Fees and Expenses	Aug. 01, 2026
HORIZON EXPANSION LEADERS ETF
Prospectus [Line Items]
Expense Heading [Optional Text]	Fees and Expenses of the Expansion Leaders 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 Expansion Leaders 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 Expansion Leaders Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Expansion Leaders 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 Expansion Leaders 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 Expansion Leaders 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 Expansion Leaders Fund’s performance. Because the Fund is newly organized, portfolio turnover information is not yet available.
HORIZON HIGH INCOME ETF
Prospectus [Line Items]
Expense Heading [Optional Text]	Fees and Expenses of the High 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 High 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 High Income Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the High Income 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 High 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 High 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 High Income Fund’s performance. Because the Fund is newly organized, portfolio turnover information is not yet available.

Fees and Expenses

Aug. 01, 2026

Fees and Expenses of the Expansion Leaders Fund:

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Expansion Leaders 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 Expansion Leaders Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Expansion Leaders 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 Expansion Leaders 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 Expansion Leaders 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 Expansion Leaders Fund’s performance. Because the Fund is newly organized, portfolio turnover information is not yet available.

HORIZON HIGH INCOME ETF

Prospectus [Line Items]

Expense Heading [Optional Text]

Fees and Expenses of the High 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 High 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 High Income Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the High Income 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 High 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 High 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 High Income Fund’s performance. Because the Fund is newly organized, portfolio turnover information is not yet available.