Class Z [Member] Annual Fund Operating Expenses - Class Z Shares - Small Cap Core Portfolio - Class Z	Sep. 30, 2025
Prospectus [Line Items]
Management Fees (as a percentage of Assets)	0.80%
Distribution and Service (12b-1) Fees	0.00%
Component2 Other Expenses	0.03%
Component3 Other Expenses	0.05%
Other Expenses (as a percentage of Assets):	0.08%
Expenses (as a percentage of Assets)	0.88%

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
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-Subparagraph c
-Sentence iii

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- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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- References

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- References

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- References

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- References

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