Label	Element	Value
Horizon Kinetics Blockchain Development ETF \| Urbana Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	8.00%
Horizon Kinetics Blockchain Development ETF \| Cboe Global Markets, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	6.80%
Horizon Kinetics Blockchain Development ETF \| Nasdaq, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	6.00%
Horizon Kinetics Blockchain Development ETF \| TMX Group Ltd. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	6.00%
Horizon Kinetics Blockchain Development ETF \| Singapore Exchange Ltd. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.70%
Horizon Kinetics Blockchain Development ETF \| Intercontinental Exchange, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.40%
Horizon Kinetics Blockchain Development ETF \| CACI International, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.90%
Horizon Kinetics Blockchain Development ETF \| Deutsche Boerse AG [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.60%
Horizon Kinetics Blockchain Development ETF \| Miami International Holdings, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.00%
Horizon Kinetics Blockchain Development ETF \| Hawaiian Electric Industries, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.80%
Horizon Kinetics Blockchain Development ETF \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.80%
Horizon Kinetics Blockchain Development ETF \| United States
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	56.80%
Horizon Kinetics Blockchain Development ETF \| Canada
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	14.00%
Horizon Kinetics Blockchain Development ETF \| Singapore
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.60%
Horizon Kinetics Blockchain Development ETF \| Japan
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.20%
Horizon Kinetics Blockchain Development ETF \| Germany
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.60%
Horizon Kinetics Blockchain Development ETF \| United Kingdom
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.00%
Horizon Kinetics Blockchain Development ETF \| Australia
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.90%
Horizon Kinetics Blockchain Development ETF \| Netherlands
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	1.30%
Horizon Kinetics Blockchain Development ETF \| Greece
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	0.80%
Horizon Kinetics Blockchain Development ETF \| Common Stocks [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	93.70%
Horizon Kinetics Blockchain Development ETF \| Exchange Traded Funds [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	1.00%
Horizon Kinetics Blockchain Development ETF \| Cash & others [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.30%

Horizon Kinetics Blockchain Development ETF | Urbana Corp. [Member]