XML 10 R2.htm IDEA: XBRL DOCUMENT v3.25.2
Shareholder Report
 6 Months Ended
Apr. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Delaware Group Adviser Funds
Entity Central Index Key 0000910682
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2025
C000010956 [Member]  
Shareholder Report [Line Items]  
Fund Name Macquarie Diversified Income Fund(formerly, Delaware Diversified Income Fund)
Class Name Class A
Trading Symbol DPDFX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Macquarie Diversified Income Fund (Fund) for the period of November 1, 2024, to April 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at macquarie.com/mam/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 macquarie.com/mam/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 $34 0.67%
^
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67% [1]
Net Assets $ 2,662,470,827
Holdings Count | Holding 906
Advisory Fees Paid, Amount $ 3,607,490
Investment Company Portfolio Turnover 54.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of April 30, 2025)
Fund net assets $2,662,470,827
Total number of portfolio holdings 906
Total advisory fees paid $3,607,490
Portfolio turnover rate 54%
Holdings [Text Block]
Fund holdings (as of April 30, 2025)
The table below shows the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Corporate Bonds 35.03%
Agency Mortgage-Backed Securities 28.61%
US Treasury Obligations 10.67%
Non-Agency Commercial Mortgage-Backed Securities 8.35%
Non-Agency Asset-Backed Securities 4.12%
Loan Agreements 3.83%
Non-Agency Collateralized Mortgage Obligations 3.19%
Collateralized Loan Obligations 2.58%
Short-Term Investments 1.53%
Sovereign Bonds 1.29%
C000010958 [Member]  
Shareholder Report [Line Items]  
Fund Name Macquarie Diversified Income Fund(formerly, Delaware Diversified Income Fund)
Class Name Class C
Trading Symbol DPCFX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Macquarie Diversified Income Fund (Fund) for the period of November 1, 2024, to April 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at macquarie.com/mam/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 macquarie.com/mam/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 $71 1.42%
^
Annualized.
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.42% [2]
Net Assets $ 2,662,470,827
Holdings Count | Holding 906
Advisory Fees Paid, Amount $ 3,607,490
Investment Company Portfolio Turnover 54.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of April 30, 2025)
Fund net assets $2,662,470,827
Total number of portfolio holdings 906
Total advisory fees paid $3,607,490
Portfolio turnover rate 54%
Holdings [Text Block]
Fund holdings (as of April 30, 2025)
The table below shows the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Corporate Bonds 35.03%
Agency Mortgage-Backed Securities 28.61%
US Treasury Obligations 10.67%
Non-Agency Commercial Mortgage-Backed Securities 8.35%
Non-Agency Asset-Backed Securities 4.12%
Loan Agreements 3.83%
Non-Agency Collateralized Mortgage Obligations 3.19%
Collateralized Loan Obligations 2.58%
Short-Term Investments 1.53%
Sovereign Bonds 1.29%
C000171464 [Member]  
Shareholder Report [Line Items]  
Fund Name Macquarie Diversified Income Fund(formerly, Delaware Diversified Income Fund)
Class Name Class R6
Trading Symbol DPZRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Macquarie Diversified Income Fund (Fund) for the period of November 1, 2024, to April 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at macquarie.com/mam/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 macquarie.com/mam/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 $17 0.33%
^
Annualized.
Expenses Paid, Amount $ 17
Expense Ratio, Percent 0.33% [3]
Net Assets $ 2,662,470,827
Holdings Count | Holding 906
Advisory Fees Paid, Amount $ 3,607,490
Investment Company Portfolio Turnover 54.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of April 30, 2025)
Fund net assets $2,662,470,827
Total number of portfolio holdings 906
Total advisory fees paid $3,607,490
Portfolio turnover rate 54%
Holdings [Text Block]
Fund holdings (as of April 30, 2025)
The table below shows the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Corporate Bonds 35.03%
Agency Mortgage-Backed Securities 28.61%
US Treasury Obligations 10.67%
Non-Agency Commercial Mortgage-Backed Securities 8.35%
Non-Agency Asset-Backed Securities 4.12%
Loan Agreements 3.83%
Non-Agency Collateralized Mortgage Obligations 3.19%
Collateralized Loan Obligations 2.58%
Short-Term Investments 1.53%
Sovereign Bonds 1.29%
C000010960 [Member]  
Shareholder Report [Line Items]  
Fund Name Macquarie Diversified Income Fund(formerly, Delaware Diversified Income Fund)
Class Name Institutional Class
Trading Symbol DPFFX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Macquarie Diversified Income Fund (Fund) for the period of November 1, 2024, to April 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at macquarie.com/mam/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 macquarie.com/mam/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 $21 0.42%
^
Annualized.
Expenses Paid, Amount $ 21
Expense Ratio, Percent 0.42% [4]
Net Assets $ 2,662,470,827
Holdings Count | Holding 906
Advisory Fees Paid, Amount $ 3,607,490
Investment Company Portfolio Turnover 54.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of April 30, 2025)
Fund net assets $2,662,470,827
Total number of portfolio holdings 906
Total advisory fees paid $3,607,490
Portfolio turnover rate 54%
Holdings [Text Block]
Fund holdings (as of April 30, 2025)
The table below shows the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Corporate Bonds 35.03%
Agency Mortgage-Backed Securities 28.61%
US Treasury Obligations 10.67%
Non-Agency Commercial Mortgage-Backed Securities 8.35%
Non-Agency Asset-Backed Securities 4.12%
Loan Agreements 3.83%
Non-Agency Collateralized Mortgage Obligations 3.19%
Collateralized Loan Obligations 2.58%
Short-Term Investments 1.53%
Sovereign Bonds 1.29%
C000010959 [Member]  
Shareholder Report [Line Items]  
Fund Name Macquarie Diversified Income Fund(formerly, Delaware Diversified Income Fund)
Class Name Class R
Trading Symbol DPRFX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report contains important information about Macquarie Diversified Income Fund (Fund) for the period of November 1, 2024, to April 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at macquarie.com/mam/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 macquarie.com/mam/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 $46 0.92%
^
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.92% [5]
Net Assets $ 2,662,470,827
Holdings Count | Holding 906
Advisory Fees Paid, Amount $ 3,607,490
Investment Company Portfolio Turnover 54.00%
Additional Fund Statistics [Text Block]
Fund statistics (as of April 30, 2025)
Fund net assets $2,662,470,827
Total number of portfolio holdings 906
Total advisory fees paid $3,607,490
Portfolio turnover rate 54%
Holdings [Text Block]
Fund holdings (as of April 30, 2025)
The table below shows the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund.
Portfolio composition
Corporate Bonds 35.03%
Agency Mortgage-Backed Securities 28.61%
US Treasury Obligations 10.67%
Non-Agency Commercial Mortgage-Backed Securities 8.35%
Non-Agency Asset-Backed Securities 4.12%
Loan Agreements 3.83%
Non-Agency Collateralized Mortgage Obligations 3.19%
Collateralized Loan Obligations 2.58%
Short-Term Investments 1.53%
Sovereign Bonds 1.29%
[1] Annualized.
[2] Annualized.
[3] Annualized.
[4] Annualized.
[5] Annualized.