v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
DGI U.S. Government Money Market Fund | Class A Withholding | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 93.70%
DGI U.S. Government Money Market Fund | Class A Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class A Withholding | Other Assets in Excess of Liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
DGI U.S. Government Money Market Fund | Class A Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Total Investments 100.00%
DGI U.S. Government Money Market Fund | Class A Withholding | United States Treasury Bill  
Holdings [Line Items]  
Percent of Net Asset Value 38.60%
DGI U.S. Government Money Market Fund | Class A Withholding | United States Treasury Bill 2  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
DGI U.S. Government Money Market Fund | Class A Withholding | United States Treasury Bill 3  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
DGI U.S. Government Money Market Fund | Class A Withholding | Federal Home Loan Bank  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 93.70%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | Other Assets in Excess of Liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Total Investments 100.00%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | United States Treasury Bill  
Holdings [Line Items]  
Percent of Net Asset Value 38.60%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | United States Treasury Bill 2  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | United States Treasury Bill 3  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
DGI U.S. Government Money Market Fund | Class A Non-Withholding | Federal Home Loan Bank  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class I Withholding | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 93.70%
DGI U.S. Government Money Market Fund | Class I Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class I Withholding | Other Assets in Excess of Liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
DGI U.S. Government Money Market Fund | Class I Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Total Investments 100.00%
DGI U.S. Government Money Market Fund | Class I Withholding | United States Treasury Bill  
Holdings [Line Items]  
Percent of Net Asset Value 38.60%
DGI U.S. Government Money Market Fund | Class I Withholding | United States Treasury Bill 2  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
DGI U.S. Government Money Market Fund | Class I Withholding | United States Treasury Bill 3  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
DGI U.S. Government Money Market Fund | Class I Withholding | Federal Home Loan Bank  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 93.70%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | Other Assets in Excess of Liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Total Investments 100.00%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | United States Treasury Bill  
Holdings [Line Items]  
Percent of Net Asset Value 38.60%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | United States Treasury Bill 2  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | United States Treasury Bill 3  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
DGI U.S. Government Money Market Fund | Class I Non-Withholding | Federal Home Loan Bank  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%