Kurv U.S. Small Cap TaxOptimized ETF Small Cap Company Risk [Member] Risks of Investing in Other Investment Companies [Member] Derivatives Risk [Member] Equity Risk [Member] Common Stocks [Member] Preferred Securities [Member] Options Risk [Member] FLEX Options Risk [Member] Tax Optimization Investing Risk [Member] Call Risk [Member] Credit Risk [Member] Currency Risk [Member] Emerging Markets Risk [Member] ETF Structure Risk [Member] Market Price Variance Risk [Member] Authorized Participant Risk [Member] Trading Issues [Member] Absence of Active Trading Market Risk [Member] Foreign (Non-U.S.) Investment Risk [Member] High Yield Risk [Member] Interest Rate Risk [Member] Issuer Risk [Member] Leveraging Risk [Member] Liquidity Risk [Member] Market Risk [Member] Management Risk [Member] Municipal Bond Risk [Member] New Fund Risk [Member] Small Fund Risk [Member] Sovereign Debt Risk [Member] Tax Risk [Member] Kurv International Equity TaxOptimized ETF Kurv European Equity TaxOptimized ETF Investing in Europe Risk [Member] Investing in United Kingdom Risk [Member] Geographic Concentration Risk [Member] Kurv Japan Equity TaxOptimized ETF Investing in Japan Risk [Member] Kurv Emerging Market Equity TaxOptimized ETF Investing in China Risk [Member] Investing in Asia Risk [Member] Kurv U.S. Small Cap TaxOptimized ETF [Member] Kurv International Equity TaxOptimized ETF [Member] Kurv European Equity TaxOptimized ETF [Member] Kurv Japan Equity TaxOptimized ETF [Member] Kurv Emerging Market Equity TaxOptimized ETF [Member] Kurv U.S. Small Cap TaxOptimized ETF. Kurv U.S. Small Cap TaxOptimized ETF. Kurv International Equity TaxOptimized ETF Kurv International Equity TaxOptimized ETF. Kurv European Equity TaxOptimized ETF Kurv European Equity TaxOptimized ETF. Kurv Japan Equity TaxOptimized ETF Kurv Japan Equity TaxOptimized ETF. Kurv Emerging Market Equity TaxOptimized ETF Kurv Emerging Market Equity TaxOptimized ETF. Tax Risk. Sovereign Debt Risk. Small Fund Risk. New Fund Risk. Municipal Bond Risk. Management Risk. Market Risk. Liquidity Risk. Leveraging Risk. Issuer Risk. Interest Rate Risk. High Yield Risk. Absence of Active Trading Market Risk. Trading Issues. Authorized Participant Risk. Market Price Variance Risk. ETF Structure Risk. Currency Risk. Call Risk. Tax Optimization Investing Risk. FLEX Options Risk. Options Risk. Preferred Securities. Common Stocks. Equity Risk. Derivatives Risk. Risks of Investing in Other Investment Companies. Foreign (Non-U.S.) Investment Risk. Investing in Asia Risk. Investing in China Risk. Emerging Markets Risk. Investing in Japan Risk. Investing in United Kingdom Risk. Investing in Europe Risk. Credit Risk. Small Cap Company Risk.