v3.26.1
Expense Example
Apr. 30, 2026
USD ($)
Morningstar Conservative ETF Asset Allocation Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 59
Expense Example, with Redemption, 3 Years 207
Expense Example, with Redemption, 5 Years 369
Expense Example, with Redemption, 10 Years 837
Morningstar Conservative ETF Asset Allocation Portfolio | Class II  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 85
Expense Example, with Redemption, 3 Years 286
Expense Example, with Redemption, 5 Years 505
Expense Example, with Redemption, 10 Years 1,133
Morningstar Income and Growth ETF Asset Allocation Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 60
Expense Example, with Redemption, 3 Years 198
Expense Example, with Redemption, 5 Years 347
Expense Example, with Redemption, 10 Years 782
Morningstar Income and Growth ETF Asset Allocation Portfolio | Class II  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 277
Expense Example, with Redemption, 5 Years 484
Expense Example, with Redemption, 10 Years 1,080
Morningstar Balanced ETF Asset Allocation Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 60
Expense Example, with Redemption, 3 Years 189
Expense Example, with Redemption, 5 Years 329
Expense Example, with Redemption, 10 Years 737
Morningstar Balanced ETF Asset Allocation Portfolio | Class II  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 268
Expense Example, with Redemption, 5 Years 466
Expense Example, with Redemption, 10 Years 1,036
Morningstar Growth ETF Asset Allocation Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 58
Expense Example, with Redemption, 3 Years 183
Expense Example, with Redemption, 5 Years 318
Expense Example, with Redemption, 10 Years 713
Morningstar Growth ETF Asset Allocation Portfolio | Class II  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 84
Expense Example, with Redemption, 3 Years 262
Expense Example, with Redemption, 5 Years 455
Expense Example, with Redemption, 10 Years 1,013
Morningstar Aggressive Growth ETF Asset Allocation Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 192
Expense Example, with Redemption, 5 Years 335
Expense Example, with Redemption, 10 Years 750
Morningstar Aggressive Growth ETF Asset Allocation Portfolio | Class II  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 271
Expense Example, with Redemption, 5 Years 471
Expense Example, with Redemption, 10 Years 1,048
ALPS/Alerian Energy Infrastructure Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 97
Expense Example, with Redemption, 3 Years 303
Expense Example, with Redemption, 5 Years 525
Expense Example, with Redemption, 10 Years 1,165
ALPS/Alerian Energy Infrastructure Portfolio | Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 132
Expense Example, with Redemption, 3 Years 412
Expense Example, with Redemption, 5 Years 713
Expense Example, with Redemption, 10 Years 1,566
ALPS Global Opportunity Portfolio | Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 144
Expense Example, with Redemption, 3 Years 520
Expense Example, with Redemption, 5 Years 921
Expense Example, with Redemption, 10 Years 2,042
ALPS Global Opportunity Portfolio | Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 179
Expense Example, with Redemption, 3 Years 627
Expense Example, with Redemption, 5 Years 1,101
Expense Example, with Redemption, 10 Years $ 2,410