v3.26.1
Annual Total Returns - Class I
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Morningstar Conservative ETF Asset Allocation Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 9.11% 5.52% 8.19% (11.61%) 2.51% 6.80% 9.75% (2.09%) 6.45% 4.88%
Morningstar Income and Growth ETF Asset Allocation Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 11.94% 8.20% 10.99% (12.31%) 6.66% 8.73% 13.19% (3.99%) 10.12% 6.73%
Morningstar Balanced ETF Asset Allocation Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 15.07% 10.50% 13.11% (12.60%) 11.00% 9.41% 16.57% (6.02%) 13.65% 8.69%
Morningstar Growth ETF Asset Allocation Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 18.15% 12.88% 15.61% (12.96%) 15.09% 10.26% 20.14% (7.85%) 17.68% 9.88%
Morningstar Aggressive Growth ETF Asset Allocation Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 20.33% 14.85% 17.10% (12.92%) 18.60% 10.34% 22.44% (9.17%) 20.17% 11.45%
ALPS/Alerian Energy Infrastructure Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 5.09% 41.03% 14.25% 17.84% 38.25% (24.85%) 20.74% (18.58%) (0.49%) 41.39%
ALPS Global Opportunity Portfolio                    
Prospectus [Line Items]                    
Annual Return [Percent] 1.55% 18.28% 29.22% (28.68%) 24.48% 9.57% 40.34% (12.22%) 25.49% 8.20%