Label	Element	Value
Abacus Flexible Bond Leaders ETF \| Mount Vernon Liquid Assets Portfolio, LLC [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	19.50%
Abacus Flexible Bond Leaders ETF \| Vanguard Short-Term Treasury ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.60%
Abacus Flexible Bond Leaders ETF \| iShares MBS ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.40%
Abacus Flexible Bond Leaders ETF \| iShares iBoxx USD Investment Grade Corporate Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.20%
Abacus Flexible Bond Leaders ETF \| iShares 10-20 Year Treasury Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.00%
Abacus Flexible Bond Leaders ETF \| VanEck J. P. Morgan EM Local Currency Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.20%
Abacus Flexible Bond Leaders ETF \| iShares 0-5 Year High Yield Corporate Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.10%
Abacus Flexible Bond Leaders ETF \| iShares J.P. Morgan USD Emerging Markets Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.00%
Abacus Flexible Bond Leaders ETF \| Exchange Traded Funds [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	99.30%
Abacus Flexible Bond Leaders ETF \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	0.70%