v3.24.3
Expense Example, No Redemption - Class C
Prospectus #1
Delaware Corporate Bond Fund
Expense Example, No Redemption, 1 Year
Prospectus #1
Delaware Corporate Bond Fund
Expense Example, No Redemption, 3 Years
Prospectus #1
Delaware Corporate Bond Fund
Expense Example, No Redemption, 5 Years
Prospectus #1
Delaware Corporate Bond Fund
Expense Example, No Redemption, 10 Years
Prospectus #1
Delaware Extended Duration Bond Fund
Expense Example, No Redemption, 1 Year
Prospectus #1
Delaware Extended Duration Bond Fund
Expense Example, No Redemption, 3 Years
Prospectus #1
Delaware Extended Duration Bond Fund
Expense Example, No Redemption, 5 Years
Prospectus #1
Delaware Extended Duration Bond Fund
Expense Example, No Redemption, 10 Years
Prospectus #2
Delaware Floating Rate Fund
Expense Example, No Redemption, 1 Year
Prospectus #2
Delaware Floating Rate Fund
Expense Example, No Redemption, 3 Years
Prospectus #2
Delaware Floating Rate Fund
Expense Example, No Redemption, 5 Years
Prospectus #2
Delaware Floating Rate Fund
Expense Example, No Redemption, 10 Years
USD ($) 157 514 895 1,965 159 528 923 2,027 172 533 918 1,998