WisdomTree Efficient Long/Short U.S. SmallCap Equity Fund WisdomTree Efficient Long/Short U.S. SmallCap Equity Fund Models and Data Risk [Member] Derivatives Risk [Member] Investment Risk [Member] Market Risk [Member] Shares of the Fund May Trade at Prices Other Than NAV [Member] Active Management Risk [Member] Cash Redemption Risk [Member] Counterparty Credit Risk [Member] Cybersecurity Risk [Member] Financials Sector Risk [Member] Geographic Investment Risk [Member] Geopolitical Risk [Member] Healthcare Sector Risk [Member] Industrials Sector Risk [Member] Information Technology Sector Risk [Member] Issuer-Specific Risk [Member] Leveraging Risk [Member] Liquidity Risk [Member] Short Exposure Risk [Member] Small-Capitalization Investing Risk [Member] Tax Risk [Member] U.S. Treasuries Risk [Member] WisdomTree Efficient Long/Short U.S. SmallCap Equity Fund [Default Label]