v3.26.3
Shareholder Report, Line Graph (Details) 199149_Abacus FCF Real Assets Leaders ETF_TF_TSR Annual {TF} - USD ($)
12 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Dec. 13, 2021
Jul. 31, 2026
Abacus FCF Real Assets Leaders ETF            
Account Value [Line Items]            
Line Graph and Table Measure Name           Abacus FCF Real Assets Leaders ETF NAV
Accumulated Value $ 14,585 $ 14,565 $ 12,571 $ 10,688 $ 10,000 $ 16,313
S&P 500 TR [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           S&P 500 TR
Accumulated Value 14,341 12,327 10,092 8,930 10,000 $ 17,146
S&P Real Assets Equity Index (Net TR) [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           S&P Real Assets Equity Index (Net TR)
Accumulated Value 11,015 10,234 9,602 9,903 10,000 $ 13,286
Abacus FCF Real Assets Leaders Index [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           Abacus FCF Real Assets Leaders Index
Accumulated Value $ 14,429 $ 14,409 $ 12,482 $ 10,658 $ 10,000 $ 16,532