v3.25.4
Shareholder Report, Average Annual Return (Details) 194325_The Kinetics Spin-off and Corporate Restructuring Fund_Advisor Class A_TSR Annual {Advisor Class A}
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Advisor Class A      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Advisor Class A (with sales charge)    
Average Annual Return, Percent (24.13%) 17.23% 13.76%
Without Sales Load [Member] | Advisor Class A      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Advisor Class A (without sales charge)    
Average Annual Return, Percent (19.50%) 18.62% 14.43%
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%