XML 12 R2.htm IDEA: XBRL DOCUMENT v3.26.1
Shareholder Report
 6 Months Ended
May 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name DELAWARE GROUP EQUITY FUNDS V
Entity Central Index Key 0000809821
Entity Investment Company Type N-1A
Document Period End Date May 31, 2026
C000006368 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Wealth Builder Fund
Class Name Class A
Trading Symbol DDIAX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Wealth Builder Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class A $55 1.04%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.04% [1]
Net Assets $ 831,579,734
Holdings Count | Holding 711 [2]
Advisory Fees Paid, Amount $ 2,498,974
Investment Company Portfolio Turnover 32.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $831,579,734
Total number of portfolio holdings* 711
Total advisory fees paid (during reporting period) $2,498,974
Portfolio turnover rate 32%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Common Stocks 54.64%
Exchange-Traded Funds 14.17%
Corporate Bonds 13.53%
Agency Mortgage-Backed Securities 7.05%
US Treasury Obligations 3.36%
Non-Agency Commercial Mortgage-Backed Securities 2.73%
Non-Agency Collateralized Mortgage Obligations 1.06%
Collateralized Loan Obligations 1.00%
Non-Agency Asset-Backed Securities 0.81%
Municipal Bonds 0.10%
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
Largest Holdings [Text Block]
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
C000006370 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Wealth Builder Fund
Class Name Class C
Trading Symbol DDICX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Wealth Builder Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class C $94 1.79%
^
Annualized.
Expenses Paid, Amount $ 94
Expense Ratio, Percent 1.79% [3]
Net Assets $ 831,579,734
Holdings Count | Holding 711 [4]
Advisory Fees Paid, Amount $ 2,498,974
Investment Company Portfolio Turnover 32.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $831,579,734
Total number of portfolio holdings* 711
Total advisory fees paid (during reporting period) $2,498,974
Portfolio turnover rate 32%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Common Stocks 54.64%
Exchange-Traded Funds 14.17%
Corporate Bonds 13.53%
Agency Mortgage-Backed Securities 7.05%
US Treasury Obligations 3.36%
Non-Agency Commercial Mortgage-Backed Securities 2.73%
Non-Agency Collateralized Mortgage Obligations 1.06%
Collateralized Loan Obligations 1.00%
Non-Agency Asset-Backed Securities 0.81%
Municipal Bonds 0.10%
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
Largest Holdings [Text Block]
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
C000006371 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Wealth Builder Fund
Class Name Class R
Trading Symbol DDDRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Wealth Builder Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class R $68 1.29%
^
Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.29% [5]
Net Assets $ 831,579,734
Holdings Count | Holding 711 [6]
Advisory Fees Paid, Amount $ 2,498,974
Investment Company Portfolio Turnover 32.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $831,579,734
Total number of portfolio holdings* 711
Total advisory fees paid (during reporting period) $2,498,974
Portfolio turnover rate 32%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Common Stocks 54.64%
Exchange-Traded Funds 14.17%
Corporate Bonds 13.53%
Agency Mortgage-Backed Securities 7.05%
US Treasury Obligations 3.36%
Non-Agency Commercial Mortgage-Backed Securities 2.73%
Non-Agency Collateralized Mortgage Obligations 1.06%
Collateralized Loan Obligations 1.00%
Non-Agency Asset-Backed Securities 0.81%
Municipal Bonds 0.10%
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
Largest Holdings [Text Block]
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
C000006372 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Wealth Builder Fund
Class Name Institutional Class
Trading Symbol DDIIX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Wealth Builder Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Institutional Class $41 0.79%
^
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79% [7]
Net Assets $ 831,579,734
Holdings Count | Holding 711 [8]
Advisory Fees Paid, Amount $ 2,498,974
Investment Company Portfolio Turnover 32.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $831,579,734
Total number of portfolio holdings* 711
Total advisory fees paid (during reporting period) $2,498,974
Portfolio turnover rate 32%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Common Stocks 54.64%
Exchange-Traded Funds 14.17%
Corporate Bonds 13.53%
Agency Mortgage-Backed Securities 7.05%
US Treasury Obligations 3.36%
Non-Agency Commercial Mortgage-Backed Securities 2.73%
Non-Agency Collateralized Mortgage Obligations 1.06%
Collateralized Loan Obligations 1.00%
Non-Agency Asset-Backed Securities 0.81%
Municipal Bonds 0.10%
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
Largest Holdings [Text Block]
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
C000240402 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Wealth Builder Fund
Class Name Class R6
Trading Symbol DDERX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Wealth Builder Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class R6 $38 0.72%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.72% [9]
Net Assets $ 831,579,734
Holdings Count | Holding 711 [10]
Advisory Fees Paid, Amount $ 2,498,974
Investment Company Portfolio Turnover 32.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $831,579,734
Total number of portfolio holdings* 711
Total advisory fees paid (during reporting period) $2,498,974
Portfolio turnover rate 32%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Common Stocks 54.64%
Exchange-Traded Funds 14.17%
Corporate Bonds 13.53%
Agency Mortgage-Backed Securities 7.05%
US Treasury Obligations 3.36%
Non-Agency Commercial Mortgage-Backed Securities 2.73%
Non-Agency Collateralized Mortgage Obligations 1.06%
Collateralized Loan Obligations 1.00%
Non-Agency Asset-Backed Securities 0.81%
Municipal Bonds 0.10%
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
Largest Holdings [Text Block]
Top 10 equity holdings
NVIDIA 3.68%
Apple 2.65%
Microsoft 2.42%
Broadcom 1.74%
Alphabet Class A 1.60%
Micron Technology 1.41%
Exxon Mobil 1.40%
Cisco Systems 1.29%
Dell Technologies Class C 0.93%
QUALCOMM 0.85%
C000171462 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Value Fund
Class Name Class R6
Trading Symbol DVZRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Value Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class R6 $38 0.71%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.71% [11]
Net Assets $ 3,477,314,917
Holdings Count | Holding 102 [12]
Advisory Fees Paid, Amount $ 11,752,785
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $3,477,314,917
Total number of portfolio holdings* 102
Total advisory fees paid (during reporting period) $11,752,785
Portfolio turnover rate 12%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Financials 28.07%
Industrials 21.12%
Consumer Discretionary 9.02%
Real Estate 8.96%
Energy 8.46%
Information Technology 8.15%
Materials 6.17%
Utilities 5.70%
Healthcare 2.39%
Consumer Staples 0.76%
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
C000006380 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Value Fund
Class Name Class R
Trading Symbol DVLRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Value Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class R $71 1.33%
^
Annualized.
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.33% [13]
Net Assets $ 3,477,314,917
Holdings Count | Holding 102 [14]
Advisory Fees Paid, Amount $ 11,752,785
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $3,477,314,917
Total number of portfolio holdings* 102
Total advisory fees paid (during reporting period) $11,752,785
Portfolio turnover rate 12%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Financials 28.07%
Industrials 21.12%
Consumer Discretionary 9.02%
Real Estate 8.96%
Energy 8.46%
Information Technology 8.15%
Materials 6.17%
Utilities 5.70%
Healthcare 2.39%
Consumer Staples 0.76%
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
C000006381 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Value Fund
Class Name Institutional Class
Trading Symbol DEVIX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Value Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Institutional Class $45 0.83%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.83% [15]
Net Assets $ 3,477,314,917
Holdings Count | Holding 102 [16]
Advisory Fees Paid, Amount $ 11,752,785
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $3,477,314,917
Total number of portfolio holdings* 102
Total advisory fees paid (during reporting period) $11,752,785
Portfolio turnover rate 12%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Financials 28.07%
Industrials 21.12%
Consumer Discretionary 9.02%
Real Estate 8.96%
Energy 8.46%
Information Technology 8.15%
Materials 6.17%
Utilities 5.70%
Healthcare 2.39%
Consumer Staples 0.76%
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
C000006373 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Core Fund
Class Name Class A
Trading Symbol DCCAX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Core Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class A $55 1.04%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.04% [17]
Net Assets $ 5,475,450,464
Holdings Count | Holding 134 [18]
Advisory Fees Paid, Amount $ 18,425,440
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $5,475,450,464
Total number of portfolio holdings* 134
Total advisory fees paid (during reporting period) $18,425,440
Portfolio turnover rate 9%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Industrials 18.94%
Financials 17.84%
Healthcare 16.78%
Information Technology 15.74%
Consumer Discretionary 10.63%
Real Estate 6.40%
Energy 5.14%
Materials 3.46%
Utilities 2.54%
Communication Services 1.52%
Consumer Staples 0.94%
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
C000006374 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Core Fund
Class Name Class C
Trading Symbol DCCCX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Core Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class C $94 1.79%
^
Annualized.
Expenses Paid, Amount $ 94
Expense Ratio, Percent 1.79% [19]
Net Assets $ 5,475,450,464
Holdings Count | Holding 134 [20]
Advisory Fees Paid, Amount $ 18,425,440
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $5,475,450,464
Total number of portfolio holdings* 134
Total advisory fees paid (during reporting period) $18,425,440
Portfolio turnover rate 9%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Industrials 18.94%
Financials 17.84%
Healthcare 16.78%
Information Technology 15.74%
Consumer Discretionary 10.63%
Real Estate 6.40%
Energy 5.14%
Materials 3.46%
Utilities 2.54%
Communication Services 1.52%
Consumer Staples 0.94%
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
C000006375 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Core Fund
Class Name Class R
Trading Symbol DCCRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Core Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class R $68 1.29%
^
Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.29% [21]
Net Assets $ 5,475,450,464
Holdings Count | Holding 134 [22]
Advisory Fees Paid, Amount $ 18,425,440
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $5,475,450,464
Total number of portfolio holdings* 134
Total advisory fees paid (during reporting period) $18,425,440
Portfolio turnover rate 9%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Industrials 18.94%
Financials 17.84%
Healthcare 16.78%
Information Technology 15.74%
Consumer Discretionary 10.63%
Real Estate 6.40%
Energy 5.14%
Materials 3.46%
Utilities 2.54%
Communication Services 1.52%
Consumer Staples 0.94%
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
C000006376 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Core Fund
Class Name Institutional Class
Trading Symbol DCCIX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Core Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Institutional Class $42 0.79%
^
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.79% [23]
Net Assets $ 5,475,450,464
Holdings Count | Holding 134 [24]
Advisory Fees Paid, Amount $ 18,425,440
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $5,475,450,464
Total number of portfolio holdings* 134
Total advisory fees paid (during reporting period) $18,425,440
Portfolio turnover rate 9%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Industrials 18.94%
Financials 17.84%
Healthcare 16.78%
Information Technology 15.74%
Consumer Discretionary 10.63%
Real Estate 6.40%
Energy 5.14%
Materials 3.46%
Utilities 2.54%
Communication Services 1.52%
Consumer Staples 0.94%
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
C000171461 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Core Fund
Class Name Class R6
Trading Symbol DCZRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Core Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class R6 $36 0.69%
^
Annualized.
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.69% [25]
Net Assets $ 5,475,450,464
Holdings Count | Holding 134 [26]
Advisory Fees Paid, Amount $ 18,425,440
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $5,475,450,464
Total number of portfolio holdings* 134
Total advisory fees paid (during reporting period) $18,425,440
Portfolio turnover rate 9%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Industrials 18.94%
Financials 17.84%
Healthcare 16.78%
Information Technology 15.74%
Consumer Discretionary 10.63%
Real Estate 6.40%
Energy 5.14%
Materials 3.46%
Utilities 2.54%
Communication Services 1.52%
Consumer Staples 0.94%
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
Semtech 4.07%
MYR Group 2.03%
Modine Manufacturing 2.00%
Axsome Therapeutics 1.84%
Travere Therapeutics 1.80%
Credo Technology Group Holding 1.78%
Silicon Laboratories 1.66%
Ligand Pharmaceuticals 1.63%
Arcosa 1.57%
ESCO Technologies 1.55%
C000006377 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Value Fund
Class Name Class A
Trading Symbol DEVLX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Value Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class A $58 1.08%
^
Annualized.
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.08% [27]
Net Assets $ 3,477,314,917
Holdings Count | Holding 102 [28]
Advisory Fees Paid, Amount $ 11,752,785
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $3,477,314,917
Total number of portfolio holdings* 102
Total advisory fees paid (during reporting period) $11,752,785
Portfolio turnover rate 12%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Financials 28.07%
Industrials 21.12%
Consumer Discretionary 9.02%
Real Estate 8.96%
Energy 8.46%
Information Technology 8.15%
Materials 6.17%
Utilities 5.70%
Healthcare 2.39%
Consumer Staples 0.76%
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
C000006379 [Member]  
Shareholder Report [Line Items]  
Fund Name Nomura Small Cap Value Fund
Class Name Class C
Trading Symbol DEVCX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Nomura Small Cap Value Fund (Fund) for the period of December 1, 2025, to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at nomuraassetmanagement.com/literature. You can also request this information by contacting us at 800 523-1918, weekdays from 8:30am to 6:00pm ET.
Additional Information Phone Number 800 523-1918
Additional Information Website nomuraassetmanagement.com/literature
Expenses [Text Block]
What were the Fund's costs for the last six months ?
(Based on a hypothetical $10,000 investment)
Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment^
Class C $98 1.83%
^
Annualized.
Expenses Paid, Amount $ 98
Expense Ratio, Percent 1.83% [29]
Net Assets $ 3,477,314,917
Holdings Count | Holding 102 [30]
Advisory Fees Paid, Amount $ 11,752,785
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of May 31, 2026)
Fund net assets $3,477,314,917
Total number of portfolio holdings* 102
Total advisory fees paid (during reporting period) $11,752,785
Portfolio turnover rate 12%
*
Excludes cash and cash equivalents.
Holdings [Text Block]
Fund holdings (as of May 31, 2026)
The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Sector allocation*
Financials 28.07%
Industrials 21.12%
Consumer Discretionary 9.02%
Real Estate 8.96%
Energy 8.46%
Information Technology 8.15%
Materials 6.17%
Utilities 5.70%
Healthcare 2.39%
Consumer Staples 0.76%
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
*  Categorizations used for financial reporting purposes may differ from categorizations used for regulatory compliance and/or internal classification purposes.
Largest Holdings [Text Block]
Top 10 equity holdings
TTM Technologies 2.37%
Valley National Bancorp 1.92%
TD SYNNEX 1.86%
First Financial Bancorp 1.85%
Timken 1.76%
Hancock Whitney 1.68%
Old National Bancorp 1.66%
FNB 1.58%
Columbia Banking System 1.51%
Terex 1.43%
[1]
Annualized.
[2]
Excludes cash and cash equivalents.
[3]
Annualized.
[4]
Excludes cash and cash equivalents.
[5]
Annualized.
[6]
Excludes cash and cash equivalents.
[7]
Annualized.
[8]
Excludes cash and cash equivalents.
[9]
Annualized.
[10]
Excludes cash and cash equivalents.
[11] Annualized.
[12]
Excludes cash and cash equivalents.
[13]
Annualized.
[14]
Excludes cash and cash equivalents.
[15] Annualized.
[16]
Excludes cash and cash equivalents.
[17]
Annualized.
[18]
Excludes cash and cash equivalents.
[19]
Annualized.
[20]
Excludes cash and cash equivalents.
[21]
Annualized.
[22]
Excludes cash and cash equivalents.
[23]
Annualized.
[24]
Excludes cash and cash equivalents.
[25]
Annualized.
[26]
Excludes cash and cash equivalents.
[27]
Annualized.
[28]
Excludes cash and cash equivalents.
[29]
Annualized.
[30]
Excludes cash and cash equivalents.