Shareholder Fees	Apr. 24, 2026 USD ($)
NAA ALL CAP VALUE SERIES \| NAA ALL CAP VALUE SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	$ 0
NAA LARGE CAP VALUE SERIES \| NAA LARGE CAP VALUE SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA LARGE CORE SERIES \| NAA LARGE CORE SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA LARGE GROWTH SERIES \| NAA LARGE GROWTH SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA MID GROWTH SERIES \| NAA MID GROWTH SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA SMALL CAP VALUE SERIES \| NAA SMALL CAP VALUE SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA SMALL GROWTH SERIES \| NAA SMALL GROWTH SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA SMID-CAP VALUE SERIES \| NAA SMID-CAP VALUE SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	0
NAA WORLD EQUITY INCOME SERIES \| NAA WORLD EQUITY INCOME SERIES Class S
Prospectus [Line Items]
Shareholder Fee, Other	$ 0