v3.25.4
Shareholder Report, Average Annual Return (Details) 194409_Horizon Kinetics Energy and Remediation ETF_TF_TSR Annual {TF}
12 Months Ended 34 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Horizon Kinetics Energy and Remediation ETF    
Average Annual Return [Line Items]    
Line Graph and Table Measure Name Horizon Kinetics Energy and Remediation ETF NAV  
Average Annual Return, Percent 9.43% 11.60%
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% 22.44%