Shareholder Report, Holdings (Details)	Jun. 30, 2026
C000005506 \| Top10HoldingMicron TechnologyBNY-595112103
Holdings [Line Items]
Percent of Net Asset Value	10.90%
C000005506 \| Top10HoldingAdvanced Micro DevicesBNY-007903107
Holdings [Line Items]
Percent of Net Asset Value	5.40%
C000005506 \| Top10HoldingSandiskBNY-80004C200
Holdings [Line Items]
Percent of Net Asset Value	5.30%
C000005506 \| Top10HoldingBroadcomBNY-11135F101
Holdings [Line Items]
Percent of Net Asset Value	5.00%
C000005506 \| Top10HoldingLam ResearchBNY-512807306
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000005506 \| Top10HoldingMarvell TechnologyBNY-573874104
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000005506 \| Top10HoldingNVIDIABNY-67066G104
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000005506 \| Top10HoldingIntelBNY-458140100
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000005506 \| Top10HoldingApplied MaterialsBNY-038222105
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000005506 \| Top10HoldingKLABNY-482480100
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000005506 \| Processors
Holdings [Line Items]
Percent of Net Asset Value	21.00%
C000005506 \| Memory
Holdings [Line Items]
Percent of Net Asset Value	15.90%
C000005506 \| Semiconductor Capital Equipment
Holdings [Line Items]
Percent of Net Asset Value	13.40%
C000005506 \| Electronic Equipment and Components
Holdings [Line Items]
Percent of Net Asset Value	7.10%
C000005506 \| Enterprise Hardware
Holdings [Line Items]
Percent of Net Asset Value	7.10%
C000005506 \| Consumer Electronics
Holdings [Line Items]
Percent of Net Asset Value	6.60%
C000005506 \| Digital Systems
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000005506 \| Security Software
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000005506 \| Infrastructure and Developer Tool Software
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000005506 \| Investment TypeOther Holdings Grouping
Holdings [Line Items]
Percent of Net Asset Value	17.70%
C000005507 \| Top10HoldingMicron TechnologyBNY-595112103
Holdings [Line Items]
Percent of Net Asset Value	10.90%
C000005507 \| Top10HoldingAdvanced Micro DevicesBNY-007903107
Holdings [Line Items]
Percent of Net Asset Value	5.40%
C000005507 \| Top10HoldingSandiskBNY-80004C200
Holdings [Line Items]
Percent of Net Asset Value	5.30%
C000005507 \| Top10HoldingBroadcomBNY-11135F101
Holdings [Line Items]
Percent of Net Asset Value	5.00%
C000005507 \| Top10HoldingLam ResearchBNY-512807306
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000005507 \| Top10HoldingMarvell TechnologyBNY-573874104
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000005507 \| Top10HoldingNVIDIABNY-67066G104
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000005507 \| Top10HoldingIntelBNY-458140100
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000005507 \| Top10HoldingApplied MaterialsBNY-038222105
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000005507 \| Top10HoldingKLABNY-482480100
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000005507 \| Processors
Holdings [Line Items]
Percent of Net Asset Value	21.00%
C000005507 \| Memory
Holdings [Line Items]
Percent of Net Asset Value	15.90%
C000005507 \| Semiconductor Capital Equipment
Holdings [Line Items]
Percent of Net Asset Value	13.40%
C000005507 \| Electronic Equipment and Components
Holdings [Line Items]
Percent of Net Asset Value	7.10%
C000005507 \| Enterprise Hardware
Holdings [Line Items]
Percent of Net Asset Value	7.10%
C000005507 \| Consumer Electronics
Holdings [Line Items]
Percent of Net Asset Value	6.60%
C000005507 \| Digital Systems
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000005507 \| Security Software
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000005507 \| Infrastructure and Developer Tool Software
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000005507 \| Investment TypeOther Holdings Grouping
Holdings [Line Items]
Percent of Net Asset Value	17.70%
C000169947 \| Top10HoldingMicron TechnologyBNY-595112103
Holdings [Line Items]
Percent of Net Asset Value	10.90%
C000169947 \| Top10HoldingAdvanced Micro DevicesBNY-007903107
Holdings [Line Items]
Percent of Net Asset Value	5.40%
C000169947 \| Top10HoldingSandiskBNY-80004C200
Holdings [Line Items]
Percent of Net Asset Value	5.30%
C000169947 \| Top10HoldingBroadcomBNY-11135F101
Holdings [Line Items]
Percent of Net Asset Value	5.00%
C000169947 \| Top10HoldingLam ResearchBNY-512807306
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000169947 \| Top10HoldingMarvell TechnologyBNY-573874104
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000169947 \| Top10HoldingNVIDIABNY-67066G104
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000169947 \| Top10HoldingIntelBNY-458140100
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000169947 \| Top10HoldingApplied MaterialsBNY-038222105
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000169947 \| Top10HoldingKLABNY-482480100
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000169947 \| Processors
Holdings [Line Items]
Percent of Net Asset Value	21.00%
C000169947 \| Memory
Holdings [Line Items]
Percent of Net Asset Value	15.90%
C000169947 \| Semiconductor Capital Equipment
Holdings [Line Items]
Percent of Net Asset Value	13.40%
C000169947 \| Electronic Equipment and Components
Holdings [Line Items]
Percent of Net Asset Value	7.10%
C000169947 \| Enterprise Hardware
Holdings [Line Items]
Percent of Net Asset Value	7.10%
C000169947 \| Consumer Electronics
Holdings [Line Items]
Percent of Net Asset Value	6.60%
C000169947 \| Digital Systems
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000169947 \| Security Software
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000169947 \| Infrastructure and Developer Tool Software
Holdings [Line Items]
Percent of Net Asset Value	3.40%
C000169947 \| Investment TypeOther Holdings Grouping
Holdings [Line Items]
Percent of Net Asset Value	17.70%

Shareholder Report, Holdings (Details)

Jun. 30, 2026