Shareholder Report, Line Graph (Details) 194407_Horizon Kinetics Medical ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2025 |
|
| Horizon Kinetics Medical ETF | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Horizon Kinetics Medical ETF NAV | ||||||||||
| Accumulated Value | $ 13,517 | $ 14,187 | $ 15,097 | $ 14,488 | $ 13,100 | $ 12,014 | $ 10,353 | $ 10,183 | $ 9,199 | $ 10,000 | $ 17,363 |
| S&P 500 TR [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P 500 TR | ||||||||||
| Accumulated Value | $ 33,786 | $ 27,025 | $ 21,399 | $ 26,132 | $ 20,304 | $ 17,149 | $ 13,042 | $ 13,640 | $ 11,196 | $ 10,000 | $ 39,827 |