Tema Small & Mid-Cap Durable Quality ETF Absence of Prior Active Market Risk [Member] Active Management Risk [Member] Authorized Participant Concentration Risk [Member] Common Stock Risk [Member] Currency Risk [Member] Cybersecurity and Disaster Recovery Risks [Member] Depositary Receipt Risk [Member] Early Close/Trading Halt Risk [Member] Emerging Markets Securities Risk [Member] Fluctuation of Net Asset Value Risk [Member] Foreign Securities Risk [Member] Investment Risk [Member] Issuer-Specific Risk [Member] Market Risk and Selection Risk [Member] Market Trading Risk [Member] New Fund Risk [Member] Operational Risk [Member] Securities Lending Risk [Member] Small- and Mid-Capitalization Company Risk [Member] Valuation Risk [Member] Value-Oriented Investment Strategies Risk [Member] Tema S&P 500 Growth Historical Weight ETF Strategy Calculation Methodology Risk [Member] Concentration Risk [Member] Growth Stock Risk [Member] Large-Capitalization Risk [Member] S&P 500 Growth Related Risk [Member] Sector Focus Risk [Member] Information Technology Sector Risk [Member] Tema International Defense Innovation ETF Industry Concentration Risk [Member] Aerospace and Defense Risk [Member] Defense Tech Company Risk [Member] Industrial Sector Risk [Member] Foreign Custody Risk [Member] Geographic Investment Risk [Member] National Closed Market Trading Risk [Member] Non-U.S. Securities Risk [Member] Tema Emerging Markets Durable Quality ETF Tema S&P Total U.S. Market Historical Weight ETF Strategy Mid-Capitalization Companies Risk [Member] S&P Total Market Related Risk [Member] Tema Small & Mid-Cap Durable Quality ETF [Member] Tema S&P 500 Growth Historical Weight ETF Strategy [Member] Tema International Defense Innovation ETF [Member] Tema Emerging Markets Durable Quality ETF [Member] Tema S&P Total U.S. Market Historical Weight ETF Strategy [Member] Tema International Defense Innovation ETF Tema International Defense Innovation ETF [Member] Tema S&P 500 Growth Historical Weight ETF Strategy Tema S&P 500 Growth Historical Weight ETF Strategy [Member] Tema S&P Total U.S. Market Historical Weight ETF Strategy Tema S&P Total U.S. Market Historical Weight ETF Strategy [Member] Tema Small & Mid-Cap Durable Quality ETF Tema Small & Mid-Cap Durable Quality ETF [Member] Industry Concentration Risk. Aerospace and Defense Risk. Defense Tech Company Risk. Industrial Sector Risk. Absence of Prior Active Market Risk. Active Management Risk. Authorized Participant Concentration Risk. Common Stock Risk. Currency Risk. Cybersecurity and Disaster Recovery Risks. Depositary Receipt Risk. Early Close/Trading Halt Risk. Emerging Markets Securities Risk. Fluctuation of Net Asset Value Risk. Foreign Custody Risk. Foreign Securities Risk. Geographic Investment Risk. Investment Risk. Issuer-Specific Risk. Large-Capitalization Risk. Market Risk and Selection Risk. Market Trading Risk. National Closed Market Trading Risk. New Fund Risk. Non-U.S. Securities Risk. Operational Risk. Securities Lending Risk. Small- and Mid-Capitalization Company Risk. Valuation Risk. Value-Oriented Investment Strategies Risk. Calculation Methodology Risk. Concentration Risk. Growth Stock Risk. S&P 500 Growth Related Risk. Sector Focus Risk. Information Technology Sector Risk. Mid-Capitalization Companies Risk. S&P Total Market Related Risk. Tema Emerging Markets Durable Quality ETF Tema Emerging Markets Durable Quality ETF [Member]