Shareholder Report, Average Annual Return (Details) 194325_The Kinetics Spin-off and Corporate Restructuring Fund_No Load Class_TSR Annual {No Load Class} |
12 Months Ended | 60 Months Ended | 97 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Without Sales Load [Member] | No Load Class | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | No Load Class (without sales charge) | ||
| Average Annual Return, Percent | (19.45%) | 18.68% | 15.01% |
| 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% | 14.31% |