Zacks Earnings Consistent Portfolio ETF Equity Securities Risk [Member] Largecap Securities Risk [Member] Management Risk [Member] Quantitative Model Risk [Member] Small And Medium Cap Securities Risk [Member] Common Stock Risk [Member] New Advisor Risk [Member] Market Risk [Member] New Fund Risk [Member] Authorized Participant Risk [Member] Early Closetrading Halt Risk [Member] Etf Structure Risks [Member] Investment Risk [Member] Cybersecurity Risk [Member] Market Disruption And Geopolitical Risk [Member] Zacks Focus Growth ETF Growth Stock Risk [Member] Concentration Risk [Member] Zacks Small/Mid Cap ETF Fund Investing Risk [Member] Etf Investing Risk [Member] Control Of Underlying Funds Risk [Member] Cash And Cash Equivalents Risk [Member] U S Government Securities Risk [Member] Not Individually Redeemable [Member] Trading Issues [Member] Cash Purchases [Member] Market Price Variance Ris [Member] Portfolio Turnover Risk [Member] Zacks Quality International ETF Non U S Securities Risk [Member] Currency Risk [Member] Depositary Receipts Risk [Member] Open And Closedend Fund Investing Risk [Member] Market Price Variance Risk [Member] Zacks All-Cap Core Fund Equity Risk [Member] Foreign Investment Risk [Member] Growthoriented Investment Strategies Risk [Member] Valueoriented Investment Strategies Risk [Member] Lending Portfolio Securities Risk [Member] Management And Strategy Risk [Member] Income And Distribution Risk [Member] Market Capitalization Risk [Member] Sector Focus Risk [Member] Zacks Small-Cap Core Fund Smallcap Companies Risk [Member] Short Sales Risk [Member] Zacks Dividend Fund Dividend Paying Securities Risk [Member] Preferred Stock Risk [Member] Etf Risk [Member] Warrants And Rights Risk [Member] Zacks Earnings Consistent Portfolio ETF Zacks Focus Growth ETF Zacks Small/Mid Cap ETF Zacks Quality International ETF Zacks All-Cap Core Fund Institutional Class Shares Zacks Small-Cap Core Fund Institutional Class Shares Zacks Small-Cap Core Fund Investor Class Shares Zacks Dividend Fund Institutional Class Shares Zacks Dividend Fund Investor Class Shares Russell 3000® Index Russell 3000® Index (Reflects no deductions for fees, expenses or taxes) Russell 3000® Index (Reflects no deductions for fees, expenses or taxes) Russell 2000® Index (Reflects no deductions for fees, expenses or taxes) Russell 1000® Index (Reflects no deductions for fees, expenses or taxes) Russell 1000® Value Index (Reflects no deductions for fees, expenses or taxes) Zacks Earnings Consistent Portfolio ETF [Default Label] Zacks Focus Growth ETF [Default Label] Zacks Small/Mid Cap ETF [Default Label] Zacks Quality International ETF [Default Label] Russell 3000® Index (Reflects no deductions for fees, expenses or taxes) [Default Label]