North Shore Equity Rotation ETF Equity Securities Risk [Member] Foreign Securities Investment Risk [Member] Currency Risk [Member] Depositary Receipts Risk [Member] Foreign Market and Trading Risk [Member] Foreign Securities Risk [Member] Political and Economic Risk [Member] U.S. Government Securities Risk [Member] Sector Focus Risk [Member] Consumer Discretionary [Member] Consumer Staples [Member] Financial [Member] Healthcare [Member] Information Technology [Member] Materials [Member] Real Estate [Member] Utilities [Member] Convertible Securities Risk [Member] Risks from Selling or Writing Option [Member] Risks from Purchasing Options [Member] Hedging Risk [Member] Preferred Securities Risk [Member] Fixed Income Risk [Member] Securities Lending Risk [Member] Inflation Risk [Member] Authorized Participant Risk [Member] ETF Structure Risks [Member] Not Individually Redeemable [Member] Trading Issues [Member] Cash Purchases [Member] Market Price Variance Risk [Member] Early Close/Trading Halt Risk [Member] Investment Risk [Member] Cyber Security Risk [Member] Management Risk [Member] Market Risk [Member] Portfolio Turnover Risk [Member] North Shore Equity Rotation ETF [Member] S&P 500 Index (reflects no deductions for fees and expenses) North Shore Equity Rotation ETF. North Shore Equity Rotation ETF. Portfolio Turnover Risk. Market Risk. Management Risk. Cyber Security Risk. Investment Risk. Early Close/Trading Halt Risk. Market Price Variance Risk. Cash Purchases. Trading Issues. Not Individually Redeemable. ETF Structure Risks. Authorized Participant Risk. Inflation Risk. Securities Lending Risk. Fixed Income Risk. Preferred Securities Risk. Hedging Risk. Risks from Purchasing Options. Risks from Selling or Writing Option. Convertible Securities Risk. Utilities. Real Estate. Materials. Information Technology. Healthcare. Financial. Consumer Staples. Consumer Discretionary. Sector Focus Risk. U.S. Government Securities Risk. Political and Economic Risk. Foreign Securities Risk. Foreign Market and Trading Risk. Depositary Receipts Risk. Currency Risk. Foreign Securities Investment Risk. Equity Securities Risk. S&P 500 Index (reflects no deductions for fees and expenses)