v3.26.1
Hartford Alpha Capture International Equity ETF Average Annual Total Returns
 12 Months Ended 60 Months Ended 118 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent 31.22% 8.92% 9.36% 8.18%
MSCI ACWI ex USA Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent 32.39% 7.91%   8.41%
Hartford Alpha Capture International Equity ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent [1] 31.20% 7.44%   7.72%
Hartford Alpha Capture International Equity ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent [1] 21.41% 6.51%   6.78%
Hartford Alpha Capture International Equity ETF | Return Before Taxes[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1] 33.33% 8.19%   8.29%
[1] Class F shares of the Predecessor Fund commenced operations on February 28, 2017 and performance prior to that date is that of the Predecessor Fund’s Class I shares. Performance prior to the inception date of Class F has not been adjusted to reflect the operating expenses of Class F.