v3.26.1
S000005533 [Member] Expense Example - Wilmington Broad Market Bond Fund
Apr. 30, 2026
USD ($)
Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 516
Expense Example, with Redemption, 3 Years 736
Expense Example, with Redemption, 5 Years 973
Expense Example, with Redemption, 10 Years 1,653
Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 44
Expense Example, with Redemption, 3 Years 166
Expense Example, with Redemption, 5 Years 300
Expense Example, with Redemption, 10 Years $ 689