Shareholder Report, Line Graph (Details) 194325_The Kinetics Spin-off and Corporate Restructuring Fund_Advisor Class C_TSR Annual {Advisor Class C} - 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 |
|
| Advisor Class C | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Advisor Class C (with sales charge) | ||||||||||
| Accumulated Value | $ 44,644 | $ 24,659 | $ 30,919 | $ 22,347 | $ 15,768 | $ 15,093 | $ 11,580 | $ 12,725 | $ 11,090 | $ 10,000 | $ 35,677 |
| 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 |