v3.25.2
Average Annual Total Returns
 12 Months Ended 60 Months Ended 103 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Combined Former Indices (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 14.37% 11.49% 12.77%
Russell 3000® Index (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 23.81% 13.86% 14.27%
Beta Advantage® U.S. ESG Equity Income Index (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 14.37% 17.25% [2]
Solactive GFS Developed Markets ex NA Large & Mid Cap Value Style USD Index (TR) (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.64% 9.20% 6.70%
MSCI EAFE Value Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.68% 5.09% 6.26%
Beta Advantage® International ESG Equity Income Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 6.53% 21.66% [2]
Combined Former Indices (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [3] 6.53% 6.37% 7.44%
MSCI EAFE Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 3.82% 4.73% 6.52%
Solactive GFS United States Large & Mid Cap Value Style USD Index (TR) (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 15.51% 9.25% 9.07%
MSCI USA Value Index (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 14.34% 8.50% 9.90%
C000169559 [Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 5.79% 5.70% 6.57%
Performance Inception Date     Jun. 13, 2016
C000169559 [Member] | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.13% 5.05% 5.59%
Performance Inception Date     Jun. 13, 2016
C000169559 [Member] | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 4.07% 4.51% 5.12%
Performance Inception Date     Jun. 13, 2016
C000169560 [Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 13.89% 11.05% 12.13%
Performance Inception Date     Jun. 13, 2016
C000169560 [Member] | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 12.42% 10.12% 10.59%
Performance Inception Date     Jun. 13, 2016
C000169560 [Member] | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 8.71% 8.53% 9.28%
Performance Inception Date     Jun. 13, 2016
[1] The Combined Former Indices 5 Years and Life of Fund performance represents the Fund’s Former Index (Beta Advantage® Sustainable U.S. Equity Income 100 Index) performance for the period from June 13, 2016 to October 14, 2022 and the Fund’s other former Index (Beta Advantage® U.S. ESG Equity Income Index) performance for the period from October 14, 2022 through December 31, 2024. The Combined Former Indices 1 Year performance represents the performance of the Beta Advantage® U.S. ESG Equity Income Index.
[2] The Life of Fund Index performance is for the period from October 14, 2022 through December 31, 2024.
[3] The Combined Former Indices 5 Years and Life of Fund performance represents the Fund’s Former Index (Beta Advantage® Sustainable International Equity Income 100 Index (Net)) performance for the period from June 13, 2016 to October 14, 2022 and the Fund’s other former Index (Beta Advantage® International ESG Equity Income Index (Net)) performance for the period from October 14, 2022 through December 31, 2024. The Combined Former Indices 1 Year performance represents the performance of the Beta Advantage® International ESG Equity Income Index (Net).