Shareholder Report, Average Annual Return (Details) 194407_Horizon Kinetics Medical ETF_TF_TSR Annual {TF} |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Horizon Kinetics Medical ETF | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Horizon Kinetics Medical ETF NAV | ||
| Average Annual Return, Percent | 28.46% | 5.80% | 5.67% |
| S&P 500 TR [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500 TR | ||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% |