v3.26.1
Fees and Expenses
Jul. 10, 2026
Horizon Active Asset Allocation Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Allocation 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 Allocation 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.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example. This Example is intended to help you compare the cost of investing in the Allocation Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Allocation 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 Allocation Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Allocation 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 annual fund operating expenses or in the Example, affect the Allocation Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Allocation Fund’s portfolio turnover rate was 90% of the average value of the portfolio.

Portfolio Turnover, Rate 90.00%
Horizon Active Risk Assist Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Risk Assist 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 Risk Assist 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.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example: This Example is intended to help you compare the cost of investing in the Risk Assist Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Risk Assist 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 Risk Assist Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Risk Assist 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 annual fund operating expenses or in the Example, affect the Risk Assist Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Risk Assist Fund’s portfolio turnover rate was 172% of the average value of the portfolio.

Portfolio Turnover, Rate 172.00%
Horizon Active Income Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Income 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 Income 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.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example. This Example is intended to help you compare the cost of investing in the Income Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Income 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 Income Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Income 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 annual fund operating expenses or in the Example, affect the Income Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Income Fund’s portfolio turnover rate was 93% of the average value of the portfolio.

Portfolio Turnover, Rate 93.00%
Horizon Equity Premium Income Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Equity Premium Income 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 Equity Premium Income 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.

Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example. This Example is intended to help you compare the cost of investing in the Equity Premium Income Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Equity Premium Income 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 Equity Premium Income Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Equity Premium Income 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 annual fund operating expenses or in the Example, affect the Equity Premium Income Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Equity Premium Income Fund’s portfolio turnover rate was 10% of the average value of the portfolio.

Portfolio Turnover, Rate 10.00%
Horizon Defined Risk Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Defined Risk 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 Defined Risk 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.

Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example: This Example is intended to help you compare the cost of investing in the Defined Risk Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Defined Risk 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 Defined Risk Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Defined Risk 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 annual fund operating expenses or in the Example, affect the Defined Risk Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Defined Risk Fund’s portfolio turnover rate was 13% of the average value of the portfolio.

Portfolio Turnover, Rate 13.00%
Horizon Multi-Factor U.S. Equity Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Multi-Factor U.S. Equity 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 Multi-Factor U.S. Equity 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.

Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example: This Example is intended to help you compare the cost of investing in the Multi-Factor U.S. Equity Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Multi-Factor U.S. Equity 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 Multi-Factor U.S. Equity Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Multi-Factor U.S. Equity 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 annual fund operating expenses or in the Example, affect the Multi-Factor U.S. Equity Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Multi-Factor U.S. Equity Fund’s portfolio turnover rate was 134% of the average value of the portfolio.

Portfolio Turnover, Rate 134.00%
Horizon Defensive Core Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Defensive Core 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 Defensive Core 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.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example: This Example is intended to help you compare the cost of investing in the Defensive Core Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Defensive Core 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 Defensive Core Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Defensive Core 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 annual fund operating expenses or in the Example, affect the Defensive Core Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Defensive Core Fund’s portfolio turnover rate was 216% of the average value of the portfolio.

Portfolio Turnover, Rate 216.00%
Horizon Tactical Fixed Income Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Tactical Income 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 Tactical Income 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.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example: This Example is intended to help you compare the cost of investing in the Tactical Income Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Tactical Income 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 Tactical Income Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Tactical Income 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 annual fund operating expenses or in the Example, affect the Tactical Income Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Tactical Income Fund’s portfolio turnover rate was 421% of the average value of the portfolio.

Portfolio Turnover, Rate 421.00%
Horizon Multi-Factor Small/Mid Cap Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Multi-Factor Small/Mid Cap 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 Multi-Factor Small/Mid Cap 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.

Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses(expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example. This Example is intended to help you compare the cost of investing in the Multi-Factor Small/Mid Cap Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Multi-Factor Small/Mid Cap 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 Multi-Factor Small/Mid Cap Fund’s operating expenses remain the same (taking into account the contractual expense limitation). The fee waiver/expense reimbursement arrangement discussed in the table above is reflected only through March 31, 2027. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Multi-Factor Small/Mid Cap 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 annual fund operating expenses or in the Example, affect the Multi-Factor Small/Mid Cap Fund’s performance. During the most recent fiscal year ended November 30, 2025, the Multi-Factor Small/Mid Cap Fund’s portfolio turnover rate was 146% of the average value of the portfolio.

Portfolio Turnover, Rate 146.00%
Centre American Select Equity Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Select Equity 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 Select Equity 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.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses(expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example. This Example is intended to help you compare the cost of investing in the Select Equity Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Select Equity 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 Select Equity Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Select Equity 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 annual fund operating expenses or in the Example, affect the Select Equity Fund’s performance. During the fiscal period of October 1, 2025 to November 30, 2025, the portfolio turnover rate for the Select Equity Fund was 29% of the average value of the portfolio.

Portfolio Turnover, Rate 29.00%
Centre Global Infrastructure Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Global Infrastructure 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 Global Infrastructure 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.

Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses(expenses that you pay each year as a percentage of the value of your investment)
Expense Example Narrative [Text Block]

Example. This Example is intended to help you compare the cost of investing in the Global Infrastructure Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Global Infrastructure 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 Global Infrastructure Fund’s operating expenses remain the same (taking into account the contractual expense limitation). The fee waiver/expense reimbursement arrangement discussed in the table above is reflected only through March 31, 2028. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Portfolio Turnover [Text Block]

Portfolio Turnover. The Global Infrastructure 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 annual fund operating expenses or in the Example, affect the Global Infrastructure Fund’s performance. During the fiscal period of October 1, 2025 to November 30, 2025, the portfolio turnover rate for the Global Infrastructure Fund was 8% of the average value of the portfolio.

Portfolio Turnover, Rate 8.00%