v3.26.1
S000033427 [Member] Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI All Country World Index (reflects no deduction for fees, expenses, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 22.34% 11.19% 11.72%
Blended Index 60% MSCI All Country World Index and 40% Bloomberg U.S. Aggregate Bond Index      
Prospectus [Line Items]      
Average Annual Return, Percent 16.22% 6.57% 7.96%
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 7.30% (0.36%) 2.01%
GLOBAL TACTICAL ASSET ALLOCATION FUND      
Prospectus [Line Items]      
Average Annual Return, Percent 14.73% 5.89% 6.70%
GLOBAL TACTICAL ASSET ALLOCATION FUND | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 13.97% 4.57% 5.38%
GLOBAL TACTICAL ASSET ALLOCATION FUND | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 9.39% 4.21% 4.90%