v3.26.1
Shareholder Report, Holdings (Details)
May 31, 2026
Centre American Select Equity Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.90%
Centre American Select Equity Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Centre American Select Equity Fund | Advisor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
Centre American Select Equity Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Centre American Select Equity Fund | Advisor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Centre American Select Equity Fund | Advisor Class | Real Estate [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Centre American Select Equity Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Centre American Select Equity Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Centre American Select Equity Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Centre American Select Equity Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
Centre American Select Equity Fund | Advisor Class | NVIDIA Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Centre American Select Equity Fund | Advisor Class | Apple, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Centre American Select Equity Fund | Advisor Class | Nucor Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Centre American Select Equity Fund | Advisor Class | Broadcom, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Centre American Select Equity Fund | Advisor Class | Microchip Technology, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Centre American Select Equity Fund | Advisor Class | Newmont Goldcorp Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Centre American Select Equity Fund | Advisor Class | Air Products & Chemicals, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Advisor Class | Antero Resources Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Advisor Class | Analog Devices, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Advisor Class | Rockwell Automation, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.90%
Centre American Select Equity Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Centre American Select Equity Fund | Investor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
Centre American Select Equity Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Centre American Select Equity Fund | Investor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Centre American Select Equity Fund | Investor Class | Real Estate [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Centre American Select Equity Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Centre American Select Equity Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Centre American Select Equity Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Centre American Select Equity Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
Centre American Select Equity Fund | Investor Class | NVIDIA Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Centre American Select Equity Fund | Investor Class | Apple, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Centre American Select Equity Fund | Investor Class | Nucor Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Centre American Select Equity Fund | Investor Class | Broadcom, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Centre American Select Equity Fund | Investor Class | Microchip Technology, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Centre American Select Equity Fund | Investor Class | Newmont Goldcorp Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Centre American Select Equity Fund | Investor Class | Air Products & Chemicals, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Investor Class | Antero Resources Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Investor Class | Analog Devices, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre American Select Equity Fund | Investor Class | Rockwell Automation, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Centre Global Infrastructure Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Centre Global Infrastructure Fund | Advisor Class | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Centre Global Infrastructure Fund | Advisor Class | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 21.50%
Centre Global Infrastructure Fund | Advisor Class | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
Centre Global Infrastructure Fund | Advisor Class | Wireless Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
Centre Global Infrastructure Fund | Advisor Class | Multi-Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Centre Global Infrastructure Fund | Advisor Class | Electrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Centre Global Infrastructure Fund | Advisor Class | Transportation Infrastructure  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Centre Global Infrastructure Fund | Advisor Class | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Centre Global Infrastructure Fund | Advisor Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 52.40%
Centre Global Infrastructure Fund | Advisor Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Centre Global Infrastructure Fund | Advisor Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Centre Global Infrastructure Fund | Advisor Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Centre Global Infrastructure Fund | Advisor Class | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Centre Global Infrastructure Fund | Advisor Class | SPAIN  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Centre Global Infrastructure Fund | Advisor Class | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Centre Global Infrastructure Fund | Advisor Class | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Centre Global Infrastructure Fund | Advisor Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Centre Global Infrastructure Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Centre Global Infrastructure Fund | Advisor Class | Enbridge, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Centre Global Infrastructure Fund | Advisor Class | Verizon Communications, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Centre Global Infrastructure Fund | Advisor Class | SoftBank Group Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Centre Global Infrastructure Fund | Advisor Class | AT&T, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Centre Global Infrastructure Fund | Advisor Class | Williams Cos., Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Centre Global Infrastructure Fund | Advisor Class | Deutsche Telekom AG  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Centre Global Infrastructure Fund | Advisor Class | TC Energy Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Centre Global Infrastructure Fund | Advisor Class | HCA Healthcare, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Centre Global Infrastructure Fund | Advisor Class | Kinder Morgan, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Centre Global Infrastructure Fund | Advisor Class | NextEra Energy, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Centre Global Infrastructure Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Centre Global Infrastructure Fund | Investor Class | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Centre Global Infrastructure Fund | Investor Class | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 21.50%
Centre Global Infrastructure Fund | Investor Class | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
Centre Global Infrastructure Fund | Investor Class | Wireless Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
Centre Global Infrastructure Fund | Investor Class | Multi-Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Centre Global Infrastructure Fund | Investor Class | Electrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Centre Global Infrastructure Fund | Investor Class | Transportation Infrastructure  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Centre Global Infrastructure Fund | Investor Class | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Centre Global Infrastructure Fund | Investor Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 52.40%
Centre Global Infrastructure Fund | Investor Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Centre Global Infrastructure Fund | Investor Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Centre Global Infrastructure Fund | Investor Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Centre Global Infrastructure Fund | Investor Class | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Centre Global Infrastructure Fund | Investor Class | SPAIN  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Centre Global Infrastructure Fund | Investor Class | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Centre Global Infrastructure Fund | Investor Class | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Centre Global Infrastructure Fund | Investor Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Centre Global Infrastructure Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Centre Global Infrastructure Fund | Investor Class | Enbridge, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Centre Global Infrastructure Fund | Investor Class | Verizon Communications, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Centre Global Infrastructure Fund | Investor Class | SoftBank Group Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Centre Global Infrastructure Fund | Investor Class | AT&T, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Centre Global Infrastructure Fund | Investor Class | Williams Cos., Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Centre Global Infrastructure Fund | Investor Class | Deutsche Telekom AG  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Centre Global Infrastructure Fund | Investor Class | TC Energy Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Centre Global Infrastructure Fund | Investor Class | HCA Healthcare, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Centre Global Infrastructure Fund | Investor Class | Kinder Morgan, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Centre Global Infrastructure Fund | Investor Class | NextEra Energy, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Horizon Active Asset Allocation Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Horizon Active Asset Allocation Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Horizon Active Asset Allocation Fund | Investor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Active Asset Allocation Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Active Asset Allocation Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Asset Allocation Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Horizon Active Asset Allocation Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 81.10%
Horizon Active Asset Allocation Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Horizon Active Asset Allocation Fund | Investor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 114.10%
Horizon Active Asset Allocation Fund | Investor Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Investor Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Asset Allocation Fund | Investor Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (15.70%)
Horizon Active Asset Allocation Fund | Investor Class | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Investor Class | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Asset Allocation Fund | Investor Class | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 81.10%
Horizon Active Asset Allocation Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Horizon Active Asset Allocation Fund | Investor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Horizon Active Asset Allocation Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Investor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
Horizon Active Asset Allocation Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (16.10%)
Horizon Active Asset Allocation Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Horizon Active Asset Allocation Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Horizon Active Asset Allocation Fund | Advisor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Active Asset Allocation Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Active Asset Allocation Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Asset Allocation Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Horizon Active Asset Allocation Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 81.10%
Horizon Active Asset Allocation Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Horizon Active Asset Allocation Fund | Advisor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 114.10%
Horizon Active Asset Allocation Fund | Advisor Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Advisor Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Asset Allocation Fund | Advisor Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (15.70%)
Horizon Active Asset Allocation Fund | Advisor Class | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Advisor Class | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Asset Allocation Fund | Advisor Class | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 81.10%
Horizon Active Asset Allocation Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Horizon Active Asset Allocation Fund | Advisor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Horizon Active Asset Allocation Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Advisor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
Horizon Active Asset Allocation Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (16.10%)
Horizon Active Asset Allocation Fund | Institutional Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Horizon Active Asset Allocation Fund | Institutional Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Horizon Active Asset Allocation Fund | Institutional Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Active Asset Allocation Fund | Institutional Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Institutional Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Active Asset Allocation Fund | Institutional Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Asset Allocation Fund | Institutional Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Horizon Active Asset Allocation Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 81.10%
Horizon Active Asset Allocation Fund | Institutional Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Horizon Active Asset Allocation Fund | Institutional Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 114.10%
Horizon Active Asset Allocation Fund | Institutional Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Institutional Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Asset Allocation Fund | Institutional Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (15.70%)
Horizon Active Asset Allocation Fund | Institutional Class | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Asset Allocation Fund | Institutional Class | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Asset Allocation Fund | Institutional Class | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 81.10%
Horizon Active Asset Allocation Fund | Institutional Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Horizon Active Asset Allocation Fund | Institutional Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Horizon Active Asset Allocation Fund | Institutional Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Asset Allocation Fund | Institutional Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
Horizon Active Asset Allocation Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (16.10%)
Horizon Active Income Fund | Investor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
Horizon Active Income Fund | Investor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Horizon Active Income Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Income Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.20%)
Horizon Active Income Fund | Advisor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
Horizon Active Income Fund | Advisor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Horizon Active Income Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Income Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.20%)
Horizon Active Income Fund | Institutional Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
Horizon Active Income Fund | Institutional Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Horizon Active Income Fund | Institutional Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Income Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.20%)
Horizon Active Risk Assist Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Active Risk Assist Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Horizon Active Risk Assist Fund | Investor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Active Risk Assist Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Risk Assist Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Risk Assist Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Risk Assist Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Horizon Active Risk Assist Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 86.50%
Horizon Active Risk Assist Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Horizon Active Risk Assist Fund | Investor Class | Finance and Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
Horizon Active Risk Assist Fund | Investor Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Risk Assist Fund | Investor Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.70%)
Horizon Active Risk Assist Fund | Investor Class | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Risk Assist Fund | Investor Class | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Investor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 85.70%
Horizon Active Risk Assist Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
Horizon Active Risk Assist Fund | Investor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Horizon Active Risk Assist Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon Active Risk Assist Fund | Investor Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Active Risk Assist Fund | Investor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
Horizon Active Risk Assist Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (1.10%)
Horizon Active Risk Assist Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Active Risk Assist Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Horizon Active Risk Assist Fund | Advisor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Active Risk Assist Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Risk Assist Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Risk Assist Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Risk Assist Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Horizon Active Risk Assist Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 86.50%
Horizon Active Risk Assist Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Horizon Active Risk Assist Fund | Advisor Class | Finance and Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
Horizon Active Risk Assist Fund | Advisor Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Risk Assist Fund | Advisor Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.70%)
Horizon Active Risk Assist Fund | Advisor Class | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Risk Assist Fund | Advisor Class | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Advisor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 85.70%
Horizon Active Risk Assist Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
Horizon Active Risk Assist Fund | Advisor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Horizon Active Risk Assist Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon Active Risk Assist Fund | Advisor Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Active Risk Assist Fund | Advisor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
Horizon Active Risk Assist Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (1.10%)
Horizon Active Risk Assist Fund | Institutional Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Active Risk Assist Fund | Institutional Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Horizon Active Risk Assist Fund | Institutional Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Active Risk Assist Fund | Institutional Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Risk Assist Fund | Institutional Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Active Risk Assist Fund | Institutional Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Risk Assist Fund | Institutional Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Horizon Active Risk Assist Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 86.50%
Horizon Active Risk Assist Fund | Institutional Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Horizon Active Risk Assist Fund | Institutional Class | Finance and Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
Horizon Active Risk Assist Fund | Institutional Class | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Active Risk Assist Fund | Institutional Class | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.70%)
Horizon Active Risk Assist Fund | Institutional Class | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Active Risk Assist Fund | Institutional Class | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Active Risk Assist Fund | Institutional Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 85.70%
Horizon Active Risk Assist Fund | Institutional Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
Horizon Active Risk Assist Fund | Institutional Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Horizon Active Risk Assist Fund | Institutional Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon Active Risk Assist Fund | Institutional Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Active Risk Assist Fund | Institutional Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
Horizon Active Risk Assist Fund | Institutional Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (1.10%)
Horizon Defensive Core Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Horizon Defensive Core Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Horizon Defensive Core Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Horizon Defensive Core Fund | Investor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Horizon Defensive Core Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Horizon Defensive Core Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Horizon Defensive Core Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Horizon Defensive Core Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Horizon Defensive Core Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon Defensive Core Fund | Investor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Horizon Defensive Core Fund | Investor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Horizon Defensive Core Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.40%
Horizon Defensive Core Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Defensive Core Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Defensive Core Fund | Investor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Horizon Defensive Core Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Horizon Defensive Core Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Horizon Defensive Core Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Horizon Defensive Core Fund | Advisor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Horizon Defensive Core Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Horizon Defensive Core Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Horizon Defensive Core Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Horizon Defensive Core Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Horizon Defensive Core Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon Defensive Core Fund | Advisor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Horizon Defensive Core Fund | Advisor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Horizon Defensive Core Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.40%
Horizon Defensive Core Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Defensive Core Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Defensive Core Fund | Advisor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Horizon Defined Risk Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 37.10%
Horizon Defined Risk Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Horizon Defined Risk Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Horizon Defined Risk Fund | Investor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Horizon Defined Risk Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Horizon Defined Risk Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Horizon Defined Risk Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Horizon Defined Risk Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Horizon Defined Risk Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Horizon Defined Risk Fund | Investor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Horizon Defined Risk Fund | Investor Class | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Defined Risk Fund | Investor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Horizon Defined Risk Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 95.10%
Horizon Defined Risk Fund | Investor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Defined Risk Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Defined Risk Fund | Investor Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Defined Risk Fund | Investor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (4.60%)
Horizon Defined Risk Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Defined Risk Fund | Investor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Horizon Defined Risk Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 37.10%
Horizon Defined Risk Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Horizon Defined Risk Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Horizon Defined Risk Fund | Advisor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Horizon Defined Risk Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Horizon Defined Risk Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Horizon Defined Risk Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Horizon Defined Risk Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Horizon Defined Risk Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Horizon Defined Risk Fund | Advisor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Horizon Defined Risk Fund | Advisor Class | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Defined Risk Fund | Advisor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Horizon Defined Risk Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 95.10%
Horizon Defined Risk Fund | Advisor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Defined Risk Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Defined Risk Fund | Advisor Class | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Defined Risk Fund | Advisor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (4.60%)
Horizon Defined Risk Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Defined Risk Fund | Advisor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Horizon Equity Premium Income Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 36.50%
Horizon Equity Premium Income Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Equity Premium Income Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Horizon Equity Premium Income Fund | Investor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Horizon Equity Premium Income Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Horizon Equity Premium Income Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Horizon Equity Premium Income Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Horizon Equity Premium Income Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Horizon Equity Premium Income Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Horizon Equity Premium Income Fund | Investor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Horizon Equity Premium Income Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
Horizon Equity Premium Income Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Equity Premium Income Fund | Investor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
Horizon Equity Premium Income Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Equity Premium Income Fund | Investor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Equity Premium Income Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 36.50%
Horizon Equity Premium Income Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Equity Premium Income Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Horizon Equity Premium Income Fund | Advisor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Horizon Equity Premium Income Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Horizon Equity Premium Income Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Horizon Equity Premium Income Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Horizon Equity Premium Income Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Horizon Equity Premium Income Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Horizon Equity Premium Income Fund | Advisor Class | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Horizon Equity Premium Income Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
Horizon Equity Premium Income Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Equity Premium Income Fund | Advisor Class | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
Horizon Equity Premium Income Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Equity Premium Income Fund | Advisor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.00%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 22.80%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Real Estate [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Multi-Factor Small/Mid Cap Fund | Investor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.00%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 22.80%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Real Estate [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Multi-Factor Small/Mid Cap Fund | Advisor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Multi-Factor U.S. Equity Fund | Investor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Multi-Factor U.S. Equity Fund | Advisor Class | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Horizon Tactical Fixed Income Fund | Investor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Horizon Tactical Fixed Income Fund | Investor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
Horizon Tactical Fixed Income Fund | Investor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Tactical Fixed Income Fund | Investor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (34.10%)
Horizon Tactical Fixed Income Fund | Advisor Class | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Horizon Tactical Fixed Income Fund | Advisor Class | Investments Purchased with Proceeds from Securities Lending  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
Horizon Tactical Fixed Income Fund | Advisor Class | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Tactical Fixed Income Fund | Advisor Class | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (34.10%)
Horizon Core Bond ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.30%
Horizon Core Bond ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Core Bond ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Core Bond ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
Horizon Core Bond ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Core Equity ETF | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.50%
Horizon Core Equity ETF | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Horizon Core Equity ETF | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Horizon Core Equity ETF | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
Horizon Core Equity ETF | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Horizon Core Equity ETF | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Horizon Core Equity ETF | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Horizon Core Equity ETF | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
Horizon Core Equity ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Horizon Core Equity ETF | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Horizon Core Equity ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Horizon Core Equity ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.30%
Horizon Core Equity ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Core Equity ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Core Equity ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Core Equity ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Core Equity ETF | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Horizon Digital Frontier ETF | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 50.70%
Horizon Digital Frontier ETF | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Horizon Digital Frontier ETF | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Horizon Digital Frontier ETF | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Horizon Digital Frontier ETF | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon Digital Frontier ETF | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Digital Frontier ETF | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Horizon Digital Frontier ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Digital Frontier ETF | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
Horizon Digital Frontier ETF | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Horizon Digital Frontier ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
Horizon Digital Frontier ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Digital Frontier ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Digital Frontier ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
Horizon Digital Frontier ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Dividend Income ETF | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Horizon Dividend Income ETF | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Dividend Income ETF | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon Dividend Income ETF | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Horizon Dividend Income ETF | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Horizon Dividend Income ETF | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
Horizon Dividend Income ETF | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Horizon Dividend Income ETF | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Horizon Dividend Income ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Dividend Income ETF | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Horizon Dividend Income ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Horizon Dividend Income ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Dividend Income ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Dividend Income ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Expedition Plus ETF | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
Horizon Expedition Plus ETF | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Horizon Expedition Plus ETF | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Horizon Expedition Plus ETF | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Horizon Expedition Plus ETF | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Horizon Expedition Plus ETF | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Horizon Expedition Plus ETF | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Horizon Expedition Plus ETF | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Horizon Expedition Plus ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Horizon Expedition Plus ETF | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Horizon Expedition Plus ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon Expedition Plus ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.30%
Horizon Expedition Plus ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Expedition Plus ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Expedition Plus ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
Horizon Expedition Plus ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Expedition Plus ETF | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Horizon Flexible Income ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Horizon Flexible Income ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Flexible Income ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon Flexible Income ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
Horizon Flexible Income ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon International Equity ETF | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Horizon International Equity ETF | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
Horizon International Equity ETF | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Horizon International Equity ETF | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Horizon International Equity ETF | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Horizon International Equity ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Horizon International Equity ETF | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Horizon International Equity ETF | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon International Equity ETF | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Horizon International Equity ETF | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Horizon International Equity ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Horizon International Equity ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 97.30%
Horizon International Equity ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Horizon International Equity ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon International Equity ETF | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon International Equity ETF | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon International Managed Risk ETF | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Horizon International Managed Risk ETF | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
Horizon International Managed Risk ETF | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Horizon International Managed Risk ETF | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Horizon International Managed Risk ETF | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Horizon International Managed Risk ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 28.30%
Horizon International Managed Risk ETF | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Horizon International Managed Risk ETF | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon International Managed Risk ETF | NETHERLANDS  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Horizon International Managed Risk ETF | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Horizon International Managed Risk ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Horizon International Managed Risk ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Horizon International Managed Risk ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon International Managed Risk ETF | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Horizon International Managed Risk ETF | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Landmark ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Horizon Landmark ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Horizon Landmark ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.40%)
Horizon Managed Risk ETF | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.60%
Horizon Managed Risk ETF | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Horizon Managed Risk ETF | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Horizon Managed Risk ETF | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
Horizon Managed Risk ETF | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Horizon Managed Risk ETF | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Horizon Managed Risk ETF | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Horizon Managed Risk ETF | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
Horizon Managed Risk ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Horizon Managed Risk ETF | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Horizon Managed Risk ETF | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Horizon Managed Risk ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.30%
Horizon Managed Risk ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Horizon Managed Risk ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Managed Risk ETF | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Horizon Nasdaq-100 Defined Risk ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Horizon Nasdaq-100 Defined Risk ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
Horizon Nasdaq-100 Defined Risk ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
Horizon Nasdaq-100 Defined Risk ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Horizon Small/Mid Cap Core Equity ETF | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Horizon Small/Mid Cap Core Equity ETF | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
Horizon Small/Mid Cap Core Equity ETF | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Horizon Small/Mid Cap Core Equity ETF | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Horizon Small/Mid Cap Core Equity ETF | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Horizon Small/Mid Cap Core Equity ETF | Real Estate [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Horizon Small/Mid Cap Core Equity ETF | Health Care [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Horizon Small/Mid Cap Core Equity ETF | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Horizon Small/Mid Cap Core Equity ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Horizon Small/Mid Cap Core Equity ETF | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Horizon Small/Mid Cap Core Equity ETF | Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.70%
Horizon Small/Mid Cap Core Equity ETF | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Horizon Small/Mid Cap Core Equity ETF | Purchased Options  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Horizon Small/Mid Cap Core Equity ETF | Written Options  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
Horizon Small/Mid Cap Core Equity ETF | Cash & Other  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Horizon Small/Mid Cap Core Equity ETF | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%