v3.25.2
CLASS I [Member] Annual Fund Operating Expenses - CLASS I [Member] - NICHOLAS EQUITY INCOME FUND INC - CLASS I
Mar. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.61%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.09%
Expenses (as a percentage of Assets) 0.70%