v3.26.3
Shareholder Report, Average Annual Return (Details) 192033_Campbell Systematic Macro Fund_Class A_TSR Annual {Class A}
 12 Months Ended 60 Months Ended 120 Months Ended
Aug. 31, 2026
Aug. 31, 2026
Aug. 31, 2026
Class A      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name [1] Class A (with sales charge)**    
Average Annual Return, Percent [1] 4.72% 7.86% 5.15%
Without Sales Load [Member] | Class A      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name [1] Class A (without sales charge)**    
Average Annual Return, Percent [1] 8.55% 8.64% 5.53%
S&P 500 Total Return Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name S&P 500 Total Return Index    
Average Annual Return, Percent 20.38% 12.79% 15.37%
Barclay BTOP50 Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Barclay BTOP50 Index    
Average Annual Return, Percent 18.28% 6.91% 4.31%
SG CTA Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name SG CTA Index    
Average Annual Return, Percent 18.41% 5.58% 3.46%
[1]
** The Fund commenced operations on March 8, 2013 as a separate portfolio (the “Predecessor Fund”) of Equinox Funds Trust. Effective May 29, 2020, the Predecessor Fund was reorganized as a new series of The RBB Fund, Inc. The performance shown for periods prior to May 29, 2020 represents the performance of the Predecessor Fund.