Fees and Expenses |
May 01, 2026
USD ($)
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| Royce International Premier Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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] |
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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 total 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 22% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 22.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Micro-Cap Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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] |
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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 total 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 38% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 38.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Premier Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Service Class in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 20% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 20.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 43% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 43.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Opportunity Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Service Class in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 51% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 51.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Special Equity Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Investment and Service Classes in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 12% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 12.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Total Return Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Service and Institutional Classes in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 59% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 59.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Value Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Investment and Service Classes in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 51% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 51.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Smaller-Companies Growth Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Investment, Service, and Institutional Classes in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 75% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 75.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce SMid-Cap Total Return Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Investment and Service Classes in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 47% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 47.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Micro-Cap Fund - Consultant Class | Royce Micro-Cap Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 38% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 38.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Premier Fund - Consultant Class | Royce Premier Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 20% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 20.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Fund - Consultant Class | Royce Small-Cap Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 43% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 43.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Opportunity Fund - Consultant & R Class | Royce Small-Cap Opportunity Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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] |
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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 total 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 51% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 51.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Special Equity Fund - Consultant Class | Royce Small-Cap Special Equity Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
|
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 12% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 12.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Total Return Fund - Consultant & R Class | Royce Small-Cap Total Return Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. Shares of the Fund purchased or held through a third party, such as a broker-dealer, bank, or other financial intermediary, may incur fees and expenses that are not reflected in the tables and examples below. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
|
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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 Fund with the cost of investing in other mutual funds.
The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem 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 Fund’s total operating expenses (net of fee waivers and/or expense reimbursements for the Consultant Class in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions 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 total 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 59% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 59.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Premier Fund - A Class | Royce Premier Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund.
You may qualify for Class A sales charge discounts from certain financial intermediaries if you and your family invest, or agree to invest in the future, at least $25,000 in certain Royce, Franklin Templeton, and Legg Mason funds. More information about these and other sales charge discounts and waivers is available from your financial intermediary, under the heading “General Shareholder Information−Sales Charges” in this Prospectus (pages 20-21), in Appendix A: Sales Charge Waivers and Discounts from Certain Financial Intermediaries, and under the heading “Sales Charge Waivers and Reductions for A Class Shares” in The Royce Fund’s Statement of Additional Information. “Financial intermediaries” include banks, brokers, dealers, insurance companies, investment advisers, financial consultants or advisers, and other financial intermediaries that have entered into an agreement with Royce Fund Services, LLC to sell Fund shares. |
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| Expense Breakpoint Discounts [Text] | You may qualify for Class A sales charge discounts from certain financial intermediaries if you and your family invest, or agree to invest in the future, at least $25,000 in certain Royce, Franklin Templeton, and Legg Mason funds. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 25,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual 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 total operating expenses (net of fee waivers and/or expense reimbursements in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions your costs would be: |
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| Expense Example, With Redemption [Table] |
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| Expense Example, No 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 total 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 20% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 20.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Fund - A Class | Royce Small-Cap Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for Class A sales charge discounts from certain financial intermediaries if you and your family invest, or agree to invest in the future, at least $25,000 in certain Royce, Franklin Templeton, and Legg Mason funds. More information about these and other sales charge discounts and waivers is available from your financial intermediary, under the heading “General Shareholder Information−Sales Charges” in this Prospectus (pages 20-21), in Appendix A: Sales Charge Waivers and Discounts from Certain Financial Intermediaries, and under the heading “Sales Charge Waivers and Reductions for A Class Shares” in The Royce Fund’s Statement of Additional Information. “Financial intermediaries” include banks, brokers, dealers, insurance companies, investment advisers, financial consultants or advisers, and other financial intermediaries that have entered into an agreement with Royce Fund Services, LLC to sell Fund shares. |
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| Expense Breakpoint Discounts [Text] | You may qualify for Class A sales charge discounts from certain financial intermediaries if you and your family invest, or agree to invest in the future, at least $25,000 in certain Royce, Franklin Templeton, and Legg Mason funds. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 25,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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] |
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| Expense Example, With Redemption [Table] |
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| Expense Example, No 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 total 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 43% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 43.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Royce Small-Cap Special Equity Fund - A Class | Royce Small-Cap Special Equity Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table presents the fees and expenses that you may pay if you buy and hold shares of the Fund.
You may qualify for Class A sales charge discounts from certain financial intermediaries if you and your family invest, or agree to invest in the future, at least $25,000 in certain Royce, Franklin Templeton, and Legg Mason funds. More information about these and other sales charge discounts and waivers is available from your financial intermediary, under the heading “General Shareholder Information−Sales Charges” in this Prospectus (pages 20-21), in Appendix A: Sales Charge Waivers and Discounts from Certain Financial Intermediaries, and under the heading “Sales Charge Waivers and Reductions for A Class Shares” in The Royce Fund’s Statement of Additional Information. “Financial intermediaries” include banks, brokers, dealers, insurance companies, investment advisers, financial consultants or advisers, and other financial intermediaries that have entered into an agreement with Royce Fund Services, LLC to sell Fund shares. |
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees [Table] |
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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 Fund with the cost of investing in other mutual 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 total operating expenses (net of fee waivers and/or expense reimbursements in year one) remain the same. Although your actual costs may be higher or lower, based on the assumptions your costs would be: |
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| Expense Example, With Redemption [Table] |
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| Expense Example, No 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 total 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 12% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | 12.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||