Obra Opportunistic Structured Products ETF Obra Opportunistic Structured Products ETF [Member] Structured Products Risk [Member] Mortgage- and Asset-Backed Securities Risk [Member] Collateralized Mortgage Obligations Risk [Member] Below Investment Grade Securities Risk [Member] Covenant-Lite Risk [Member] Credit/Default Risk [Member] Authorized Participant Risk [Member] Small-Cap and Mid-Cap Securities Risk [Member] Cash and Cash Equivalents Risk [Member] U.S. Government Securities Risk [Member] Derivatives Risk [Member] Inflation-Indexed Bond Risk [Member] Leverage Risk [Member] Transition from LIBOR Risk [Member] Liquidity Risk [Member] Inflation Risk [Member] Interest Rate Risk [Member] Management Risk [Member] Market Risk [Member] ETF Structure Risks [Member] Not Individually Redeemable [Member] Trading Issues [Member] Cash purchases [Member] Market Price Variance Risk [Member] Cybersecurity Risk [Member] Investment Risk [Member] Early Close/Trading Halt Risk [Member] Obra High Grade Structured Products ETF Obra Defensive High Yield ETF Rating Agencies Risk [Member] Corporate Debt Securities Risk [Member] Fixed Income Risk [Member] Counterparty Credit Risk [Member] New Advisor Risk [Member] Limited History of Operations Risk [Member] Sector Focus Risk [Member] Consumer Discretionary [Member] Obra High Grade Structured Products ETF [Member] Obra Defensive High Yield ETF [Member] Bloomberg U.S. Aggregate Bond Index (reflects no deductions for fees and expenses) ICE BofA 1-3 Year BBB U.S. Corporate Index (reflects no deductions for fees and expenses) ICE BofA 1-3 Year U.S. Corporate Index (reflects no deductions for fees and expenses) Obra Opportunistic Structured Products ETF Obra Opportunistic Structured Products ETF [Member] Obra High Grade Structured Products ETF Obra High Grade Structured Products ETF [Member] Obra Defensive High Yield ETF Obra Defensive High Yield ETF [Member] Early Close/Trading Halt Risk. Investment Risk. Cybersecurity Risk. Consumer Discretionary. Sector Focus Risk. Market Price Variance Risk. Cash purchases. Trading Issues. Not Individually Redeemable. ETF Structure Risks. Limited History of Operations Risk. New Advisor Risk. Market Risk. Management Risk. Inflation Risk. Counterparty Credit Risk. U.S. Government Securities Risk. Cash and Cash Equivalents Risk. Authorized Participant Risk. Inflation-Indexed Bond Risk. Fixed Income Risk. Corporate Debt Securities Risk. Rating Agencies Risk. Credit/Default Risk. Below Investment Grade Securities Risk. Liquidity Risk. Transition from LIBOR Risk. Leverage Risk. Derivatives Risk. Small-Cap and Mid-Cap Securities Risk. Covenant-Lite Risk. Collateralized Mortgage Obligations Risk. Mortgage- and Asset-Backed Securities Risk. Structured Products Risk. Bloomberg U.S. Aggregate Bond Index (reflects no deductions for fees and expenses) ICE BofA 1-3 Year BBB U.S. Corporate Index (reflects no deductions for fees and expenses) ICE BofA 1-3 Year U.S. Corporate Index (reflects no deductions for fees and expenses)