v3.25.4
Shareholder Report, Line Graph (Details) 194325_The Kinetics Spin-off and Corporate Restructuring Fund_No Load Class_TSR Annual {No Load Class} - 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. 11, 2017
Dec. 31, 2025
No Load Class                  
Account Value [Line Items]                  
Accumulated Value $ 38,285 $ 20,982 $ 26,094 $ 18,714 $ 13,096 $ 12,421 $ 9,458 $ 10,000 $ 30,839
S&P 500 TR [Member]                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 S&P 500 TR
Accumulated Value $ 24,918 $ 19,931 $ 15,782 $ 19,273 $ 14,974 $ 12,647 $ 9,619 $ 10,000 $ 29,373