Investment Objectives and Goals |
Apr. 30, 2026 |
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| Kinetics Spin-Off And Corporate Restructuring Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Kinetics Spin-off and Corporate Restructuring Fund |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | The Kinetics Spin-off and Corporate Restructuring Fund (the “Fund”) seeks to achieve long-term growth of capital. |
| No Load Class Prospectus | Kinetics Internet Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE INTERNET FUND |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | The investment objective of the Internet Fund is long-term growth of capital. |
| Objective, Secondary [Text Block] | The Internet Fund seeks to obtain current income as a secondary objective. The Internet Fund is the sole “feeder fund” to The Internet Portfolio, a series of Kinetics Portfolios Trust. |
| No Load Class Prospectus | Kinetics Global Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE GLOBAL FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Global Fund is long-term growth of capital. The Global Fund is the sole “feeder fund” to The Global Portfolio, a series of Kinetics Portfolios Trust.
|
| No Load Class Prospectus | Kinetics Paradigm Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE PARADIGM FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Paradigm Fund is long-term growth of capital. |
| No Load Class Prospectus | Kinetics Small Cap Opportunities Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE SMALL CAP OPPORTUNITIES FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Small Cap Opportunities Fund (the “Small Cap Fund”) is long-term growth of capital. The Small Cap Fund is the sole “feeder fund” to The Small Cap Opportunities Portfolio (the “Small Cap Portfolio”), a series of Kinetics Portfolios Trust.
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| No Load Class Prospectus | Kinetics Market Opportunities Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE MARKET OPPORTUNITIES FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Market Opportunities Fund is long-term growth of capital. The Market Opportunities Fund is the sole “feeder fund” to The Market Opportunities Portfolio, a series of Kinetics Portfolios Trust. |
| No Load Class Prospectus | Kinetics Multi-Disciplinary Income Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE MULTI-DISCIPLINARY INCOME FUND |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | The investment objective of the Multi-Disciplinary Income Fund is total return. The Multi-Disciplinary Income Fund is the sole “feeder fund” to The Multi-Disciplinary Income Portfolio, a series of Kinetics Portfolios Trust. |
| Advisor A & C Prospectus | Kinetics Internet Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE INTERNET FUND |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | The investment objective of the Internet Fund is long-term growth of capital. |
| Objective, Secondary [Text Block] | The Internet Fund seeks to obtain current income as a secondary objective. The Internet Fund is the sole “feeder fund” to The Internet Portfolio, a series of Kinetics Portfolios Trust. |
| Advisor A & C Prospectus | Kinetics Global Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE GLOBAL FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Global Fund is long-term growth of capital. The Global Fund is the sole “feeder fund” to The Global Portfolio, a series of Kinetics Portfolios Trust. |
| Advisor A & C Prospectus | Kinetics Paradigm Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE PARADIGM FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Paradigm Fund is long-term growth of capital. |
| Advisor A & C Prospectus | Kinetics Small Cap Opportunities Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE SMALL CAP OPPORTUNITIES FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Small Cap Opportunities Fund (the “Small Cap Fund”) is long-term growth of capital. The Small Cap Fund is the sole “feeder fund” to The Small Cap Opportunities Portfolio (the “Small Cap Portfolio”), a series of Kinetics Portfolios Trust. |
| Advisor A & C Prospectus | Kinetics Market Opportunities Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE MARKET OPPORTUNITIES FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Market Opportunities Fund is long-term growth of capital. The Market Opportunities Fund is the sole “feeder fund” to The Market Opportunities Portfolio, a series of Kinetics Portfolios Trust.
|
| Institutional Class Prospectus | Kinetics Internet Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE INTERNET FUND |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | The investment objective of the Internet Fund is long-term growth of capital. |
| Objective, Secondary [Text Block] | The Internet Fund seeks to obtain current income as a secondary objective. The Internet Fund is the sole “feeder fund” to The Internet Portfolio, a series of Kinetics Portfolios Trust.
|
| Institutional Class Prospectus | Kinetics Global Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE GLOBAL FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Global Fund is long-term growth of capital. The Global Fund is the sole “feeder fund” to The Global Portfolio, a series of Kinetics Portfolios Trust.
|
| Institutional Class Prospectus | Kinetics Paradigm Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE PARADIGM FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Paradigm Fund is long-term growth of capital. |
| Institutional Class Prospectus | Kinetics Small Cap Opportunities Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE SMALL CAP OPPORTUNITIES FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Small Cap Opportunities Fund (the “Small Cap Fund”) is long-term growth of capital. The Small Cap Fund is the sole “feeder fund” to The Small Cap Opportunities Portfolio (the “Small Cap Portfolio”), a series of Kinetics Portfolios Trust.
|
| Institutional Class Prospectus | Kinetics Market Opportunities Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | THE MARKET OPPORTUNITIES FUND |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Market Opportunities Fund is long-term growth of capital. The Market Opportunities Fund is the sole “feeder fund” to The Market Opportunities Portfolio, a series of Kinetics Portfolios Trust.
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