pure">0.1459</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31120"
      unitRef="pure">-0.0117</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31121"
      unitRef="pure">0.1103</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member"
      id="ixv-31122">Russell 2000&#xae;
Growth Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31123"
      unitRef="pure">0.1301</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31124"
      unitRef="pure">0.0318</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_Russell2000GrowthIndex35_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31125"
      unitRef="pure">0.0957</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31126">(reflects no deduction for fees, expenses,
or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500Index37_S000028719Member_S000028719Summary2Member"
      id="ixv-31127">S&amp;P 500&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500Index37_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31128"
      unitRef="pure">0.1788</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500Index37_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31129"
      unitRef="pure">0.1442</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500Index37_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-31130"
      unitRef="pure">0.1482</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31131">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31132"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31133">The Fund&#x2019;s investment
objective is to seek current income and capital appreciation.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31134"> FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-4874">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund.
You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which
are not reflected in the table and examples below. The table does not reflect the fees and expenses of
variable annuity contracts or variable life insurance policies (together, &#x201c;Variable Contracts&#x201d;).
If such fees and expenses were reflected, expenses shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.55%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.45%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.00%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fee
Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;(0.01)%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Total Annual Fund Operating Expenses After
Fee Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.99%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; color:#000000; font-weight:normal; text-decoration:none; vertical-align:super;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;For the period from May 1, 2026 through April
30, 2027, Lord, Abbett &amp;amp; Co. LLC (&#x201c;Lord Abbett&#x201d;) has contractually agreed to waive its fees and
reimburse expenses to the extent necessary to limit total net annual operating expenses, excluding any
acquired fund fees and expenses, interest-related expenses, taxes, expenses related to litigation and
potential litigation, and extraordinary expenses, to an annual rate of 0.99%. This agreement may be terminated
only by the Fund&#x2019;s Board of Directors.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt; &lt;/p&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31135">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-4951">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same, giving effect to
the fee waiver and expense reimbursement arrangement described above. The Example does not reflect Variable
Contract expenses, fees, and charges. If these expenses, fees, and charges were included, your costs
would be higher. Although your actual costs may be higher or lower, based on these assumptions your costs
would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31136"
      unitRef="usd">101</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31137"
      unitRef="usd">317</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31138"
      unitRef="usd">551</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31139"
      unitRef="usd">1224</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31140">Portfolio
Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-5006">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund pays transaction costs, such as commissions, when it buys and sells
securities (or &#x201c;turns over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher
transaction costs. These costs, which are not reflected in the annual fund operating expenses or in the
example, affect the Fund&#x2019;s performance. During the most recent fiscal year, the Fund&#x2019;s portfolio
turnover rate was 32% of the average value of its portfolio.&lt;/span&gt;</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31141"
      unitRef="pure">0.32</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31142"> PRINCIPAL
INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-5013">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The Fund invests in equity securities of large and mid-sized companies that the
Fund&#x2019;s portfolio management team believes have potential for long-term total return and consistent
increases in their dividends over time resulting from their earnings growth. In particular, the Fund
focuses on large and mid-sized companies that have a ten-year history of dividend issuance and growth,
which represents a narrow investable universe. The Fund may invest in companies of any size, but expects
to invest in companies having a market capitalization at the time of purchase of at least $500 million.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Equity
securities in which the Fund may invest include common stocks, preferred stocks, equity interests in
trusts (including real estate investment trusts (&#x201c;REITs&#x201d;) and privately offered trusts), partnerships,
joint ventures, limited liability companies and vehicles with similar legal structures, other instruments
convertible or exercisable into the foregoing, and other investments with similar economic characteristics.
&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may invest up to 20% of its net assets in securities of foreign companies,
including emerging market companies, American Depositary Receipts (&#x201c;ADRs&#x201d;), Global Depositary Receipts
(&#x201c;GDRs&#x201d;), and other similar depositary receipts. In addition to ADRs, the Fund generally defines
foreign companies as those whose securities are traded primarily on non-U.S. securities exchanges. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may sell a security when the Fund believes the security is less likely to benefit from the current
market and economic environment, or shows signs of deteriorating fundamentals, among other reasons. The
Fund may deviate from the investment strategy described above for temporary defensive purposes.  The
Fund may miss certain investment opportunities if defensive strategies are used and thus may not achieve
its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_PRINCIPALRISKS2_S000007298Summary3Member"
      id="ixv-5019">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x4"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its
performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_RiskLoseMoneyMember_S000007298Summary3Member"
      id="ixv-31143">As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_PortfolioManagementRisk2_S000007298Summary3Member"
      id="ixv-5026">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;Fund may suffer losses or underperform other funds with the
same investment objective or strategies, even in a favorable market.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_InvestmentStrategyRisk2_S000007298Summary3Member"
      id="ixv-5038">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Investment Strategy Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;If the Fund&#x2019;s fundamental
research and quantitative analysis fail to produce the intended result, the Fund may suffer losses or
underperform its benchmark index or other funds with the same investment objective or strategies, even
in a favorable market. In addition, the Fund&#x2019;s strategy of focusing on dividend-paying companies means
the Fund will be more exposed to risks associated with that particular market segment than a fund that
invests more widely.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_MarketRisk2_S000007298Summary3Member"
      id="ixv-5044">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate, sometimes sharply and unpredictably,
based on overall economic conditions, governmental actions or intervention, market disruptions caused
by trade disputes, tariffs or other factors, political developments, and other factors. Prices of equity
securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_EquitySecuritiesRisk2_S000007298Summary3Member"
      id="ixv-5050">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities,
as well as equity-like securities such as convertible debt securities, may experience significant volatility.
Such securities may fall sharply in response to adverse events affecting overall markets, a particular
industry or sector, or an individual company&#x2019;s financial condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_DividendRisk2_S000007298Summary3Member"
      id="ixv-5056">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Dividend Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Securities of dividend-paying companies
that meet the Fund&#x2019;s investment criteria may not be widely available, limiting the Fund&#x2019;s ability
to produce current income and increasing the volatility of the Fund&#x2019;s returns. At times, the performance
of dividend-paying companies may lag the performance of other companies or the broader market as a whole.
In addition, the dividend payments of the Fund&#x2019;s portfolio companies may vary over time, and there
is no guarantee that a company will pay a dividend at all.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_IndustryandSectorRisk2_S000007298Summary3Member"
      id="ixv-5062">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does
not employ an industry or sector focus, its exposure to specific industries or sectors will increase
from time to time based on the portfolio management team&#x2019;s perception of investment opportunities.
If the Fund is overweight in a single industry or sector relative to its benchmark index, the Fund will
face an increased risk that the value of its portfolio will decrease because of events disproportionately
affecting that industry or sector. Furthermore, investments in particular industries or sectors may be
more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_LargeCompanyRisk2_S000007298Summary3Member"
      id="ixv-5068">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:bold; text-decoration:none;"&gt;Large Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Larger, more established
companies may be less able to respond quickly to certain market developments. In addition, larger companies
may have slower rates of growth as compared to successful, but less well-established, smaller companies.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_Mid-SizedCompanyRisk2_S000007298Summary3Member"
      id="ixv-5074">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mid-Sized
Company Risk:&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in mid-sized companies may involve greater risks than investments
in larger, more established companies. Securities of mid-sized companies tend to be more sensitive to
changing economic, &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;market, and industry conditions and tend to be more volatile
and less liquid than equity securities of larger companies, especially over the short term. The securities
of mid-sized companies tend to trade less frequently than those of larger, more established companies,
which can adversely affect the pricing of these securities and the ability to sell these securities in
the future.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_ValueInvestingRisk2_S000007298Summary3Member"
      id="ixv-5086">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Value
Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The prices of value stocks may lag the stock market for long periods of time if
the market fails to recognize the company&#x2019;s intrinsic worth. Value investing also is subject to the
risk that a company judged to be undervalued may actually be appropriately priced or even overpriced.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_GrowthInvestingRisk2_S000007298Summary3Member"
      id="ixv-5092">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Growth
Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Growth stocks typically trade at higher multiples of current earnings as compared
to other stocks, which may lead to inflated prices. Growth stocks often are more sensitive to market
fluctuations than other securities because their market prices are highly sensitive to future earnings
expectations. At times when it appears that these expectations may not be met, prices of growth stocks
typically fall. Growth stocks may be more volatile than securities of slower-growing issuers.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_ForeignandEmergingMarketCompanyRisk2_S000007298Summary3Member"
      id="ixv-5098">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
ADRs, which may be less liquid than the underlying shares in their primary trading market. Foreign securities
also may subject the Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more volatile than other foreign securities, and are subject to greater liquidity, regulatory,
and political risks. Investments in emerging markets may be considered speculative and generally are
riskier than investments in more developed markets. Emerging markets are more likely to experience hyperinflation
and currency devaluations. Securities of emerging market companies may have far lower trading volumes
and less liquidity than securities of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging
market countries, governments participate to a significant degree in their respective economies. Action
by these governments could have a significant adverse effect on market prices of securities and payment
of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic ties to emerging markets may be susceptible to the same
risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_ForeignCurrencyRisk2_S000007298Summary3Member"
      id="ixv-5106">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign Currency Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Investments in securities
that are denominated or receiving revenues in foreign currencies are subject to the risk that those currencies
will decline in value relative to the U.S. dollar, or, in the case of hedged positions, that the U.S.
dollar will decline in value relative to the currency being hedged. Foreign currency exchange rates may
fluctuate significantly over short periods of time.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_LiquidityRedemptionRisk2_S000007298Summary3Member"
      id="ixv-5116">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money when selling securities at inopportune times to fulfill
shareholder redemption requests. The risk of loss may increase depending on the size and frequency of
redemption requests, whether the redemption requests occur in times of overall market turmoil or declining
prices, and whether the securities the Fund intends to sell have decreased in value or are illiquid.
The Fund may be less able to sell illiquid securities at its desired time or price. It may be more difficult
for the Fund to value its investments in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_RiskNotInsuredMember_S000007298Summary3Member"
      id="ixv-31144">An
investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31145">
 PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-5129">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.
Each assumes reinvestment of dividends and distributions. The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future. &lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31147">The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31148">The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-5131">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes
in the performance of the Fund&#x2019;s Class VC shares from calendar year to calendar year. This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31149">This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31150">Bar
Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-5141">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+19.16%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-19.86%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      id="ixv-31151">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      id="ixv-31152">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31153"
      unitRef="pure">0.1916</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      id="ixv-31154">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      id="ixv-31155">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31156"
      unitRef="pure">-0.1986</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-5153">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
table below shows how the Fund&#x2019;s average annual total returns compare to the returns of a securities
market index with investment characteristics similar to those of the Fund.&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31157">Average Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31158"
      unitRef="pure">0.1598</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31159"
      unitRef="pure">0.1234</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31160"
      unitRef="pure">0.1306</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500Index39_S000007298Member_S000007298Summary3Member"
      id="ixv-31161">S&amp;P 500&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500Index39_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31162"
      unitRef="pure">0.1788</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500Index39_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31163"
      unitRef="pure">0.1442</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500Index39_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-31164"
      unitRef="pure">0.1482</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31165">(reflects no deduction for fees, expenses,
or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31166">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31167"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31168">The Fund&#x2019;s investment
objective is long-term growth of capital and income without excessive fluctuations in market value.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31169">
FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-6921">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This table describes the fees and expenses
that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage
commissions and other fees to financial intermediaries, which are not reflected in the table and examples
below. The table does not reflect the fees and expenses of variable annuity contracts or variable life
insurance policies (together, &#x201c;Variable Contracts&#x201d;). If such fees and expenses were reflected, expenses
shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.74%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.45%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.19%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fee
Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;(0.11)%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Total Annual Fund Operating Expenses After
Fee Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.08%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; color:#000000; font-weight:normal; text-decoration:none; vertical-align:super;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;For the period from May 1, 2026 through April
30, 2027, Lord, Abbett &amp;amp; Co. LLC (&#x201c;Lord Abbett&#x201d;) has contractually agreed to waive its fees and
reimburse expenses to the extent necessary to limit total net annual operating expenses, excluding any
acquired fund fees and expenses, interest-related expenses, taxes, expenses related to litigation and
potential litigation, and extraordinary expenses, to an annual rate of 1.08%. This agreement may be terminated
only by the Fund&#x2019;s Board of Directors.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt; &lt;/p&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31170">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-6998">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same, giving effect to
the fee waiver and expense reimbursement arrangement described above. The Example does not reflect Variable
Contract expenses, fees, and charges. If these expenses, fees, and charges were included, your costs
would be higher. Although your actual costs may be higher or lower, based on these assumptions your costs
would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31171"
      unitRef="usd">110</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31172"
      unitRef="usd">367</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31173"
      unitRef="usd">644</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31174"
      unitRef="usd">1433</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31175">Portfolio
Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-7053">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund pays transaction costs, such as commissions, when it buys and sells
securities (or &#x201c;turns over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher
transaction costs. These costs, which are not reflected in the annual fund operating expenses or in the
example, affect the Fund&#x2019;s performance. During the most recent fiscal year, the Fund&#x2019;s portfolio
turnover rate was 74% of the average value of its portfolio.&lt;/span&gt;</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31176"
      unitRef="pure">0.74</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31177"> PRINCIPAL
INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-7060">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The Fund invests in equity securities of U.S. and multinational companies across
all market capitalization ranges that the portfolio management team believes are undervalued by the market
and are selling at reasonable prices in relation to the portfolio management team&#x2019;s assessment of their
potential or intrinsic value. Under normal conditions, the Fund invests at least 80% of its net assets,
plus the amount of any borrowings for investment purposes, in equity securities. The Fund normally invests
at least 50% of its net assets in equity securities of large, established companies having a market capitalization
within the range of companies in the Russell 1000&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#160;Index. The Fund seeks
to invest in securities of companies that the portfolio management team believes are undervalued by the
market and are selling at reasonable prices in relation to the portfolio management team&#x2019;s assessment
of their potential or intrinsic value.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Equity securities in which the Fund may invest
include common stocks, preferred stocks, equity interests in trusts (including real estate investment
trusts (&#x201c;REITs&#x201d;) and privately offered trusts), partnerships, joint ventures, limited liability companies
and vehicles with similar legal structures, other instruments convertible or exercisable into the foregoing,
and other investments with similar economic characteristics. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may invest up
to 20% of its net assets in securities of foreign companies, including emerging market companies, American
Depositary Receipts (&#x201c;ADRs&#x201d;), Global Depositary Receipts (&#x201c;GDRs&#x201d;), and other similar depositary
receipts. In addition to ADRs, the Fund generally defines foreign companies as those whose securities
are traded primarily on non-U.S. securities exchanges. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may engage in
active and frequent trading of its portfolio securities.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may sell a security
when the Fund believes the security is less likely to benefit from the current market and economic environment,
or shows signs of deteriorating fundamentals, among other reasons. The Fund may deviate from the investment
strategy described above for temporary defensive purposes.  The Fund may miss certain investment opportunities
if defensive strategies are used and thus may not achieve its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_PRINCIPALRISKS2_S000007297Summary4Member"
      id="ixv-7070">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x5"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL
RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As with any investment in a mutual fund, investing in the Fund involves risk,
including the risk that you may receive little or no return on your investment. When you redeem your
shares, they may be worth more or less than what you paid for &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;them, which means that you may lose a portion or all of the money you invested
in the Fund. The principal risks of investing in the Fund, which could adversely affect its performance,
include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_RiskLoseMoneyMember_S000007297Summary4Member"
      id="ixv-31178">As with any investment in a mutual fund, investing in the Fund involves risk,
including the risk that you may receive little or no return on your investment. When you redeem your
shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested
in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_PortfolioManagementRisk2_S000007297Summary4Member"
      id="ixv-7083">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_MarketRisk2_S000007297Summary4Member"
      id="ixv-7089">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other factors, political developments, and other
factors. Prices of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_EquitySecuritiesRisk2_S000007297Summary4Member"
      id="ixv-7095">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity
Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities, as well as equity-like securities such as convertible debt
securities, may experience significant volatility. Such securities may fall sharply in response to adverse
events affecting overall markets, a particular industry or sector, or an individual company&#x2019;s financial
condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_IndustryandSectorRisk2_S000007297Summary4Member"
      id="ixv-7101">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry
and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does not employ an industry or sector focus, its exposure to
specific industries or sectors will increase from time to time based on the portfolio management team&#x2019;s
perception of investment opportunities. If the Fund is overweight in a single industry or sector relative
to its benchmark index, the Fund will face an increased risk that the value of its portfolio will decrease
because of events disproportionately affecting that industry or sector. Furthermore, investments in particular
industries or sectors may be more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_LargeCompanyRisk2_S000007297Summary4Member"
      id="ixv-7107">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:bold; text-decoration:none;"&gt;Large Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Larger, more established
companies may be less able to respond quickly to certain market developments. In addition, larger companies
may have slower rates of growth as compared to successful, but less well-established, smaller companies.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_Mid-SizedandSmallCompanyRisk2_S000007297Summary4Member"
      id="ixv-7113">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mid-Sized
and Small Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in mid-sized and small companies may involve greater risks than investments
in larger, more established companies. Securities of mid-sized and small companies tend to be more sensitive
to changing economic, market, and industry conditions and tend to be more volatile and less liquid than
equity securities of larger companies, especially over the short term. The securities of mid-sized and
small companies tend to trade less frequently than those of larger, more established companies, which
can adversely affect the pricing of these securities and the ability to sell these securities in the
future.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_ValueInvestingRisk2_S000007297Summary4Member"
      id="ixv-7119">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Value
Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The prices of value stocks may lag the stock market for long periods of time if
the market fails to recognize the company&#x2019;s intrinsic &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;worth. Value investing also is subject to the risk that a
company judged to be undervalued may actually be appropriately priced or even overpriced.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_ForeignandEmergingMarketCompanyRisk2_S000007297Summary4Member"
      id="ixv-7131">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign
companies and in U.S. companies with economic ties to foreign markets generally involve special risks.
These companies may be more vulnerable to economic, political, and social instability and subject to
less government supervision, lack of transparency, inadequate regulatory and accounting standards, and
foreign taxes. Foreign company securities also include ADRs, which may be less liquid than the underlying
shares in their primary trading market. Foreign securities also may subject the Fund&#x2019;s investments
to changes in currency exchange rates. Emerging market securities generally are more volatile than other
foreign securities, and are subject to greater liquidity, regulatory, and political risks. Investments
in emerging markets may be considered speculative and generally are riskier than investments in more
developed markets. Emerging markets are more likely to experience hyperinflation and currency devaluations.
Securities of emerging market companies may have far lower trading volumes and less liquidity than securities
of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging market countries, governments participate
to a significant degree in their respective economies. Action by these governments could have a significant
adverse effect on market prices of securities and payment of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic
ties to emerging markets may be susceptible to the same risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_LiquidityRedemptionRisk2_S000007297Summary4Member"
      id="ixv-7139">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money when selling securities at inopportune times to fulfill
shareholder redemption requests. The risk of loss may increase depending on the size and frequency of
redemption requests, whether the redemption requests occur in times of overall market turmoil or declining
prices, and whether the securities the Fund intends to sell have decreased in value or are illiquid.
The Fund may be less able to sell illiquid securities at its desired time or price. It may be more difficult
for the Fund to value its investments in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_HighPortfolioTurnoverRisk2_S000007297Summary4Member"
      id="ixv-7145">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High
Portfolio Turnover Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High portfolio turnover may result in increased transaction
costs&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#FF0000; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;and reduced investment performance.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_RiskNotInsuredMember_S000007297Summary4Member"
      id="ixv-31180">An investment in the Fund
is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation
or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31181">
PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-7160">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
bar chart and table below provide some indication of the risks of investing in the Fund by illustrating
the variability of the Fund&#x2019;s returns. Each assumes reinvestment of dividends and distributions. The
Fund&#x2019;s past performance is not necessarily an indication of how the Fund will perform in the future.
&lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31183">The
bar chart and table below provide some indication of the risks of investing in the Fund by illustrating
the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31184">The
Fund&#x2019;s past performance is not necessarily an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-7166">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes in the performance of the Fund&#x2019;s Class VC shares
from calendar year to calendar year. This chart does not reflect the sales charges or other expenses
of Variable Contracts. If those sales charges and expenses were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31185">This chart does not reflect the sales charges or other expenses
of Variable Contracts. If those sales charges and expenses were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31186">Bar Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-7176">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+16.55%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-28.05%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      id="ixv-31187">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      id="ixv-31188">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31189"
      unitRef="pure">0.1655</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      id="ixv-31190">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      id="ixv-31191">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31192"
      unitRef="pure">-0.2805</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-7188">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The table below shows
how the Fund&#x2019;s average annual total returns compare to the returns of securities market indices with
investment characteristics similar to those of the Fund as well as to a broad-based securities market
index.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:9.35pt; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&#160;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The
Fund has adopted the S&amp;amp;P 500&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#160;Index as its broad-based securities market
index.&lt;/span&gt;&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31193">Average
Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31194"
      unitRef="pure">0.1429</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31195"
      unitRef="pure">0.1136</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31196"
      unitRef="pure">0.0975</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member"
      id="ixv-31197">Russell 1000&#xae;
Value Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31198"
      unitRef="pure">0.1591</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31199"
      unitRef="pure">0.1133</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_Russell1000ValueIndex311_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31200"
      unitRef="pure">0.1053</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31201">(reflects no deduction for fees, expenses,
or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member"
      id="ixv-31202">Russell 3000&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31203"
      unitRef="pure">0.1715</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31204"
      unitRef="pure">0.1315</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_Russell3000Index313_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31205"
      unitRef="pure">0.1429</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member"
      id="ixv-31206">Russell 3000&#xae;
Value Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31207"
      unitRef="pure">0.1571</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31208"
      unitRef="pure">0.1118</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_Russell3000ValueIndex315_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31209"
      unitRef="pure">0.1046</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500Index317_S000007297Member_S000007297Summary4Member"
      id="ixv-31210">S&amp;P 500&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500Index317_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31211"
      unitRef="pure">0.1788</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500Index317_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31212"
      unitRef="pure">0.1442</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500Index317_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-31213"
      unitRef="pure">0.1482</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31214">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31215"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31216">The Fund&#x2019;s investment
objective is long-term growth of capital and income without excessive fluctuations in market value.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31217">
FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-8999">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This table describes the fees and expenses
that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage
commissions and other fees to financial intermediaries, which are not reflected in the table and examples
below. The table does not reflect the fees and expenses of variable annuity contracts or variable life
insurance policies (together, &#x201c;Variable Contracts&#x201d;). If such fees and expenses were reflected, expenses
shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.50%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.43%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.93%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="2" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31218">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9052">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same. The Example does
not reflect Variable Contract expenses, fees, and charges. If these expenses, fees, and charges were
included, your costs would be higher. Although your actual costs may be higher or lower, based on these
assumptions your costs would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31219"
      unitRef="usd">95</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31220"
      unitRef="usd">296</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31221"
      unitRef="usd">515</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31222"
      unitRef="usd">1143</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31223">Portfolio Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9103">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns
over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These
costs, which are not reflected in the annual fund operating expenses or in the example, affect the Fund&#x2019;s
performance. During the most recent fiscal year, the Fund&#x2019;s portfolio turnover rate was 38% of the
average value of its portfolio.&lt;/span&gt;
</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31224"
      unitRef="pure">0.38</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31225">
PRINCIPAL INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9114">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; color:#000000; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;The Fund
invests in large, established U.S. and multinational companies that the portfolio management team believes
are undervalued by the market and are selling at reasonable prices in relation &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;to the
portfolio management team&#x2019;s assessment of their potential or intrinsic value&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;. Under
normal conditions, the Fund invests at least 80% of its net assets in equity securities of large companies.
A large company is defined as a company having a market capitalization at the time of purchase that falls
within the market capitalization range of companies in the Russell 1000&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&#160;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;Index.
&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Equity securities in which the Fund may invest include common stocks, preferred
stocks, equity interests in trusts (including real estate investment trusts (&#x201c;REITs&#x201d;) and privately
offered trusts), partnerships, joint ventures, limited liability companies and vehicles with similar
legal structures, other instruments convertible or exercisable into the foregoing, and other investments
with similar economic characteristics.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; color:#000000; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;The Fund may invest up to
20% of its net assets in securities of foreign companies, including emerging market companies, American
Depositary Receipts (&#x201c;ADRs&#x201d;), Global Depositary Receipts (&#x201c;GDRs&#x201d;), and other similar depositary
receipts. In addition to ADRs, the Fund generally defines foreign companies as those whose securities
are traded primarily on non-U.S. securities exchanges&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:normal; text-decoration:none;"&gt;.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; color:#000000; font-weight:normal; text-decoration:none;"&gt;The
Fund may sell a security when the Fund believes the security is less likely to benefit from the current
market and economic environment, or shows signs of deteriorating fundamentals, among other reasons. The
Fund may deviate from the investment strategy described above for temporary defensive purposes.  The
Fund may miss certain investment opportunities if defensive strategies are used and thus may not achieve
its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_PRINCIPALRISKS2_S000007300Summary5Member"
      id="ixv-9127">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x6"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its
performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_RiskLoseMoneyMember_S000007300Summary5Member"
      id="ixv-31226">As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_PortfolioManagementRisk2_S000007300Summary5Member"
      id="ixv-9134">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_MarketRisk2_S000007300Summary5Member"
      id="ixv-9140">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other factors, political developments, and other
factors. Prices of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_EquitySecuritiesRisk2_S000007300Summary5Member"
      id="ixv-9150">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity
Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities, as well as equity-like securities such as convertible debt
securities, may experience significant volatility. Such securities may fall sharply in response to adverse
events affecting overall markets, a particular industry or sector, or an individual company&#x2019;s financial
condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_IndustryandSectorRisk2_S000007300Summary5Member"
      id="ixv-9156">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry
and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does not employ an industry or sector focus, its exposure to
specific industries or sectors will increase from time to time based on the portfolio management team&#x2019;s
perception of investment opportunities. If the Fund is overweight in a single industry or sector relative
to its benchmark index, the Fund will face an increased risk that the value of its portfolio will decrease
because of events disproportionately affecting that industry or sector. Furthermore, investments in particular
industries or sectors may be more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_LargeCompanyRisk2_S000007300Summary5Member"
      id="ixv-9162">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#000000; font-weight:bold; text-decoration:none;"&gt;Large Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Larger, more established
companies may be less able to respond quickly to certain market developments. In addition, larger companies
may have slower rates of growth as compared to successful, but less well-established, smaller companies.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_ValueInvestingRisk2_S000007300Summary5Member"
      id="ixv-9168">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Value
Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The prices of value stocks may lag the stock market for long periods of time if
the market fails to recognize the company&#x2019;s intrinsic worth. Value investing also is subject to the
risk that a company judged to be undervalued may actually be appropriately priced or even overpriced.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_ForeignandEmergingMarketCompanyRisk2_S000007300Summary5Member"
      id="ixv-9174">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
ADRs, which may be less liquid than the underlying shares in their primary trading market. Foreign securities
also may subject the Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more volatile than other foreign securities, and are subject to greater liquidity, regulatory,
and political risks. Investments in emerging markets may be considered speculative and generally are
riskier than investments in more developed markets. Emerging markets are more likely to experience hyperinflation
and currency devaluations. Securities of emerging market companies may have far lower trading volumes
and less liquidity than securities of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging
market countries, governments participate to a significant degree in their respective economies. Action
by these governments could have a significant adverse effect on market prices of securities and payment
of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic ties to emerging markets may be susceptible to the same
risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_RealEstateRisk2_S000007300Summary5Member"
      id="ixv-9186">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Real
Estate Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;An investment in a Real Estate Investment Trust (&#x201c;REIT&#x201d;) generally is subject
to the risks that impact the value of the underlying properties or mortgages of the REIT. These risks
include loss to casualty or condemnation, and changes in supply and demand, interest rates, zoning laws,
regulatory limitations on rents, property taxes, and operating expenses. Other factors that may adversely
affect REITs include poor performance by management of the REIT, changes to the tax laws, or failure
by the REIT to qualify for favorable tax treatment under the Internal Revenue Code of 1986, as amended
(the &#x201c;Code&#x201d;), and changes in local, regional, or general economic conditions.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_LiquidityRedemptionRisk2_S000007300Summary5Member"
      id="ixv-9192">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money
when selling securities at inopportune times to fulfill shareholder redemption requests. The risk of
loss may increase depending on the size and frequency of redemption requests, whether the redemption
requests occur in times of overall market turmoil or declining prices, and whether the securities the
Fund intends to sell have decreased in value or are illiquid. The Fund may be less able to sell illiquid
securities at its desired time or price. It may be more difficult for the Fund to value its investments
in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_RiskNotInsuredMember_S000007300Summary5Member"
      id="ixv-31227">An investment in the Fund
is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation
or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31228">
PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9205">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
bar chart and table below provide some indication of the risks of investing in the Fund by illustrating
the variability of the Fund&#x2019;s returns. Each assumes reinvestment of dividends and distributions. The
Fund&#x2019;s past performance is not necessarily an indication of how the Fund will perform in the future.
&lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31230">The
bar chart and table below provide some indication of the risks of investing in the Fund by illustrating
the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31231">The
Fund&#x2019;s past performance is not necessarily an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9207">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes in the performance of the Fund&#x2019;s Class VC shares
from calendar year to calendar year. This chart does not reflect the sales charges or other expenses
of Variable Contracts. If those sales charges and expenses were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31232">This chart does not reflect the sales charges or other expenses
of Variable Contracts. If those sales charges and expenses were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31233">Bar Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9221">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+16.77%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-27.02%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      id="ixv-31234">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      id="ixv-31235">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31236"
      unitRef="pure">0.1677</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      id="ixv-31237">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      id="ixv-31238">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31239"
      unitRef="pure">-0.2702</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-9233">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
table below shows how the Fund&#x2019;s average annual total returns compare to the returns of securities
market indices with investment characteristics similar to those of the Fund.&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31240">Average Annual Total Returns (for the periods ended December
31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31241"
      unitRef="pure">0.1729</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31242"
      unitRef="pure">0.1334</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31243"
      unitRef="pure">0.1112</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member"
      id="ixv-31244">Russell 1000&#xae;
Value Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31245"
      unitRef="pure">0.1591</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31246"
      unitRef="pure">0.1133</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_Russell1000ValueIndex319_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31247"
      unitRef="pure">0.1053</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31248">(reflects no deduction for fees, expenses,
or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500Index321_S000007300Member_S000007300Summary5Member"
      id="ixv-31249">S&amp;P 500&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500Index321_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31250"
      unitRef="pure">0.1788</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500Index321_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31251"
      unitRef="pure">0.1442</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500Index321_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31252"
      unitRef="pure">0.1482</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member"
      id="ixv-31253">S&amp;P 500&#xae;
Value Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31254"
      unitRef="pure">0.1319</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31255"
      unitRef="pure">0.1296</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500ValueIndex323_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-31256"
      unitRef="pure">0.1173</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31257">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31258"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31259">The Fund&#x2019;s investment
objective is capital appreciation.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31260"> FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11214">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund.
You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which
are not reflected in the table and examples below. The table does not reflect the fees and expenses of
variable annuity contracts or variable life insurance policies (together, &#x201c;Variable Contracts&#x201d;).
If such fees and expenses were reflected, expenses shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.65%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.50%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.15%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="2" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31261">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11267">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same. The Example does
not reflect Variable Contract expenses, fees, and charges. If these expenses, fees, and charges were
included, your costs would be higher. Although your actual costs may be higher or lower, based on these
assumptions your costs would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31262"
      unitRef="usd">117</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31263"
      unitRef="usd">365</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31264"
      unitRef="usd">633</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31265"
      unitRef="usd">1398</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31266">Portfolio Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11318">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns
over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These
costs, which are not reflected in the annual fund operating expenses or in the example, affect the Fund&#x2019;s
performance. During the most recent fiscal year, the Fund&#x2019;s portfolio turnover rate was 135% of the
average value of its portfolio.&lt;/span&gt;
</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31267"
      unitRef="pure">1.35</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31268">
PRINCIPAL INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11329">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund invests in equity
securities of mid-sized companies that the portfolio management team believes demonstrate above-average,
long-term growth potential. Under normal conditions, the Fund invests at least 80% of its net assets,
plus the amount of any borrowings for investment purposes, in equity securities of mid-sized companies.
A mid-sized company is defined as a company having a market capitalization at the time of purchase that
falls within the market capitalization range of companies in the Russell Midcap&lt;sup&gt;&#xae;&lt;/sup&gt; Index. The portfolio
management team seeks to invest in the stocks of companies with strong business models, management, and
competitive positions that are targeting markets that appear most likely to benefit from increased innovation.
The team believes these companies possess revenue and earnings growth potential that can exceed market
expectations.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Equity securities in which the Fund may invest include common stocks, preferred
stocks, equity interests in trusts (including real estate investment trusts (&#x201c;REITs&#x201d;) and privately
offered trusts), partnerships, joint ventures, limited liability companies and vehicles with similar
legal structures, other instruments convertible or exercisable into the foregoing, and other investments
with similar economic characteristics.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may invest up to 20% of its net
assets in securities of foreign companies, including emerging market companies, American Depositary Receipts
(&#x201c;ADRs&#x201d;), Global Depositary Receipts (&#x201c;GDRs&#x201d;), and other similar depositary receipts. In addition
to ADRs, the Fund generally defines foreign companies as those whose securities are traded primarily
on non-U.S. securities exchanges.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may engage in active and frequent
trading of its portfolio securities.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may sell a security when the Fund
believes the security is less likely to benefit from the current market and economic environment, or
shows signs of deteriorating fundamentals, among other reasons. The Fund may deviate from the investment
strategy described above for temporary defensive purposes. The Fund may miss certain investment opportunities
if defensive strategies are used and thus may not achieve its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_PRINCIPALRISKS2_S000007301Summary6Member"
      id="ixv-11336">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x7"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL
RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As with any investment in a mutual fund, investing in the Fund involves risk,
including the risk that you may receive little or no return on your investment. When you redeem your
shares, they may be worth more or less than what you paid for them, which means that you may lose a portion
or all of the money you invested in the Fund. The principal risks of investing in the Fund, which could
adversely affect its performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_RiskLoseMoneyMember_S000007301Summary6Member"
      id="ixv-31269">As with any investment in a mutual fund, investing in the Fund involves risk,
including the risk that you may receive little or no return on your investment. When you redeem your
shares, they may be worth more or less than what you paid for them, which means that you may lose a portion
or all of the money you invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_PortfolioManagementRisk2_S000007301Summary6Member"
      id="ixv-11343">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_MarketRisk2_S000007301Summary6Member"
      id="ixv-11353">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate, sometimes sharply and unpredictably,
based on overall economic conditions, governmental actions or intervention, market disruptions caused
by trade disputes, tariffs or other factors, political developments, and other factors. Prices of equity
securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_EquitySecuritiesRisk2_S000007301Summary6Member"
      id="ixv-11359">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities,
as well as equity-like securities such as convertible debt securities, may experience significant volatility.
Such securities may fall sharply in response to adverse events affecting overall markets, a particular
industry or sector, or an individual company&#x2019;s financial condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_IndustryandSectorRisk2_S000007301Summary6Member"
      id="ixv-11365">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does
not employ an industry or sector focus, its exposure to specific industries or sectors will increase
from time to time based on the portfolio management team&#x2019;s perception of investment opportunities.
If the Fund is overweight in a single industry or sector relative to its benchmark index, the Fund will
face an increased risk that the value of its portfolio will decrease because of events disproportionately
affecting that industry or sector. Furthermore, investments in particular industries or sectors may be
more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_Mid-SizedCompanyRisk2_S000007301Summary6Member"
      id="ixv-11371">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mid-Sized Company Risk:&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in mid-sized
companies may involve greater risks than investments in larger, more established companies. Securities
of mid-sized companies tend to be more sensitive to changing economic, market, and industry conditions
and tend to be more volatile and less liquid than equity securities of larger companies, especially over
the short term. The securities of mid-sized companies tend to trade less frequently than those of larger,
more established companies, which can adversely affect the pricing of these securities and the ability
to sell these securities in the future.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_GrowthInvestingRisk2_S000007301Summary6Member"
      id="ixv-11377">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Growth
Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Growth stocks typically trade at higher multiples of current earnings as compared
to other stocks, which may lead to inflated prices. Growth stocks often are more sensitive to market
fluctuations than other securities because their market prices are highly sensitive to future earnings
expectations. At times when it appears that these expectations may not be met, prices of growth stocks
typically fall. Growth stocks may be more volatile than securities of slower-growing issuers.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_ForeignandEmergingMarketCompanyRisk2_S000007301Summary6Member"
      id="ixv-11383">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
ADRs, which may be less liquid than the underlying shares in their primary trading market. Foreign securities
also may subject the Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;volatile than other foreign securities, and are subject to greater liquidity,
regulatory, and political risks. Investments in emerging markets may be considered speculative and generally
are riskier than investments in more developed markets. Emerging markets are more likely to experience
hyperinflation and currency devaluations. Securities of emerging market companies may have far lower
trading volumes and less liquidity than securities of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging
market countries, governments participate to a significant degree in their respective economies. Action
by these governments could have a significant adverse effect on market prices of securities and payment
of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic ties to emerging markets may be susceptible to the same
risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_ForeignCurrencyRisk2_S000007301Summary6Member"
      id="ixv-11398">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign Currency Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Investments in securities
that are denominated or receiving revenues in foreign currencies are subject to the risk that those currencies
will decline in value relative to the U.S. dollar, or, in the case of hedged positions, that the U.S.
dollar will decline in value relative to the currency being hedged. Foreign currency exchange rates may
fluctuate significantly over short periods of time.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_RealEstateRisk2_S000007301Summary6Member"
      id="ixv-11404">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Real Estate Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;An investment in a REIT generally is subject
to the risks that impact the value of the underlying properties or mortgages of the REIT. These risks
include loss to casualty or condemnation, and changes in supply and demand, interest rates, zoning laws,
regulatory limitations on rents, property taxes, and operating expenses. Other factors that may adversely
affect REITs include poor performance by management of the REIT, changes to the tax laws, or failure
by the REIT to qualify for favorable tax treatment under the Internal Revenue Code of 1986, as amended
(the &#x201c;Code&#x201d;), and changes in local, regional, or general economic conditions.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_LiquidityRedemptionRisk2_S000007301Summary6Member"
      id="ixv-11410">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money
when selling securities at inopportune times to fulfill shareholder redemption requests. The risk of
loss may increase depending on the size and frequency of redemption requests, whether the redemption
requests occur in times of overall market turmoil or declining prices, and whether the securities the
Fund intends to sell have decreased in value or are illiquid. The Fund may be less able to sell illiquid
securities at its desired time or price. It may be more difficult for the Fund to value its investments
in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_HighPortfolioTurnoverRisk2_S000007301Summary6Member"
      id="ixv-11416">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High Portfolio Turnover Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High portfolio turnover
may result in increased transaction costs&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#FF0000; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;and reduced investment performance.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_RiskNotInsuredMember_S000007301Summary6Member"
      id="ixv-31270">An
investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31271">
 PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11435">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.
Each assumes reinvestment of dividends and distributions. The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future. &lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31273">The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31274">The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11437">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes
in the performance of the Fund&#x2019;s Class VC shares from calendar year to calendar year. This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31275">This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31276">Bar
Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11447">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+31.83%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-19.89%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      id="ixv-31277">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      id="ixv-31278">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31279"
      unitRef="pure">0.3183</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      id="ixv-31280">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      id="ixv-31281">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31282"
      unitRef="pure">-0.1989</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-11459">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The table below shows
how the Fund&#x2019;s average annual total returns compare to the returns of securities market indices with
investment characteristics similar to those of the Fund as well as to a broad-based securities market
index.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:9.35pt; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1 &lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The
Fund has adopted the S&amp;amp;P 500&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Index as its broad-based securities market
index.&lt;/span&gt;&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31283">Average Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31284"
      unitRef="pure">0.1294</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31285"
      unitRef="pure">0.0323</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31286"
      unitRef="pure">0.1041</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member"
      id="ixv-31287">Russell Midcap&#xae;
Growth Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31288"
      unitRef="pure">0.0866</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31289"
      unitRef="pure">0.0665</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_RussellMidcapGrowthIndex325_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31290"
      unitRef="pure">0.1249</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31291">(reflects no deduction for fees, expenses,
or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member"
      id="ixv-31292">Russell Midcap&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31293"
      unitRef="pure">0.1060</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31294"
      unitRef="pure">0.0867</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_RussellMidcapIndex327_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31295"
      unitRef="pure">0.1101</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500Index329_S000007301Member_S000007301Summary6Member"
      id="ixv-31296">S&amp;P 500&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500Index329_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31297"
      unitRef="pure">0.1788</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500Index329_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31298"
      unitRef="pure">0.1442</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500Index329_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-31299"
      unitRef="pure">0.1482</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31300">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31301"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31302">The Fund seeks capital
appreciation through investments, primarily in equity securities, which are believed to be undervalued
in the marketplace.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31303"> FEES AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13335">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This table describes the
fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees,
such as brokerage commissions and other fees to financial intermediaries, which are not reflected in
the table and examples below. The table does not reflect the fees and expenses of variable annuity contracts
or variable life insurance policies (together, &#x201c;Variable Contracts&#x201d;). If such fees and expenses were
reflected, expenses shown would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.73%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.42%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;1.15%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="2" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31304">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13388">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same. The Example does
not reflect Variable Contract expenses, fees, and charges. If these expenses, fees, and charges were
included, your costs would be higher. Although your actual costs may be higher or lower, based on these
assumptions your costs would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31305"
      unitRef="usd">117</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31306"
      unitRef="usd">365</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31307"
      unitRef="usd">633</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31308"
      unitRef="usd">1398</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31309">Portfolio Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13439">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns
over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These
costs, which are not reflected in the annual fund operating expenses or in the example, affect the Fund&#x2019;s
performance. During the most recent fiscal year, the Fund&#x2019;s portfolio turnover rate was 45% of the
average value of its portfolio.&lt;/span&gt;
</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31310"
      unitRef="pure">0.45</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31311">
PRINCIPAL INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13450">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Under normal conditions, the Fund invests
at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in equity
securities of mid-sized companies. A mid-sized company is defined as a company having a market capitalization
at the time of purchase that falls within the market capitalization range of companies in the Russell
Midcap&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#160;Index. The Fund seeks to invest in securities of companies
that the portfolio management team believes are undervalued by the market and are selling at reasonable
prices in relation to the portfolio management team&#x2019;s assessment of their potential or intrinsic value.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Equity
securities in which the Fund may invest include common stocks, preferred stocks, equity interests in
trusts (including real estate investment trusts (&#x201c;REITs&#x201d;) and privately offered trusts), partnerships,
joint ventures, limited liability companies and vehicles with similar legal structures, other instruments
convertible or exercisable into the foregoing, and other investments with similar economic characteristics.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may invest up to 20% of its net assets in securities of foreign companies, including emerging market
companies, American Depositary Receipts (&#x201c;ADRs&#x201d;), Global Depositary Receipts (&#x201c;GDRs&#x201d;), and other
similar depositary receipts. In addition to ADRs, the Fund generally defines foreign companies as those
whose securities are traded primarily on non-U.S. securities exchanges. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may sell a security when the Fund believes the security is less likely to benefit from the current
market and economic environment, or shows signs of deteriorating fundamentals, among other reasons. The
Fund may deviate from the investment strategy described above for temporary defensive purposes.  The
Fund may miss certain investment opportunities if defensive strategies are used and thus may not achieve
its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_PRINCIPALRISKS2_S000007304Summary7Member"
      id="ixv-13459">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x8"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its
performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_RiskLoseMoneyMember_S000007304Summary7Member"
      id="ixv-31312">As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_PortfolioManagementRisk2_S000007304Summary7Member"
      id="ixv-13466">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_MarketRisk2_S000007304Summary7Member"
      id="ixv-13472">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;factors, political developments, and other factors. Prices
of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_EquitySecuritiesRisk2_S000007304Summary7Member"
      id="ixv-13484">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Equity Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Equity securities,
as well as equity-like securities such as convertible debt securities, may experience significant volatility.
Such securities may fall sharply in response to adverse events affecting overall markets, a particular
industry or sector, or an individual company&#x2019;s financial condition. &lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_IndustryandSectorRisk2_S000007304Summary7Member"
      id="ixv-13490">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Industry and Sector Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Although the Fund does
not employ an industry or sector focus, its exposure to specific industries or sectors will increase
from time to time based on the portfolio management team&#x2019;s perception of investment opportunities.
If the Fund is overweight in a single industry or sector relative to its benchmark index, the Fund will
face an increased risk that the value of its portfolio will decrease because of events disproportionately
affecting that industry or sector. Furthermore, investments in particular industries or sectors may be
more volatile than the broader market as a whole.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_Mid-SizedCompanyRisk2_S000007304Summary7Member"
      id="ixv-13496">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mid-Sized Company Risk:&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in mid-sized
companies may involve greater risks than investments in larger, more established companies. Securities
of mid-sized companies tend to be more sensitive to changing economic, market, and industry conditions
and tend to be more volatile and less liquid than equity securities of larger companies, especially over
the short term. The securities of mid-sized companies tend to trade less frequently than those of larger,
more established companies, which can adversely affect the pricing of these securities and the ability
to sell these securities in the future.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_ValueInvestingRisk2_S000007304Summary7Member"
      id="ixv-13502">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Value
Investing Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The prices of value stocks may lag the stock market for long periods of time if
the market fails to recognize the company&#x2019;s intrinsic worth. Value investing also is subject to the
risk that a company judged to be undervalued may actually be appropriately priced or even overpriced.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_ForeignandEmergingMarketCompanyRisk2_S000007304Summary7Member"
      id="ixv-13508">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
ADRs, which may be less liquid than the underlying shares in their primary trading market. Foreign securities
also may subject the Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more volatile than other foreign securities, and are subject to greater liquidity, regulatory,
and political risks. Investments in emerging markets may be considered speculative and generally are
riskier than investments in more developed markets. Emerging markets are more likely to experience hyperinflation
and currency devaluations. Securities of emerging market companies may have far lower trading volumes
and less liquidity than securities &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging market countries, governments
participate to a significant degree in their respective economies. Action by these governments could
have a significant adverse effect on market prices of securities and payment of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
Companies with economic ties to emerging markets may be susceptible to the same risks as companies organized
in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_RealEstateRisk2_S000007304Summary7Member"
      id="ixv-13523">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Real
Estate Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;An investment in a REIT generally is subject to the risks that impact the value
of the underlying properties or mortgages of the REIT. These risks include loss to casualty or condemnation,
and changes in supply and demand, interest rates, zoning laws, regulatory limitations on rents, property
taxes, and operating expenses. Other factors that may adversely affect REITs include poor performance
by management of the REIT, changes to the tax laws, or failure by the REIT to qualify for favorable tax
treatment under the Internal Revenue Code of 1986, as amended (the &#x201c;Code&#x201d;), and changes in local,
regional, or general economic conditions.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_LiquidityRedemptionRisk2_S000007304Summary7Member"
      id="ixv-13529">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money when selling securities at inopportune times to fulfill
shareholder redemption requests. The risk of loss may increase depending on the size and frequency of
redemption requests, whether the redemption requests occur in times of overall market turmoil or declining
prices, and whether the securities the Fund intends to sell have decreased in value or are illiquid.
The Fund may be less able to sell illiquid securities at its desired time or price. It may be more difficult
for the Fund to value its investments in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_RiskNotInsuredMember_S000007304Summary7Member"
      id="ixv-31313">An
investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31314">
 PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13542">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.
Each assumes reinvestment of dividends and distributions. The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future. &lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31316">The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31317">The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13544">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes
in the performance of the Fund&#x2019;s Class VC shares from calendar year to calendar year. This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31318">This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31319">Bar Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13558">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;4th Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+22.82%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-30.54%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      id="ixv-31320">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      id="ixv-31321">2020-12-31</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31322"
      unitRef="pure">0.2282</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      id="ixv-31323">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      id="ixv-31324">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31325"
      unitRef="pure">-0.3054</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-13570">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The table below shows
how the Fund&#x2019;s average annual total returns compare to the returns of securities market indices with
investment characteristics similar to those of the Fund as well as to a broad-based securities market
index.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:9.35pt; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund has adopted the S&amp;amp;P 500&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Index as its broad-based securities market
index.&lt;/span&gt;&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31326">Average
Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31327"
      unitRef="pure">0.0705</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31328"
      unitRef="pure">0.1016</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31329"
      unitRef="pure">0.0798</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member"
      id="ixv-31330">Russell Midcap&#xae;
Value Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31331"
      unitRef="pure">0.1105</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31332"
      unitRef="pure">0.0983</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_RussellMidcapValueIndex331_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31333"
      unitRef="pure">0.0978</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31334">(reflects no deduction for fees, expenses,
or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member"
      id="ixv-31335">S&amp;P MidCap 400&#xae; Value Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31336"
      unitRef="pure">0.0758</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31337"
      unitRef="pure">0.1101</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SPMidCap400ValueIndex333_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31338"
      unitRef="pure">0.1069</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_SP500Index335_S000007304Member_S000007304Summary7Member"
      id="ixv-31339">S&amp;P 500&#xae;
Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_SP500Index335_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31340"
      unitRef="pure">0.1788</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_SP500Index335_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31341"
      unitRef="pure">0.1442</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_SP500Index335_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-31342"
      unitRef="pure">0.1482</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31343">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31344">  INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31346">The Fund&#x2019;s investment
objective is to seek a high level of income consistent with preservation of capital.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31347"> FEES
AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15516">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This table describes the fees and expenses that you may pay
if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions
and other fees to financial intermediaries, which are not reflected in the table and examples below.
The table does not reflect the fees and expenses of variable annuity contracts or variable life insurance
policies (together, &#x201c;Variable Contracts&#x201d;). If such fees and expenses were reflected, expenses shown
would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:70.86%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:13.8%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:13.8%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt; &#160;I&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.35%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.35%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.24%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.49%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.59%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.84%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fee
Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;(0.12)%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;(0.12)%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Total Annual Fund Operating Expenses After
Fee Waiver and/or Expense Reimbursement&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.47%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.72%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; color:#000000; font-weight:normal; text-decoration:none; vertical-align:super;"&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;For the period from May 1, 2026 through April
30, 2027, Lord, Abbett &amp;amp; Co. LLC (&#x201c;Lord Abbett&#x201d;) has contractually agreed to waive its fees and
reimburse expenses to the extent necessary to limit total net annual operating expenses, excluding any
acquired fund fees and expenses, interest-related expenses, taxes, expenses related to litigation and
potential litigation, and extraordinary expenses, to an annual rate of 0.47% for Class I and 0.72% for
Class VC. This agreement may be terminated only by the Fund&#x2019;s Board of Directors.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31348">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15605">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same, giving effect to
the fee waiver and expense reimbursement arrangement described above. The Example does not reflect Variable
Contract expenses, fees, and charges. If these expenses, fees, and charges were included, your costs
would be higher. Although your actual costs may be higher or lower, based on these assumptions your costs
would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000272081Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31349"
      unitRef="usd">48</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000272081Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31350"
      unitRef="usd">177</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000272081Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31351"
      unitRef="usd">317</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000272081Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31352"
      unitRef="usd">726</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31353"
      unitRef="usd">74</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31354"
      unitRef="usd">256</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31355"
      unitRef="usd">454</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31356"
      unitRef="usd">1026</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31357">Portfolio Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15681">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns
over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These
costs, which are not reflected in the annual fund operating expenses or in the example, affect the Fund&#x2019;s
performance. During the most recent fiscal year, the Fund&#x2019;s portfolio turnover rate was 153% of the
average value of its portfolio.&lt;/span&gt;</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31358"
      unitRef="pure">1.53</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31359"> PRINCIPAL INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15688">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund invests in various types of short duration debt (or fixed income) securities. Under normal conditions,
the Fund pursues its investment objective by investing at least 65% of its net assets in investment grade
debt securities of various types. Such investments include:&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;corporate debt securities of U.S. issuers;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;corporate debt securities of non-U.S. (including emerging
market) issuers that are denominated in U.S. dollars;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;mortgage-backed, mortgage-related, and other asset-backed
securities, including privately issued mortgage-related securities and commercial mortgage-backed securities
(&#x201c;CMBS&#x201d;);&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;securities
issued or guaranteed by the U.S. Government, its agencies and instrumentalities; and&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;inflation-linked investments.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may invest in Treasury Inflation Protected Securities (&#x201c;TIPS&#x201d;), which are U.S. Government bonds
whose principal automatically is adjusted for inflation as measured by the Consumer Price Index for All
Urban Consumers (&#x201c;CPI-U&#x201d;), and other inflation-indexed securities issued by the U.S. Department of
Treasury.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may invest up to 35% of its net assets in any one or a combination of
the following types of fixed income securities and other instruments:&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;high-yield debt securities (commonly referred to as &#x201c;lower-rated&#x201d;
or &#x201c;junk&#x201d; bonds);&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;debt
securities of non-U.S. (including emerging market) issuers that are denominated in foreign currencies;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;loans,
including bridge loans, novations, assignments, and participations; &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;convertible securities, including convertible bonds and preferred
stocks; and&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;structured
securities and other hybrid instruments, including collateralized loan obligations (&#x201c;CLOs&#x201d;). &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The
Fund will not invest more than 25% of its total assets in any industry (excluding securities of the U.S.
Government, its agencies and instrumentalities); however, the Fund does not consider mortgage-related
securities, including CMBS and other privately issued mortgage-related securities, as representing interests
in any particular industry or group of industries.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:TimesNewRoman; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The Fund may invest
substantially in CMBS, including lower-rated CMBS.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund seeks to manage
interest rate risk through its management of the average duration of the securities it holds in its portfolio.
Under normal conditions, the Fund will maintain its average dollar-weighted duration range between one
and three years. The duration of a security takes into account the pattern of all expected payments of
interest and principal on the security over time, including how these payments are affected by changes
in interest rates.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may use derivatives to hedge against risk or to gain
investment exposure. Currently, the Fund expects to invest in derivatives consisting principally of futures,
forwards, options, and swaps. The Fund may use derivatives to seek to enhance returns, to attempt to
hedge some of its investment risk, to manage portfolio duration, as a substitute for holding the underlying
asset on which the derivative instrument is based, or for cash management purposes. For example, the
Fund may invest in or sell short U.S. Treasury futures, securities index futures, other futures, and/or
currency forwards to adjust the Fund&#x2019;s exposure to the direction of interest rates, or for other portfolio
management reasons.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The portfolio management team buys and sells securities using
a relative value-oriented investment process, meaning the portfolio management team generally seeks more
investment exposure to securities believed to be undervalued and less investment exposure to securities
believed to be overvalued. The portfolio management team combines top-down and bottom-up analysis to
construct its portfolio, using a blend of quantitative and fundamental research. As part of its top-down
analysis, the portfolio management team evaluates global economic conditions, including monetary, fiscal,
and regulatory policy, as well as the political and geopolitical environment, in order to identify and
assess opportunities and risks across different segments of the fixed income market. The portfolio management
team employs bottom-up analysis to identify and select securities for investment by the Fund based on
in-depth company, industry, and market research and analysis. The portfolio management team may actively
rotate sector exposure based on its assessment of relative value. The Fund may engage in active and frequent
trading of its portfolio securities.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may sell a security when the Fund
believes the security is less likely to benefit from the current market and economic environment, or
shows signs of deteriorating fundamentals, among other reasons. The Fund may deviate from the investment
strategy described above for temporary defensive purposes. The Fund &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;may miss certain investment opportunities if defensive strategies are used and
thus may not achieve its investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:StrategyPortfolioConcentration
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31360">The
Fund will not invest more than 25% of its total assets in any industry (excluding securities of the U.S.
Government, its agencies and instrumentalities); however, the Fund does not consider mortgage-related
securities, including CMBS and other privately issued mortgage-related securities, as representing interests
in any particular industry or group of industries. The Fund may invest
substantially in CMBS, including lower-rated CMBS.</oef:StrategyPortfolioConcentration>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_PRINCIPALRISKS2_S000045029Summary8Member"
      id="ixv-15752">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x9"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its
performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_RiskLoseMoneyMember_S000045029Summary8Member"
      id="ixv-31362">As
with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you
may receive little or no return on your investment. When you redeem your shares, they may be worth more
or less than what you paid for them, which means that you may lose a portion or all of the money you
invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_PortfolioManagementRisk2_S000045029Summary8Member"
      id="ixv-15759">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_MarketRisk2_S000045029Summary8Member"
      id="ixv-15765">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other factors, political developments, and other
factors. Prices of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_FixedIncomeSecuritiesRisk2_S000045029Summary8Member"
      id="ixv-15771">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Fixed
Income Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund is subject to the general risks and considerations associated with investing
in debt securities, including the risk that issuers will fail to make timely payments of principal or
interest or default altogether. Lower-rated securities in which the Fund may invest may be more volatile
and may decline more in price in response to negative issuer developments or general economic news due
to their increased credit risk relative to other fixed-income investments. In addition, as interest rates
rise, the Fund&#x2019;s investments typically will lose value. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fiscal, economic, monetary, or other governmental
policies or&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;measures have in the past&#x2014;and may in the future&#x2014;cause or exacerbate&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;interest
rate risks.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_ForeignCurrencyRisk2_S000045029Summary8Member"
      id="ixv-15782">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
Currency Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Investments in securities that are denominated or receiving revenues in foreign
currencies are subject to the risk that those currencies will decline in value relative to the U.S. dollar,
or, in the case of hedged positions, that the U.S. dollar will decline in value relative to the currency
being hedged. Foreign currency exchange rates may fluctuate significantly over short periods of time.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_HighYieldSecuritiesRisk2_S000045029Summary8Member"
      id="ixv-15788">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High
Yield Securities Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High yield securities (commonly referred to as &#x201c;junk&#x201d; bonds) typically pay
a higher yield than investment grade securities, but may have greater price fluctuations and have a higher
risk of default than investment grade securities. The market for high yield securities may be less liquid
due to such factors as interest rate sensitivity, negative perceptions of the junk bond markets generally,
and less secondary market liquidity. This may make such securities more difficult to sell at an acceptable
price, especially &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;during periods of financial distress, increased market volatility,
or significant market decline.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_CreditRisk2_S000045029Summary8Member"
      id="ixv-15800">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Credit
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Debt securities are subject to the risk that the issuer or guarantor of a security
may not make interest and principal payments as they become due or may default altogether. In addition,
if the market perceives a deterioration in the creditworthiness of an issuer, the value and liquidity
of securities issued by that issuer may decline. To the extent that the Fund holds below investment grade
securities, these risks may be heightened. Insured debt securities have the credit risk of the insurer
in addition to the credit risk of the underlying investment being insured.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_InterestRateRisk2_S000045029Summary8Member"
      id="ixv-15806">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Interest Rate Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; As interest rates rise, prices of bonds
(including tax-exempt bonds) generally fall, typically causing the Fund&#x2019;s investments to lose value.
Additionally, rising interest rates or lack of market participants may lead to decreased liquidity in
fixed income markets. Interest rate changes generally have a more pronounced effect on the market value
of fixed-rate instruments, such as corporate bonds, than they have on floating rate instruments, and
typically have a greater effect on the price of fixed income securities with longer durations. A wide
variety of market factors can cause interest rates to rise, including central bank monetary policy, rising
inflation, and changes in general economic conditions.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_LiquidityRedemptionRisk2_S000045029Summary8Member"
      id="ixv-15812">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money
when selling securities at inopportune times to fulfill shareholder redemption requests. The risk of
loss may increase depending on the size and frequency of redemption requests, whether the redemption
requests occur in times of overall market turmoil or declining prices, and whether the securities the
Fund intends to sell have decreased in value or are illiquid. The Fund may be less able to sell illiquid
securities at its desired time or price. It may be more difficult for the Fund to value its investments
in illiquid securities than more liquid securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_GovernmentSecuritiesRisk2_S000045029Summary8Member"
      id="ixv-15818">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Government Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund invests in
securities issued or guaranteed by the U.S. Government or its agencies and instrumentalities (such as
the Government National Mortgage Association (&#x201c;Ginnie Mae&#x201d;), the Federal National Mortgage Association
(&#x201c;Fannie Mae&#x201d;), or the Federal Home Loan Mortgage Corporation (&#x201c;Freddie Mac&#x201d;)). Different types
of U.S. government securities are subject to different levels of credit risk, including the risk of default,
depending on the nature of the particular government support for that security. Unlike Ginnie Mae securities,
securities issued or guaranteed by U.S. Government-related organizations, such as Fannie Mae and Freddie
Mac, are not backed by the full faith and credit of the U.S. Government and no assurance can be given
that the U.S. Government would provide financial support. Past long-term U.S. credit rating downgrades
have introduced greater uncertainty about the ability of the United States to repay its obligations.
The value of the Fund&#x2019;s shares may be adversely affected by any future rating agency downgrades.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2_S000045029Summary8Member"
      id="ixv-15828">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mortgage-Related
and Other Asset-Backed Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Mortgage-related securities, including commercial mortgage-backed
securities (&#x201c;CMBS&#x201d;) and other privately issued mortgage-related securities, and other asset-backed
securities may be particularly sensitive to changes in prevailing interest rates and economic conditions,
including delinquencies and defaults.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#00B050; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The prices of mortgage-related and other
asset-backed securities, depending on their structure and the rate of payments, can be volatile. They
are subject to prepayment risk (higher than expected prepayment rates of mortgage obligations due to
a fall in market interest rates) and extension risk (lower than expected prepayment rates of mortgage
obligations due to a rise in market interest rates). These risks increase the Fund&#x2019;s overall interest
rate risk. Some mortgage-related securities receive government or private support, but there is no assurance
that such support will remain in place.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_CommercialMortgage-BackedSecuritiesRisk2_S000045029Summary8Member"
      id="ixv-15836">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Commercial
Mortgage-Backed Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; CMBS include securities that reflect an interest in, and
are secured by, mortgage loans on commercial real property. Many of the risks of investing in CMBS reflect
the risks of investing in the real estate securing the underlying mortgage loans. These risks reflect
the effects of local and other economic conditions on real estate markets, the ability of tenants to
make loan payments, and the ability of a property to attract and retain tenants. The economic impacts
of COVID-19 have created a unique challenge for real estate markets, with the transition to remote-working
environments potentially negatively impacting the occupancy rates of commercial real estate. CMBS may
be less liquid and exhibit greater price volatility than other types of mortgage- or asset-backed securities.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_ConvertibleSecuritiesRisk2_S000045029Summary8Member"
      id="ixv-15842">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Convertible
Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Convertible securities are subject to the risks affecting both equity and fixed
income securities, including market, credit, liquidity, and interest rate risk. Convertible securities
tend to be more volatile than other fixed income securities, and the markets for convertible securities
may be less liquid than markets for common stocks or bonds. A significant portion of convertible securities
have below investment grade credit ratings and are subject to increased credit and liquidity risks.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_Inflation-LinkedInvestmentsRisk2_S000045029Summary8Member"
      id="ixv-15848">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Inflation-Linked
Investments Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Unlike traditional fixed income securities, the principal and interest payments
of inflation-linked investments are adjusted periodically based on the inflation rate. The value of the
Fund&#x2019;s inflation-linked investments may be vulnerable to changes in expectations of inflation or interest
rates and there is no guarantee that the Fund&#x2019;s use of these instruments will be successful.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_ForeignandEmergingMarketCompanyRisk2_S000045029Summary8Member"
      id="ixv-15854">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign
and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign companies and in U.S. companies with
economic ties to foreign markets generally involve special risks. These companies may be more vulnerable
to economic, political, and social instability and subject to less government supervision, lack of transparency,
inadequate regulatory and accounting standards, and foreign taxes. Foreign company securities also include
American &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Depositary Receipts (&#x201c;ADRs&#x201d;), which may be less liquid than the underlying
shares in their primary trading market. Foreign securities also may subject the Fund&#x2019;s investments
to changes in currency exchange rates. Emerging market securities generally are more volatile than other
foreign securities, and are subject to greater liquidity, regulatory, and political risks. Investments
in emerging markets may be considered speculative and generally are riskier than investments in more
developed markets. Emerging markets are more likely to experience hyperinflation and currency devaluations.
Securities of emerging market companies may have far lower trading volumes and less liquidity than securities
of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging market countries, governments participate
to a significant degree in their respective economies. Action by these governments could have a significant
adverse effect on market prices of securities and payment of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic
ties to emerging markets may be susceptible to the same risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_LoanRisk2_S000045029Summary8Member"
      id="ixv-15869">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Loan
Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in floating or adjustable rate loans are subject to increased credit
and liquidity risks. Loan prices also may be adversely affected by supply-demand imbalances caused by
conditions in the loan market or related markets. Below investment grade loans, like high-yield debt
securities, or junk bonds, usually are more credit sensitive than interest rate sensitive, although the
value of these instruments may be affected by interest rate swings in the overall fixed income market.
Loans may be subject to structural subordination and&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#0000FF; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;may be subordinated
to other obligations of the borrower or its subsidiaries.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2_S000045029Summary8Member"
      id="ixv-15877">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Collateralized Loan Obligations and Other Collateralized Obligations
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;  An investment in a CLO can be viewed as investing in (or through) another investment
adviser and is subject to the layering of fees associated with such an investment. The risks of investing
in a CLO generally can be summarized as a combination of economic risks of the underlying loans combined
with the risks associated with the CLO structure governing the priority of payments, and include interest
rate risk, credit risk, liquidity risk, prepayment risk, and the risk of default of the underlying asset,
among others.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_DerivativesRisk2_S000045029Summary8Member"
      id="ixv-15883">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Derivatives
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The risks associated with derivatives may be different from and greater than
the risks associated with directly investing in securities and other investments. Derivatives may increase
the Fund&#x2019;s volatility and reduce its returns. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Derivatives may not perform as expected
and the Fund may not realize the intended benefits. Whether the Fund&#x2019;s use of derivatives is successful
may depend on, among other things, the portfolio managers&#x2019; ability to correctly forecast market movements,
company and industry valuation levels and trends, changes in foreign exchange and interest rates, and
other factors. If the portfolio managers incorrectly forecast these and other factors, the Fund&#x2019;s performance
could suffer. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Derivatives are also subject to liquidity risk and the risk that the&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;counterparty
to a derivative transaction may fail to fulfill its contractual&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;obligations under the derivative contract. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In addition, given their
complexity, derivatives are subject to the risk that improper or misunderstood documentation may expose
the Fund to losses.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_RiskNotInsuredMember_S000045029Summary8Member"
      id="ixv-31363">An investment in the Fund is not a deposit of any bank and
is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31364">  PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15909">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
bar chart and table below provide some indication of the risks of investing in the Fund by illustrating
the variability of the Fund&#x2019;s returns. Each assumes reinvestment of dividends and distributions. The
Fund&#x2019;s past performance is not necessarily an indication of how the Fund will perform in the future.
No performance is shown for Class I shares because this class has not completed a full calendar year
of operations.&lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31366">The
bar chart and table below provide some indication of the risks of investing in the Fund by illustrating
the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31367">The
Fund&#x2019;s past performance is not necessarily an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15911">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes in the performance of the Fund&#x2019;s
Class VC shares from calendar year to calendar year. This chart does not reflect the sales charges or
other expenses of Variable Contracts. If those sales charges and expenses were reflected, returns would
be lower. Performance for the Fund's Class I shares will vary due to the different expenses each class
bears.&lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31368">This chart does not reflect the sales charges or
other expenses of Variable Contracts. If those sales charges and expenses were reflected, returns would
be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31369">Bar Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15921">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+5.92%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;1st Q 2020&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-5.33%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      id="ixv-31370">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      id="ixv-31371">2020-06-30</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31372"
      unitRef="pure">0.0592</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      id="ixv-31373">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      id="ixv-31374">2020-03-31</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31375"
      unitRef="pure">-0.0533</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-15933">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The table below shows
how the Fund&#x2019;s average annual total returns compare to the returns of a securities market index with
investment characteristics similar to those of the Fund as well as to a broad-based securities market
index.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:9.35pt; font-style:normal;"&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&lt;sup&gt;1 &lt;/sup&gt;&lt;/span&gt;&lt;span style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The
Fund has adopted the Bloomberg U.S. Aggregate Bond Index as its broad-based securities market index.&lt;/span&gt;&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31376">Average Annual Total Returns (for the periods ended December 31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31377"
      unitRef="pure">0.0590</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31378"
      unitRef="pure">0.0225</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31379"
      unitRef="pure">0.0262</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member"
      id="ixv-31380">ICE BofA 1&#x2013;3 Year U.S. Corporate Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31381"
      unitRef="pure">0.0593</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31382"
      unitRef="pure">0.0253</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_ICEBofA13YearUSCorporateIndex337_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31383"
      unitRef="pure">0.0281</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31384">(reflects no deduction for fees, expenses, or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member"
      id="ixv-31385">Bloomberg U.S. Aggregate Bond Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31386"
      unitRef="pure">0.0730</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31387"
      unitRef="pure">-0.0036</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_BloombergUSAggregateBondIndex339_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-31388"
      unitRef="pure">0.0201</oef:AvgAnnlRtrPct>
    <oef:RiskReturnHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31389">FUND
SUMMARY</oef:RiskReturnHeading>
    <oef:ObjectiveHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31390"> INVESTMENT OBJECTIVE</oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31391">The Fund&#x2019;s investment
objective is to seek income and capital appreciation to produce a high total return.</oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31392"> FEES
AND EXPENSES</oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-17891">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This table describes the fees and expenses that you may pay
if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions
and other fees to financial intermediaries, which are not reflected in the table and examples below.
The table does not reflect the fees and expenses of variable annuity contracts or variable life insurance
policies (together, &#x201c;Variable Contracts&#x201d;). If such fees and expenses were reflected, expenses shown
would be higher.&lt;/p&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:82.51%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:15.96%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:1.53%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-top:0.5pt; border-top-style:solid; border-top-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="2" style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000; background-color:#D9D9D9;"&gt;&lt;p style="font-size:8.0pt; font-family:Sans-Serif; text-align:left; font-weight:normal; text-decoration:none; font-style:italic;"&gt;(Expenses that you pay each year as a percentage of the value
of your investment)&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:bold; text-decoration:none;"&gt;Class&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:bold; text-decoration:none;"&gt;VC Shares&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Management Fees&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.28%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Other Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.43%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Total
Annual Fund Operating Expenses&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-bottom:0.5pt; border-bottom-style:solid; border-bottom-color:#000000; border-right:0.5pt; border-right-style:solid; border-right-color:#000000;"&gt;&lt;p style="font-size:7.5pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;0.71%&lt;/p&gt;&lt;/td&gt;&lt;td style="vertical-align:middle; border-left:0.5pt; border-left-style:solid; border-left-color:#000000; font-size:1pt;"&gt;&lt;p style="font-size:1.0pt; font-family:Sans-Serif; font-style:normal; text-align:center; font-weight:normal; text-decoration:none;"&gt;&#160;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="2" cellspacing="0" style="border-collapse:collapse" width="100%"&gt;&lt;tr style="font-size:1pt;"&gt;&lt;td style="width:3%;"&gt;&#160;&lt;/td&gt;&lt;td style="width:97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align:bottom; font-size:1pt;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseExampleHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31393">Example</oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-17944">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;This
Example is intended to help you compare the cost of investing in the Fund with the cost of investing
in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated
and then redeem all of your shares at the end of those periods. The Example also assumes that your investment
has a 5% return each year and that the Fund&#x2019;s operating expenses remain the same. The Example does
not reflect Variable Contract expenses, fees, and charges. If these expenses, fees, and charges were
included, your costs would be higher. Although your actual costs may be higher or lower, based on these
assumptions your costs would be:&lt;/p&gt;</oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleYear01
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31394"
      unitRef="usd">73</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31395"
      unitRef="usd">227</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31396"
      unitRef="usd">395</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31397"
      unitRef="usd">883</oef:ExpenseExampleYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31398">Portfolio Turnover</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-17995">&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns
over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These
costs, which are not reflected in the annual fund operating expenses or in the example, affect the Fund&#x2019;s
performance. During the most recent fiscal year, the Fund&#x2019;s portfolio turnover rate was 428% of the
average value of its portfolio.&lt;/span&gt;
</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31399"
      unitRef="pure">4.28</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31400">
PRINCIPAL INVESTMENT STRATEGIES</oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-18006">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;Under normal conditions,
the Fund pursues its investment objective by investing in investment grade debt (or fixed income) securities.
The Fund may invest up to 20% of its net assets in high-yield debt securities (commonly referred to as
&#x201c;lower-rated&#x201d; or &#x201c;junk&#x201d; bonds). The Fund may invest in debt securities issued by non-U.S. entities
but denominated in U.S. dollars, and securities issued by non-U.S. entities and denominated in currencies
other than the U.S. dollar. The Fund may invest up to 20% of its net assets in debt securities of non-U.S.
issuers that are denominated in non-U.S. currencies.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund generally may
invest in the following types of debt securities:&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;securities
issued or guaranteed by the U.S. Government, its agencies and instrumentalities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;corporate debt securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;mortgage-backed, mortgage-related, and other asset-backed
securities;&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;inflation-linked
investments; &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;structured
securities and other hybrid instruments, including collateralized loan obligations (&#x201c;CLOs&#x201d;); and&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;loans,
including bridge loans, novations, assignments, and participations. The Fund may invest up to 10% of
its net assets in floating or adjustable rate loans.&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may invest in
Treasury Inflation Protected Securities (&#x201c;TIPS&#x201d;), which are U.S. Government bonds whose principal
automatically is adjusted for inflation as measured by the Consumer Price Index for All Urban Consumers
(&#x201c;CPI-U&#x201d;), and other inflation-indexed securities issued by the U.S. Department of Treasury. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund will not invest more than 25% of its total assets in any industry (excluding securities of the U.S.
Government, its agencies and instrumentalities); however, the Fund does not consider mortgage-related
securities, including CMBS and other privately issued mortgage-related securities, as representing interests
in any particular industry or group of industries. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund seeks to manage
interest rate risk through its management of the average duration of the securities it holds in its portfolio.
Under normal conditions, the Fund will maintain its average duration range within two years of the bond
market&#x2019;s duration as measured by the Bloomberg U.S. Aggregate Bond Index (which was approximately 5.88
years as of February 28, 2026). The duration of a security takes into account the pattern of all expected
payments of interest and principal on the security over time, including how these payments are affected
by changes in interest rates. &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The Fund may use derivatives to hedge against
risk or to gain investment exposure. Currently, the Fund expects to invest in derivatives consisting
principally of futures, &lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;forwards, options, and swaps. The Fund may use derivatives to seek to enhance
returns, to attempt to hedge some of its investment risk, to manage portfolio duration, as a substitute
for holding the underlying asset on which the derivative instrument is based, or for cash management
purposes. For example, the Fund may invest in or sell short U.S. Treasury futures, securities index futures,
other futures, and/or currency forwards to adjust the Fund&#x2019;s exposure to the direction of interest
rates, or for other portfolio management reasons.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The portfolio management
team buys and sells securities using a relative value-oriented investment process, meaning the portfolio
management team generally seeks more investment exposure to securities believed to be undervalued and
less investment exposure to securities believed to be overvalued. The portfolio management team combines
top-down and bottom-up analysis to construct its portfolio, using a blend of quantitative and fundamental
research. As part of its top-down analysis, the portfolio management team evaluates global economic conditions,
including monetary, fiscal, and regulatory policy, as well as the political and geopolitical environment,
in order to identify and assess opportunities and risks across different segments of the fixed income
market. The portfolio management team employs bottom-up analysis to identify and select securities for
investment by the Fund based on in-depth company, industry, and market research and analysis. The portfolio
management team may actively rotate sector exposure based on its assessment of relative value. The Fund
engages in active and frequent trading of its portfolio securities.&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
Fund may sell a security when the Fund believes the security is less likely to benefit from the current
market and economic environment, or shows signs of deteriorating fundamentals, among other reasons. The
Fund may deviate from the investment strategy described above for temporary defensive purposes. The Fund
may miss certain investment opportunities if defensive strategies are used and thus may not achieve its
investment objective.&lt;/p&gt;</oef:StrategyNarrativeTextBlock>
    <oef:StrategyPortfolioConcentration
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31401">The
Fund will not invest more than 25% of its total assets in any industry (excluding securities of the U.S.
Government, its agencies and instrumentalities); however, the Fund does not consider mortgage-related
securities, including CMBS and other privately issued mortgage-related securities, as representing interests
in any particular industry or group of industries. </oef:StrategyPortfolioConcentration>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_PRINCIPALRISKS2_S000028721Summary9Member"
      id="ixv-18045">&lt;p style="font-size:10.0pt; font-family:Arial; text-align:left; font-weight:bold; font-style:normal;"&gt;&lt;span style="font-size:4.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;a href="" id="x4x10"&gt;&lt;/a&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Arial; font-style:normal; font-weight:bold; text-decoration:none;"&gt;PRINCIPAL RISKS&lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;As with any investment
in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little
or no return on your investment. When you redeem your shares, they may be worth more or less than what
you paid for them, which means that you may lose a portion or all of the money you invested in the Fund.
The principal risks of investing in the Fund, which could adversely affect its performance, include:&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_RiskLoseMoneyMember_S000028721Summary9Member"
      id="ixv-31402">As with any investment
in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little
or no return on your investment. When you redeem your shares, they may be worth more or less than what
you paid for them, which means that you may lose a portion or all of the money you invested in the Fund.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_PortfolioManagementRisk2_S000028721Summary9Member"
      id="ixv-18052">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Portfolio
Management Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; If the strategies used and investments selected by the Fund&#x2019;s portfolio management
team fail to produce the intended result, the Fund may suffer losses or underperform other funds with
the same investment objective or strategies, even in a favorable market.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_MarketRisk2_S000028721Summary9Member"
      id="ixv-18058">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Market Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The market values of securities will fluctuate,
sometimes sharply and unpredictably, based on overall economic conditions, governmental actions or intervention,
market disruptions caused by trade disputes, tariffs or other &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;factors, political developments, and other factors. Prices
of equity securities tend to rise and fall more dramatically than those of debt securities.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_FixedIncomeSecuritiesRisk2_S000028721Summary9Member"
      id="ixv-18070">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Fixed
Income Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund is subject to the general risks and considerations associated with investing
in debt securities, including the risk that issuers will fail to make timely payments of principal or
interest or default altogether. Lower-rated securities in which the Fund may invest may be more volatile
and may decline more in price in response to negative issuer developments or general economic news due
to their increased credit risk relative to other fixed-income investments. In addition, as interest rates
rise, the Fund&#x2019;s investments typically will lose value. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Fiscal, economic, monetary, or other governmental
policies or&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;measures have in the past&#x2014;and may in the future&#x2014;cause or exacerbate&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;interest
rate risks.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_HighYieldSecuritiesRisk2_S000028721Summary9Member"
      id="ixv-18081">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High
Yield Securities Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High yield securities (commonly referred to as &#x201c;junk&#x201d; bonds) typically pay
a higher yield than investment grade securities, but may have greater price fluctuations and have a higher
risk of default than investment grade securities. The market for high yield securities may be less liquid
due to such factors as interest rate sensitivity, negative perceptions of the junk bond markets generally,
and less secondary market liquidity. This may make such securities more difficult to sell at an acceptable
price, especially during periods of financial distress, increased market volatility, or significant market
decline.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_CreditRisk2_S000028721Summary9Member"
      id="ixv-18087">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Credit
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Debt securities are subject to the risk that the issuer or guarantor of a security
may not make interest and principal payments as they become due or may default altogether. In addition,
if the market perceives a deterioration in the creditworthiness of an issuer, the value and liquidity
of securities issued by that issuer may decline. To the extent that the Fund holds below investment grade
securities, these risks may be heightened. Insured debt securities have the credit risk of the insurer
in addition to the credit risk of the underlying investment being insured.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_InterestRateRisk2_S000028721Summary9Member"
      id="ixv-18093">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Interest Rate Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; As interest rates rise, prices of bonds
(including tax-exempt bonds) generally fall, typically causing the Fund&#x2019;s investments to lose value.
Additionally, rising interest rates or lack of market participants may lead to decreased liquidity in
fixed income markets. Interest rate changes generally have a more pronounced effect on the market value
of fixed-rate instruments, such as corporate bonds, than they have on floating rate instruments, and
typically have a greater effect on the price of fixed income securities with longer durations. A wide
variety of market factors can cause interest rates to rise, including central bank monetary policy, rising
inflation, and changes in general economic conditions.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_LiquidityRedemptionRisk2_S000028721Summary9Member"
      id="ixv-18099">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Liquidity/Redemption Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund may lose money
when selling securities at inopportune times to fulfill shareholder redemption requests. The risk of
loss may increase depending on the size and frequency of redemption requests, &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; margin-left:41.75pt; text-decoration:none;"&gt;whether the redemption requests occur in times of overall
market turmoil or declining prices, and whether the securities the Fund intends to sell have decreased
in value or are illiquid. The Fund may be less able to sell illiquid securities at its desired time or
price. It may be more difficult for the Fund to value its investments in illiquid securities than more
liquid securities.&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_GovernmentSecuritiesRisk2_S000028721Summary9Member"
      id="ixv-18111">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Government
Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The Fund invests in securities issued or guaranteed by the U.S. Government or
its agencies and instrumentalities (such as the Government National Mortgage Association (&#x201c;Ginnie Mae&#x201d;),
the Federal National Mortgage Association (&#x201c;Fannie Mae&#x201d;), or the Federal Home Loan Mortgage Corporation
(&#x201c;Freddie Mac&#x201d;)). Different types of U.S. government securities are subject to different levels of
credit risk, including the risk of default, depending on the nature of the particular government support
for that security. Unlike Ginnie Mae securities, securities issued or guaranteed by U.S. Government-related
organizations, such as Fannie Mae and Freddie Mac, are not backed by the full faith and credit of the
U.S. Government and no assurance can be given that the U.S. Government would provide financial support.
Past long-term U.S. credit rating downgrades have introduced greater uncertainty about the ability of
the United States to repay its obligations. The value of the Fund&#x2019;s shares may be adversely affected
by any future rating agency downgrades.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_Mortgage-RelatedandOtherAsset-BackedSecuritiesRisk2_S000028721Summary9Member"
      id="ixv-18117">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Mortgage-Related and Other Asset-Backed Securities Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;
Mortgage-related securities, including commercial mortgage-backed securities (&#x201c;CMBS&#x201d;) and other privately
issued mortgage-related securities, and other asset-backed securities may be particularly sensitive to
changes in prevailing interest rates and economic conditions, including delinquencies and defaults.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#00B050; font-weight:normal; text-decoration:none;"&gt;
&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;The
prices of mortgage-related and other asset-backed securities, depending on their structure and the rate
of payments, can be volatile. They are subject to prepayment risk (higher than expected prepayment rates
of mortgage obligations due to a fall in market interest rates) and extension risk (lower than expected
prepayment rates of mortgage obligations due to a rise in market interest rates). These risks increase
the Fund&#x2019;s overall interest rate risk. Some mortgage-related securities receive government or private
support, but there is no assurance that such support will remain in place.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_Inflation-LinkedInvestmentsRisk2_S000028721Summary9Member"
      id="ixv-18125">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Inflation-Linked Investments Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Unlike traditional
fixed income securities, the principal and interest payments of inflation-linked investments are adjusted
periodically based on the inflation rate. The value of the Fund&#x2019;s inflation-linked investments may
be vulnerable to changes in expectations of inflation or interest rates and there is no guarantee that
the Fund&#x2019;s use of these instruments will be successful.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_ForeignandEmergingMarketCompanyRisk2_S000028721Summary9Member"
      id="ixv-18131">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign and Emerging Market Company Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in foreign
companies and in U.S. companies with economic ties to foreign markets generally involve special risks.
These companies may be more vulnerable to economic, political, and social instability and subject to
less government &lt;/span&gt;&lt;/p&gt;&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;supervision, lack of transparency, inadequate regulatory and accounting standards,
and foreign taxes. Foreign company securities also include American Depositary Receipts (&#x201c;ADRs&#x201d;),
which may be less liquid than the underlying shares in their primary trading market. Foreign securities
also may subject the Fund&#x2019;s investments to changes in currency exchange rates. Emerging market securities
generally are more volatile than other foreign securities, and are subject to greater liquidity, regulatory,
and political risks. Investments in emerging markets may be considered speculative and generally are
riskier than investments in more developed markets. Emerging markets are more likely to experience hyperinflation
and currency devaluations. Securities of emerging market companies may have far lower trading volumes
and less liquidity than securities of issuers in developed markets. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In certain emerging
market countries, governments participate to a significant degree in their respective economies. Action
by these governments could have a significant adverse effect on market prices of securities and payment
of dividends.&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Companies with economic ties to emerging markets may be susceptible to the same
risks as companies organized in emerging markets.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_ForeignCurrencyRisk2_S000028721Summary9Member"
      id="ixv-18146">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Foreign Currency Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; Investments in securities
that are denominated or receiving revenues in foreign currencies are subject to the risk that those currencies
will decline in value relative to the U.S. dollar, or, in the case of hedged positions, that the U.S.
dollar will decline in value relative to the currency being hedged. Foreign currency exchange rates may
fluctuate significantly over short periods of time.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_LoanRisk2_S000028721Summary9Member"
      id="ixv-18152">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Loan Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Investments in floating or adjustable rate
loans are subject to increased credit and liquidity risks. Loan prices also may be adversely affected
by supply-demand imbalances caused by conditions in the loan market or related markets. Below investment
grade loans, like high-yield debt securities, or junk bonds, usually are more credit sensitive than interest
rate sensitive, although the value of these instruments may be affected by interest rate swings in the
overall fixed income market. Loans may be subject to structural subordination and&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#0000FF; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;may
be subordinated to other obligations of the borrower or its subsidiaries.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_CollateralizedLoanObligationsandOtherCollateralizedObligationsRisk2_S000028721Summary9Member"
      id="ixv-18160">&lt;p style="font-size:11.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:11.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Collateralized Loan Obligations and Other Collateralized Obligations
Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;  An investment in a collateralized loan obligation (&#x201c;CLO&#x201d;) can be viewed
as investing in (or through) another investment adviser and is subject to the layering of fees associated
with such an investment. The risks of investing in a CLO generally can be summarized as a combination
of economic risks of the underlying loans combined with the risks associated with the CLO structure governing
the priority of payments, and include interest rate risk, credit risk, liquidity risk, prepayment risk,
and the risk of default of the underlying asset, among others.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_DerivativesRisk2_S000028721Summary9Member"
      id="ixv-18166">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Derivatives Risk:&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; The risks associated with derivatives
may be different from and greater than the risks associated with directly investing in securities and
&lt;/span&gt;&lt;/p&gt;

&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; font-weight:normal; margin-left:41.75pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;other investments. Derivatives may increase the Fund&#x2019;s volatility and reduce
its returns. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Derivatives may not perform as expected and the Fund may not realize the intended
benefits. Whether the Fund&#x2019;s use of derivatives is successful may depend on, among other things, the
portfolio managers&#x2019; ability to correctly forecast market movements, company and industry valuation
levels and trends, changes in foreign exchange and interest rates, and other factors. If the portfolio
managers incorrectly forecast these and other factors, the Fund&#x2019;s performance could suffer. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;Derivatives
are also subject to liquidity risk and the risk that the&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;counterparty to a derivative
transaction may fail to fulfill its contractual&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;obligations under the
derivative contract. &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;In addition, given their complexity, derivatives are subject to the risk that
improper or misunderstood documentation may expose the Fund to losses.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_HighPortfolioTurnoverRisk2_S000028721Summary9Member"
      id="ixv-18186">&lt;p style="font-size:10.0pt; font-family:Serif; text-align:left; text-indent:-7.2pt; font-weight:normal; margin-left:18.0pt; font-style:normal;"&gt;&lt;span style="font-size:10.0pt; font-family:Symbol; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#xb7;&lt;/span&gt;&lt;span style="word-spacing:4.6pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;High Portfolio Turnover Risk: &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;High portfolio turnover
may result in increased transaction costs&lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; color:#FF0000; font-weight:normal; text-decoration:none;"&gt; &lt;/span&gt;&lt;span style="font-size:10.0pt; font-family:Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;and reduced investment performance.&lt;/span&gt;&lt;/p&gt;</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_RiskNotInsuredMember_S000028721Summary9Member"
      id="ixv-31403">An
investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.</oef:RiskTextBlock>
    <oef:BarChartAndPerformanceTableHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31404">
 PERFORMANCE</oef:BarChartAndPerformanceTableHeading>
    <oef:PerformanceNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-18201">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.
Each assumes reinvestment of dividends and distributions. The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future. &lt;/p&gt;</oef:PerformanceNarrativeTextBlock>
    <oef:PerformanceInformationIllustratesVariabilityOfReturns
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31406">The bar chart and table below provide some
indication of the risks of investing in the Fund by illustrating the variability of the Fund&#x2019;s returns.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
    <oef:PerformancePastDoesNotIndicateFuture
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31407">The Fund&#x2019;s past performance is not necessarily
an indication of how the Fund will perform in the future.</oef:PerformancePastDoesNotIndicateFuture>
    <oef:BarChartNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-18203">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The bar chart shows changes
in the performance of the Fund&#x2019;s Class VC shares from calendar year to calendar year. This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower. &lt;/p&gt;</oef:BarChartNarrativeTextBlock>
    <oef:BarChartDoesNotReflectSalesLoads
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31408">This chart does
not reflect the sales charges or other expenses of Variable Contracts. If those sales charges and expenses
were reflected, returns would be lower.</oef:BarChartDoesNotReflectSalesLoads>
    <oef:BarChartHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31409">Bar Chart (per calendar year) - Class VC Shares</oef:BarChartHeading>
    <oef:BarChartClosingTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-18217">&lt;p style="font-size:9.0pt; font-family:Sans-Serif; text-align:left; text-indent:9.0pt; font-weight:normal; font-style:normal;"&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Best Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;4th Q 2023&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;+6.80%&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="word-spacing:9.0pt;"&gt;&#160;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;Worst
Quarter&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:normal; text-decoration:none;"&gt;&#x2005;2nd Q 2022&#x2005;&lt;/span&gt;&lt;span style="font-size:9.0pt; font-family:Sans-Serif; font-style:normal; font-weight:bold; text-decoration:none;"&gt;-5.99%&lt;/span&gt;&lt;/p&gt;</oef:BarChartClosingTextBlock>
    <oef:HighestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      id="ixv-31410">Best Quarter</oef:HighestQuarterlyReturnLabel>
    <oef:BarChartHighestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      id="ixv-31411">2023-12-31</oef:BarChartHighestQuarterlyReturnDate>
    <oef:BarChartHighestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31412"
      unitRef="pure">0.0680</oef:BarChartHighestQuarterlyReturn>
    <oef:LowestQuarterlyReturnLabel
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      id="ixv-31413">Worst
Quarter</oef:LowestQuarterlyReturnLabel>
    <oef:BarChartLowestQuarterlyReturnDate
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      id="ixv-31414">2022-06-30</oef:BarChartLowestQuarterlyReturnDate>
    <oef:BarChartLowestQuarterlyReturn
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31415"
      unitRef="pure">-0.0599</oef:BarChartLowestQuarterlyReturn>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-18229">&lt;p style="font-size:10.0pt; font-family:Serif; font-style:normal; text-align:left; font-weight:normal; text-decoration:none;"&gt;The
table below shows how the Fund&#x2019;s average annual total returns compare to the returns of a securities
market index with investment characteristics similar to those of the Fund.&lt;/p&gt;</oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableHeading
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31416">Average Annual Total Returns (for the periods ended December
31, 2025)</oef:PerformanceTableHeading>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31417"
      unitRef="pure">0.0719</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31418"
      unitRef="pure">0.0006</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31419"
      unitRef="pure">0.0227</oef:AvgAnnlRtrPct>
    <oef:AverageAnnualReturnLabel
      contextRef="Context_20251231_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member"
      id="ixv-31420">Bloomberg U.S. Aggregate Bond Index</oef:AverageAnnualReturnLabel>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20250101_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31421"
      unitRef="pure">0.0730</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20210101_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31422"
      unitRef="pure">-0.0036</oef:AvgAnnlRtrPct>
    <oef:AvgAnnlRtrPct
      contextRef="Context_20160101_20251231_BloombergUSAggregateBondIndex341_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-31423"
      unitRef="pure">0.0201</oef:AvgAnnlRtrPct>
    <oef:IndexNoDeductionForFeesExpensesTaxes
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31424">(reflects no deduction for fees, expenses, or taxes)</oef:IndexNoDeductionForFeesExpensesTaxes>
    <dei:DocumentType contextRef="Context_20251231_20251231" id="ixv-31427">485BPOS</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="Context_20251231_20251231" id="ixv-31428">2025-12-31</dei:DocumentPeriodEndDate>
    <dei:EntityCentralIndexKey contextRef="Context_20251231_20251231" id="ixv-31429">0000855396</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag contextRef="Context_20251231_20251231" id="ixv-31430">false</dei:AmendmentFlag>
    <dei:DocumentCreationDate contextRef="Context_20251231_20251231" id="ixv-31431">2026-04-09</dei:DocumentCreationDate>
    <dei:DocumentEffectiveDate contextRef="Context_20251231_20251231" id="ixv-31432">2026-05-01</dei:DocumentEffectiveDate>
    <dei:EntityInvCompanyType contextRef="Context_20251231_20251231" id="ixv-31433">N-1A</dei:EntityInvCompanyType>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31434">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007299Summary1Member row dei_LegalEntityAxis compact cik0000855396_S000007299Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-31435">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007299Summary1Member row dei_LegalEntityAxis compact cik0000855396_S000007299Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31436">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000028719Summary2Member row dei_LegalEntityAxis compact cik0000855396_S000028719Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-31437">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000028719Summary2Member row dei_LegalEntityAxis compact cik0000855396_S000028719Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31438">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007298Summary3Member row dei_LegalEntityAxis compact cik0000855396_S000007298Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-31439">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007298Summary3Member row dei_LegalEntityAxis compact cik0000855396_S000007298Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31440">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007297Summary4Member row dei_LegalEntityAxis compact cik0000855396_S000007297Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-31441">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007297Summary4Member row dei_LegalEntityAxis compact cik0000855396_S000007297Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31442">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007300Summary5Member row dei_LegalEntityAxis compact cik0000855396_S000007300Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-31443">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007300Summary5Member row dei_LegalEntityAxis compact cik0000855396_S000007300Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31444">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007301Summary6Member row dei_LegalEntityAxis compact cik0000855396_S000007301Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-31445">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007301Summary6Member row dei_LegalEntityAxis compact cik0000855396_S000007301Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31446">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007304Summary7Member row dei_LegalEntityAxis compact cik0000855396_S000007304Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-31447">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000007304Summary7Member row dei_LegalEntityAxis compact cik0000855396_S000007304Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31448">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000045029Summary8Member row dei_LegalEntityAxis compact cik0000855396_S000045029Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-31449">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000045029Summary8Member row dei_LegalEntityAxis compact cik0000855396_S000045029Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <oef:ExpenseExampleWithRedemptionTableTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31450">~ http://xbrl.sec.gov/rr/role/ExpenseExample row dei_DocumentInformationDocumentAxis compact cik0000855396_S000028721Summary9Member row dei_LegalEntityAxis compact cik0000855396_S000028721Member ~</oef:ExpenseExampleWithRedemptionTableTextBlock>
    <oef:PerformanceTableTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-31451">~ http://xbrl.sec.gov/rr/role/PerformanceTableData column period compact * row dei_DocumentInformationDocumentAxis compact cik0000855396_S000028721Summary9Member row dei_LegalEntityAxis compact cik0000855396_S000028721Member row oef_ClassAxis compact * row oef_PerformanceMeasureAxis compact * ~</oef:PerformanceTableTextBlock>
    <dei:EntityRegistrantName contextRef="Context_20251231_20251231" id="ixv-34644">LORD ABBETT SERIES FUND INC</dei:EntityRegistrantName>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34645"
      unitRef="pure">0.1213</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34646"
      unitRef="pure">0.0921</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34647"
      unitRef="pure">-0.0402</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34648"
      unitRef="pure">0.1335</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34649"
      unitRef="pure">0.073</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34650"
      unitRef="pure">0.0328</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34651"
      unitRef="pure">-0.128</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34652"
      unitRef="pure">0.0655</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34653"
      unitRef="pure">0.0672</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000020055Member_S000007299Member_S000007299Summary1Member"
      decimals="INF"
      id="ixv-34654"
      unitRef="pure">0.0833</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34655"
      unitRef="pure">-0.026</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34656"
      unitRef="pure">0.2992</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34657"
      unitRef="pure">0.0488</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34658"
      unitRef="pure">0.3177</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34659"
      unitRef="pure">0.726</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34660"
      unitRef="pure">-0.0275</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34661"
      unitRef="pure">-0.3598</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34662"
      unitRef="pure">0.0817</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34663"
      unitRef="pure">0.2218</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000087850Member_S000028719Member_S000028719Summary2Member"
      decimals="INF"
      id="ixv-34664"
      unitRef="pure">0.1459</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34665"
      unitRef="pure">0.151</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34666"
      unitRef="pure">0.1912</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34667"
      unitRef="pure">-0.0467</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34668"
      unitRef="pure">0.2645</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34669"
      unitRef="pure">0.1542</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34670"
      unitRef="pure">0.2562</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34671"
      unitRef="pure">-0.1355</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34672"
      unitRef="pure">0.1633</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34673"
      unitRef="pure">0.2214</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000020054Member_S000007298Member_S000007298Summary3Member"
      decimals="INF"
      id="ixv-34674"
      unitRef="pure">0.1598</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34675"
      unitRef="pure">0.1574</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34676"
      unitRef="pure">0.1257</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34677"
      unitRef="pure">-0.0816</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34678"
      unitRef="pure">0.2151</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34679"
      unitRef="pure">0.0177</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34680"
      unitRef="pure">0.2731</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34681"
      unitRef="pure">-0.1198</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34682"
      unitRef="pure">0.1463</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34683"
      unitRef="pure">0.1665</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000020053Member_S000007297Member_S000007297Summary4Member"
      decimals="INF"
      id="ixv-34684"
      unitRef="pure">0.1429</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34685"
      unitRef="pure">0.1711</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34686"
      unitRef="pure">0.1338</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34687"
      unitRef="pure">-0.0814</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34688"
      unitRef="pure">0.2249</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34689"
      unitRef="pure">0.027</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34690"
      unitRef="pure">0.2902</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34691"
      unitRef="pure">-0.0944</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34692"
      unitRef="pure">0.1319</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34693"
      unitRef="pure">0.206</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000020056Member_S000007300Member_S000007300Summary5Member"
      decimals="INF"
      id="ixv-34694"
      unitRef="pure">0.1729</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34695"
      unitRef="pure">0.0123</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34696"
      unitRef="pure">0.2291</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34697"
      unitRef="pure">-0.0289</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34698"
      unitRef="pure">0.3637</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34699"
      unitRef="pure">0.3938</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34700"
      unitRef="pure">0.0646</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34701"
      unitRef="pure">-0.3253</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34702"
      unitRef="pure">0.1067</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34703"
      unitRef="pure">0.3061</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000020057Member_S000007301Member_S000007301Summary6Member"
      decimals="INF"
      id="ixv-34704"
      unitRef="pure">0.1294</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34705"
      unitRef="pure">0.1639</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34706"
      unitRef="pure">0.0683</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34707"
      unitRef="pure">-0.1504</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34708"
      unitRef="pure">0.2264</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34709"
      unitRef="pure">0.025</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34710"
      unitRef="pure">0.287</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34711"
      unitRef="pure">-0.1121</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34712"
      unitRef="pure">0.1542</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34713"
      unitRef="pure">0.149</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000020060Member_S000007304Member_S000007304Summary7Member"
      decimals="INF"
      id="ixv-34714"
      unitRef="pure">0.0705</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34715"
      unitRef="pure">0.0347</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34716"
      unitRef="pure">0.0219</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34717"
      unitRef="pure">0.0115</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34718"
      unitRef="pure">0.0506</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34719"
      unitRef="pure">0.0313</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34720"
      unitRef="pure">0.0063</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34721"
      unitRef="pure">-0.0506</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34722"
      unitRef="pure">0.0505</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34723"
      unitRef="pure">0.0514</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000139705Member_S000045029Member_S000045029Summary8Member"
      decimals="INF"
      id="ixv-34724"
      unitRef="pure">0.059</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20161231_20161231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34725"
      unitRef="pure">0.0426</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20171231_20171231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34726"
      unitRef="pure">0.0386</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20181231_20181231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34727"
      unitRef="pure">-0.0103</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20191231_20191231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34728"
      unitRef="pure">0.0841</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20201231_20201231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34729"
      unitRef="pure">0.0743</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20211231_20211231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34730"
      unitRef="pure">-0.0024</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20221231_20221231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34731"
      unitRef="pure">-0.1405</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20231231_20231231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34732"
      unitRef="pure">0.0634</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20241231_20241231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34733"
      unitRef="pure">0.0266</oef:AnnlRtrPct>
    <oef:AnnlRtrPct
      contextRef="Context_20251231_20251231_C000087852Member_S000028721Member_S000028721Summary9Member"
      decimals="INF"
      id="ixv-34734"
      unitRef="pure">0.0719</oef:AnnlRtrPct>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000007299Member_S000007299Summary1Member"
      id="ixv-34744">~ http://www.lordabbett.com/20251231/role/RRRiskTable3 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000028719Member_S000028719Summary2Member"
      id="ixv-34745">~ http://www.lordabbett.com/20251231/role/RRRiskTable5 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000007298Member_S000007298Summary3Member"
      id="ixv-34746">~ http://www.lordabbett.com/20251231/role/RRRiskTable7 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000007297Member_S000007297Summary4Member"
      id="ixv-34747">~ http://www.lordabbett.com/20251231/role/RRRiskTable9 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000007300Member_S000007300Summary5Member"
      id="ixv-34748">~ http://www.lordabbett.com/20251231/role/RRRiskTable11 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000007301Member_S000007301Summary6Member"
      id="ixv-34749">~ http://www.lordabbett.com/20251231/role/RRRiskTable13 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000007304Member_S000007304Summary7Member"
      id="ixv-34750">~ http://www.lordabbett.com/20251231/role/RRRiskTable15 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000045029Member_S000045029Summary8Member"
      id="ixv-34751">~ http://www.lordabbett.com/20251231/role/RRRiskTable17 ~</cik0000855396:CustomRisksTableTextBlock>
    <cik0000855396:CustomRisksTableTextBlock
      contextRef="Context_20251231_20251231_S000028721Member_S000028721Summary9Member"
      id="ixv-34752">~ http://www.lordabbett.com/20251231/role/RRRiskTable19 ~</cik0000855396:CustomRisksTableTextBlock>
</xbrl>
