Tema Commodity Income ETF Tema Commodity Income ETF [Member] Absence of Prior Active Market Risk [Member] Active Management Risk [Member] Authorized Participant Concentration Risk [Member] Commodities Risk [Member] Common Stock Risk [Member] Currency Risk [Member] Cybersecurity and Disaster Recovery Risks [Member] Depositary Receipt Risk [Member] Developed Country Risk [Member] Dividend Paying Securities Risk [Member] Early Close/Trading Halt Risk [Member] Emerging Markets Securities Risk [Member] Equity Securities Risk [Member] Fluctuation of Net Asset Value Risk [Member] Foreign Custody Risk [Member] Foreign Securities Risk [Member] Geographic Investment Risk [Member] Chinese Securities Risk [Member] European Securities Risk [Member] Japanese Securities Risk [Member] South Korean Securities Risk [Member] Geopolitical Risk [Member] Industry Concentration Risk [Member] Commodities Related Business Risk [Member] Investment Risk [Member] Issuer-Specific Risk [Member] Large-Capitalization Risk [Member] Market Risk and Selection Risk [Member] Market Trading Risk [Member] Micro-Capitalization Risk [Member] National Closed Market Trading Risk [Member] New Fund Risk [Member] Operational Risk [Member] REIT Investment Risk [Member] Securities Lending Risk [Member] Sector Focus Risk [Member] Energy Sector Risk [Member] Industrials Sector Risk [Member] Materials Sector Risk [Member] Shares May Trade at Prices Other Than NAV [Member] Small- and Mid-Capitalization Company Risk [Member] Trading Issues [Member] Valuation Risk [Member] Value-Oriented Investment Strategies Risk [Member] Tema Commodity Infrastructure ETF Tema Commodity Infrastructure ETF [Member] Commodity-Infrastructure Companies Risk [Member] Tema Memory ETF Tema Memory ETF [Member] China A-Shares and Stock Connect Risk [Member] Memory Companies Risk [Member] Semiconductor Companies Risk [Member] Privately Placed and Restricted Securities Risk [Member] Proprietary Infrastructure Risk [Member] Information Technology Sector Risk [Member] Tema Photonics & Optical ETF Tema Photonics & Optical ETF [Member] Photonic and Optical Companies Risk [Member] Tema Commodity Income ETF Tema Commodity Income ETF Tema Commodity Infrastructure ETF Tema Commodity Infrastructure ETF Tema Memory ETF Tema Memory ETF Tema Photonics & Optical ETF Tema Photonics & Optical ETF Value-Oriented Investment Strategies Risk. Valuation Risk. Trading Issues. Small- and Mid-Capitalization Company Risk. Shares May Trade at Prices Other Than NAV. Information Technology Sector Risk. Sector Focus Risk. Securities Lending Risk. Proprietary Infrastructure Risk. Privately Placed and Restricted Securities Risk. Operational Risk. New Fund Risk. National Closed Market Trading Risk. Micro-Capitalization Risk. Market Trading Risk. Market Risk and Selection Risk. Large-Capitalization Risk. Issuer-Specific Risk. Photonic and Optical Companies Risk. Industry Concentration Risk. Investment Risk. Geopolitical Risk. South Korean Securities Risk. Japanese Securities Risk. European Securities Risk. Chinese Securities Risk. Geographic Investment Risk. Foreign Securities Risk. Foreign Custody Risk. Fluctuation of Net Asset Value Risk. Emerging Markets Securities Risk. Early Close/Trading Halt Risk. Developed Country Risk. Depositary Receipt Risk. Cybersecurity and Disaster Recovery Risks. Currency Risk. Common Stock Risk. China A-Shares and Stock Connect Risk. Authorized Participant Concentration Risk. Active Management Risk. Absence of Prior Active Market Risk. Semiconductor Companies Risk. Memory Companies Risk. Materials Sector Risk. Industrials Sector Risk. Energy Sector Risk. Commodity-Infrastructure Companies Risk. Equity Securities Risk. Commodities Risk. Dividend Paying Securities Risk. Commodities Related Business Risk. REIT Investment Risk.