Shareholder Fees	Nov. 30, 2025
Nomura Small Cap Core Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Core Fund | A
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%	[1]
Nomura Small Cap Core Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Core Fund | C
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	1.00%	[1]
Nomura Small Cap Core Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Core Fund | R
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Small Cap Core Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Core Fund | Institutional
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Small Cap Core Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Core Fund | R6
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Small Cap Value Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Value Fund | A
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%	[2]
Nomura Small Cap Value Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Value Fund | C
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	1.00%	[2]
Nomura Small Cap Value Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Value Fund | R
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Small Cap Value Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Value Fund | Institutional
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Small Cap Value Fund - Class A, C, R, Institutional and R6 | Nomura Small Cap Value Fund | R6
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Wealth Builder Fund - Class A, C, R, Institutional and R6 | Nomura Wealth Builder Fund | A
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%	[3]
Nomura Wealth Builder Fund - Class A, C, R, Institutional and R6 | Nomura Wealth Builder Fund | C
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	1.00%	[3]
Nomura Wealth Builder Fund - Class A, C, R, Institutional and R6 | Nomura Wealth Builder Fund | R
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Wealth Builder Fund - Class A, C, R, Institutional and R6 | Nomura Wealth Builder Fund | Institutional
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Nomura Wealth Builder Fund - Class A, C, R, Institutional and R6 | Nomura Wealth Builder Fund | R6
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%

[1] 1 For Class A shares, a 1% contingent deferred sales charge (CDSC) is only imposed on certain Class A shares that are purchased at net asset value (NAV) for $1 million or more that are subsequently redeemed within 18 months of purchase. For Class C shares, a 1% CDSC applies to redemptions within 12 months of purchase.

[2] 1 For Class A shares, a 1% contingent deferred sales charge (CDSC) is only imposed on certain Class A shares that are purchased at net asset value (NAV) for $1 million or more that are subsequently redeemed within 18 months of purchase. For Class C shares, a 1% CDSC applies to redemptions within 12 months of purchase.

[3] 1 For Class A shares, a 1% contingent deferred sales charge (CDSC) is only imposed on certain Class A shares that are purchased at net asset value (NAV) for $1 million or more that are subsequently redeemed within 18 months of purchase. For Class C shares, a 1% CDSC applies to redemptions within 12 months of purchase.