Fees and Expenses |
Jul. 29, 2026 |
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| KraneShares 90% KWEB Defined Outcome January 2027 ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the fiscal year ended March 31, 2026, the Fund’s portfolio turnover rate was 1% of the average value of its portfolio. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | 1.00% | |||||||||||||||||||||||
| KraneShares 100% KWEB Defined Outcome January 2027 ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the fiscal year ended March 31, 2026, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. The Fund may incur a high portfolio turnover rate, which may increase the Fund’s brokerage commission costs, generate net short-term capital gains and negatively impact the Fund’s performance. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares Asia Pacific High Income USD Bond ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 198% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 198.00% | |||||||||||||||||||||||
| KraneShares Bosera MSCI China A 50 Connect Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 55% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 55.00% | |||||||||||||||||||||||
| KraneShares California Carbon Allowance Strategy ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy and hold shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] | “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares of other investment companies (such as exchange-traded funds). They are not direct operating expenses paid by Fund shareholders and are not used to calculate the Fund’s net asset value (“NAV”). In addition, “Acquired Fund Fees and Expenses” will not be reflected in the Fund’s Financial Statements in its shareholder report. Therefore, the amounts listed in “Total Annual Fund Operating Expenses” and “Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursement” will differ from those presented in the Fund’s Financial Highlights. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 42% of the average value of its portfolio. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | 42.00% | |||||||||||||||||||||||
| KraneShares China Alpha Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 174% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 174.00% | |||||||||||||||||||||||
| KraneShares China Technology & Semiconductor STAR 50 Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 188% of the average of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 188.00% | |||||||||||||||||||||||
| KraneShares CSI China Internet ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 45% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 45.00% | |||||||||||||||||||||||
| KraneShares Dragon Capital Growth of Vietnam Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. From the Fund’s inception, December 2, 2025, the Fund’s portfolio turnover rate was 29% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 29.00% | |||||||||||||||||||||||
| KraneShares Electric Vehicles and Future Mobility Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 69% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 69.00% | |||||||||||||||||||||||
| KraneShares Global Carbon Strategy ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy and hold shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] | “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares of other investment companies (such as exchange-traded funds). They are not direct operating expenses paid by Fund shareholders and are not used to calculate the Fund’s net asset value (“NAV”). In addition, “Acquired Fund Fees and Expenses” will not be reflected in the Fund’s Financial Statements in its shareholder report. Therefore, the amounts listed in “Total Annual Fund Operating Expenses” and “Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursement” will differ from those presented in the Fund’s Financial Highlights. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 50% of the average value of its portfolio. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | 50.00% | |||||||||||||||||||||||
| KraneShares Global Humanoid Robotics and Physical AI Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. From the Fund’s inception date, June 4, 2025, the Fund’s portfolio turnover rate was 44% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 44.00% | |||||||||||||||||||||||
| KraneShares Hang Seng TECH Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 71% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 71.00% | |||||||||||||||||||||||
| KraneShares Hedgeye Hedged Equity Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 30% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 30.00% | |||||||||||||||||||||||
| KraneShares High-Bandwidth Memory ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. Because the Fund has not commenced investment operations prior to the date of this prospectus, it does not have portfolio turnover information for the prior fiscal year to report. |
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| KraneShares InspereX Nasdaq Dynamic Buffered High Income Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 3% of the average value of its portfolio. The Fund may incur a high portfolio turnover rate, which may increase the Fund’s brokerage commission costs, generate net short-term capital gains and negatively impact the Fund’s performance. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | 3.00% | |||||||||||||||||||||||
| KraneShares KWEB Covered Call Strategy ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] | “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares of other investment companies (such as exchange-traded funds). They are not direct operating expenses paid by Fund shareholders and are not used to calculate the Fund’s net asset value (“NAV”). In addition, “Acquired Fund Fees and Expenses” will not be reflected in the Fund’s Financial Statements in its shareholder report. Therefore, the amounts listed in “Total Annual Fund Operating Expenses” will differ from those presented in the Fund’s Financial Highlights. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 397% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 397.00% | |||||||||||||||||||||||
| KraneShares Man Buyout Beta Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 76% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 76.00% | |||||||||||||||||||||||
| KraneShares Mount Lucas Managed Futures Index Strategy ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares MSCI All China Health Care Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 73% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 73.00% | |||||||||||||||||||||||
| KraneShares MSCI China Clean Technology Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 35% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 35.00% | |||||||||||||||||||||||
| KraneShares MSCI Emerging Markets ex China Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 27% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 27.00% | |||||||||||||||||||||||
| KraneShares MSCI One Belt One Road Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 29% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 29.00% | |||||||||||||||||||||||
| KraneShares Public-Private AI & Technology ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 70% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 70.00% | |||||||||||||||||||||||
| KraneShares Public-Private Emerging Markets Internet and Technology ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 72% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 72.00% | |||||||||||||||||||||||
| KraneShares Sustainable Ultra Short Duration Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. Regulations require that the portfolio turnover rate be calculated without regard to trades of short-term cash instruments, in-kind transactions or derivatives transactions, which may comprise a significant portion of the Fund’s trading. If such trades were reflected, the calculated portfolio turnover rate may be significantly higher. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares Value Line(R) Dynamic Dividend Equity Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 112% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares. |
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| Portfolio Turnover, Rate | 112.00% | |||||||||||||||||||||||
| KraneShares Wahed Alternative Income Index ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 1% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 1.00% | |||||||||||||||||||||||
| Quadratic Interest Rate Volatility and Inflation Hedge ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares and is calculated without regard to most derivatives. If such instruments were included, the Fund’s portfolio turnover rate would be higher. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| Quadratic Deflation ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares and is calculated without regard to most derivatives. If such instruments were included, the Fund’s portfolio turnover rate would be higher. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares 2x Long BABA Daily ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except that it reflects the Fee Waiver for the period described above. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the fiscal year ending March 31, 2026, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares 2x Long BIDU Daily ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
|
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the period November 19, 2025 to March 31, 2026, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares 2x Long JD Daily ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be: |
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the period October 14, 2025 to March 31, 2026, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares 2x Long MELI Daily ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||||||||||||||||||||
| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be: |
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the period June 11, 2025 to March 31, 2026, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | |||||||||||||||||||||||
| KraneShares 2x Long PDD Daily ETF | ||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | |||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Shareholder Fees [Table] |
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| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | |||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be: |
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| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | |||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For the fiscal year ending March 31, 2026, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none |