v3.26.3
Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Oct. 23, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Zacks All-Cap Core ETF        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text] Return Before Taxes      
Average Annual Return, Percent   15.60% 13.48% 13.26%
Zacks All-Cap Core ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions      
Average Annual Return, Percent   14.97% 10.57% 10.57%
Zacks All-Cap Core ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares      
Average Annual Return, Percent   9.67% 10.10% 10.05%
Zacks All-Cap Core ETF | Russell 3000® Index (Reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Zacks Small-Cap Core ETF        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text] Return Before Taxes      
Average Annual Return, Percent   10.53% 10.26% 9.17% [1]
Zacks Small-Cap Core ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions      
Average Annual Return, Percent   10.53% 8.78% 7.43% [1]
Zacks Small-Cap Core ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares      
Average Annual Return, Percent   6.23% 7.71% 6.67% [1]
Zacks Small-Cap Core ETF | Russell 3000® Index (Reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   17.15% 13.15% 14.29% [1]
Zacks Small-Cap Core ETF | Russell 2000® Index (Reflects no deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   11.29% 4.68% 8.13% [1]
[1] Institutional Class shares were first offered on February 28, 2014.
[2] In accordance with new regulatory requirements, the Predecessor Small-Cap Core Fund changed its broad-based securities market index from the Russell 2000® Index to the Russell 3000® Index. The Predecessor Small-Cap Core Fund showed the performance of the Russell 2000® Index for comparative purposes.