Fees and Expenses |
Sep. 24, 2026 |
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| Weitz Core Plus Bond ETF | ||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund. | |||||||||||||||
| Expense Narrative [Text Block] | This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Core Plus 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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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) | |||||||||||||||
| 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 Core Plus Fund with the cost of investing in other mutual funds. |
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| Expense Example by, Year, Caption [Text] | The Example assumes that you invest $10,000 in the Core Plus Fund for the time periods indicated and then sell all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Core Plus Funds operating expenses remain the same. The fee waiver/expense reimbursement arrangement discussed in the table above is reflected only through September 30, 2027. Although your actual costs may be higher or lower, based on these assumptions, your costs would be: | |||||||||||||||
| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover. | |||||||||||||||
| Portfolio Turnover [Text Block] | The Core Plus 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 Core Plus Fund shares are held in a taxable account. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the Example, affect the Core Plus Funds performance. From August 12, 2025 (inception date) through May 31, 2026, the Funds portfolio turnover rate was 23% of the average value of the portfolio for such period of time. |
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| Portfolio Turnover, Rate | 23.00% | |||||||||||||||
| Weitz Multisector Bond ETF | ||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund. | |||||||||||||||
| Expense Narrative [Text Block] | This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Multisector 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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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) | |||||||||||||||
| 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 Multisector Fund with the cost of investing in other mutual funds. |
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| Expense Example by, Year, Caption [Text] | The Example assumes that you invest $10,000 in the Multisector Fund for the time periods indicated and then sell all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Multisector Funds operating expenses remain the same. The fee waiver/expense reimbursement arrangement discussed in the table above is reflected only through September 30, 2027. Although your actual costs may be higher or lower, based on these assumptions, your costs would be: | |||||||||||||||
| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover. | |||||||||||||||
| Portfolio Turnover [Text Block] | The Multisector 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 Total Annual Fund Operating Expenses or in the Example, affect the Multisector Funds performance. From November 4, 2025 (inception date) through May 31, 2026, the Funds portfolio turnover rate was 40% of the average value of the portfolio for such period of time. |
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| Portfolio Turnover, Rate | 40.00% | |||||||||||||||
| Weitz Short Duration Bond ETF | ||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund. | |||||||||||||||
| Expense Narrative [Text Block] | This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Short Duration 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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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) | |||||||||||||||
| 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 Short Duration Fund with the cost of investing in other mutual funds. |
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| Expense Example by, Year, Caption [Text] | The Example assumes that you invest $10,000 in the Short Duration Fund for the time periods indicated and then sell all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Short Duration Funds operating expenses remain the same. The fee waiver/expense reimbursement arrangement discussed in the table above is reflected only through September 30, 2027. Although your actual costs may be higher or lower, based on these assumptions, your costs would be: | |||||||||||||||
| Expense Example, With Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover. | |||||||||||||||
| Portfolio Turnover [Text Block] | The Short Duration 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 Total Annual Fund Operating Expenses or in the Example, affect the Short Duration Funds performance. From March 31, 2026 (inception date) through May 31, 2026, the Short Duration Funds portfolio turnover rate was 2.00% of the average value of the portfolio for such period of time. |
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| Portfolio Turnover, Rate | 2.00% |