v3.26.1
Expense Example
Apr. 24, 2026
USD ($)
NAA ALL CAP VALUE SERIES | NAA ALL CAP VALUE SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 106
Expense Example, with Redemption, 3 Years 354
Expense Example, with Redemption, 5 Years 622
Expense Example, with Redemption, 10 Years 1,388
NAA LARGE CAP VALUE SERIES | NAA LARGE CAP VALUE SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 98
Expense Example, with Redemption, 3 Years 325
Expense Example, with Redemption, 5 Years 571
Expense Example, with Redemption, 10 Years 1,274
NAA LARGE CORE SERIES | NAA LARGE CORE SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 347
Expense Example, with Redemption, 5 Years 617
Expense Example, with Redemption, 10 Years 1,389
NAA LARGE CORE SERIES | NAA LARGE CORE SERIES Class L  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 268
Expense Example, with Redemption, 5 Years 482
Expense Example, with Redemption, 10 Years 1,099
NAA LARGE GROWTH SERIES | NAA LARGE GROWTH SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 103
Expense Example, with Redemption, 3 Years 356
Expense Example, with Redemption, 5 Years 628
Expense Example, with Redemption, 10 Years 1,406
NAA LARGE GROWTH SERIES | NAA LARGE GROWTH SERIES Class L  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 78
Expense Example, with Redemption, 3 Years 277
Expense Example, with Redemption, 5 Years 494
Expense Example, with Redemption, 10 Years 1,117
NAA MID GROWTH SERIES | NAA MID GROWTH SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 109
Expense Example, with Redemption, 3 Years 364
Expense Example, with Redemption, 5 Years 638
Expense Example, with Redemption, 10 Years 1,422
NAA SMALL CAP VALUE SERIES | NAA SMALL CAP VALUE SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 119
Expense Example, with Redemption, 3 Years 397
Expense Example, with Redemption, 5 Years 696
Expense Example, with Redemption, 10 Years 1,546
NAA SMALL GROWTH SERIES | NAA SMALL GROWTH SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 116
Expense Example, with Redemption, 3 Years 422
Expense Example, with Redemption, 5 Years 750
Expense Example, with Redemption, 10 Years 1,678
NAA SMID-CAP VALUE SERIES | NAA SMID-CAP VALUE SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 109
Expense Example, with Redemption, 3 Years 364
Expense Example, with Redemption, 5 Years 638
Expense Example, with Redemption, 10 Years 1,422
NAA WORLD EQUITY INCOME SERIES | NAA WORLD EQUITY INCOME SERIES Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 108
Expense Example, with Redemption, 3 Years 363
Expense Example, with Redemption, 5 Years 637
Expense Example, with Redemption, 10 Years 1,421
NAA WORLD EQUITY INCOME SERIES | NAA WORLD EQUITY INCOME SERIES Class L  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 83
Expense Example, with Redemption, 3 Years 284
Expense Example, with Redemption, 5 Years 503
Expense Example, with Redemption, 10 Years $ 1,132