Shareholder Report, Average Annual Return (Details)
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12 Months Ended |
60 Months Ended |
120 Months Ended |
128 Months Ended |
Jun. 30, 2025 |
Jun. 30, 2025 |
Jun. 30, 2025 |
Jun. 30, 2025 |
| Morningstar Conservative ETF Asset Allocation Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Conservative ETF Asset Allocation Portfolio (Class I)
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| Average Annual Return, Percent |
7.97%
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2.76%
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3.16%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class II |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Conservative ETF Asset Allocation Portfolio (Class II)
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| Average Annual Return, Percent |
7.76%
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2.52%
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2.91%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Income and Growth ETF Asset Allocation Portfolio (Class I)
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| Average Annual Return, Percent |
9.51%
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5.52%
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4.83%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class II |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Income and Growth ETF Asset Allocation Portfolio (Class II)
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| Average Annual Return, Percent |
9.26%
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5.25%
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4.57%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Balanced ETF Asset Allocation Portfolio (Class I)
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| Average Annual Return, Percent |
11.11%
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8.13%
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6.32%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class II |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Balanced ETF Asset Allocation Portfolio (Class II)
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| Average Annual Return, Percent |
10.77%
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7.85%
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6.06%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Growth ETF Asset Allocation Portfolio (Class I)
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| Average Annual Return, Percent |
12.70%
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10.82%
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7.83%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class II |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Growth ETF Asset Allocation Portfolio (Class II)
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| Average Annual Return, Percent |
12.34%
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10.54%
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7.55%
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| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Aggressive Growth ETF Asset Allocation Portfolio (Class I)
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| Average Annual Return, Percent |
13.81%
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13.05%
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8.92%
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| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class II |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Aggressive Growth ETF Asset Allocation Portfolio (Class II)
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| Average Annual Return, Percent |
13.56%
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12.77%
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8.65%
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| ALPS/Alerian Energy Infrastructure Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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ALPS/Alerian Energy Infrastructure Portfolio (Class I)
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| Average Annual Return, Percent |
26.19%
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24.71%
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7.13%
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| ALPS/Alerian Energy Infrastructure Portfolio - Class III |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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ALPS/Alerian Energy Infrastructure Portfolio (Class III)
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| Average Annual Return, Percent |
25.65%
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24.25%
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6.74%
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| ALPS Global Opportunity Portfolio - Class I |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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ALPS Global Opportunity Portfolio (Class I)
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| Average Annual Return, Percent |
12.82%
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12.88%
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9.02%
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| ALPS Global Opportunity Portfolio - Class III |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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ALPS Global Opportunity Portfolio (Class III)
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| Average Annual Return, Percent |
12.61%
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12.54%
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8.68%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class I - Bloomberg US Aggregate Bond Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US Aggregate Bond Index
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| Average Annual Return, Percent |
6.08%
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(0.73%)
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1.76%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class II - Bloomberg US Aggregate Bond Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US Aggregate Bond Index
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| Average Annual Return, Percent |
6.08%
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(0.73%)
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1.76%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class I - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class II - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class I - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class II - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class I - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class II - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class I - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class II - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| ALPS/Alerian Energy Infrastructure Portfolio - Class I - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| ALPS/Alerian Energy Infrastructure Portfolio - Class III - Bloomberg US 1000 Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US 1000 Index
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| Average Annual Return, Percent |
15.45%
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16.15%
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13.31%
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| ALPS Global Opportunity Portfolio - Class I - Morningstar Developed Markets Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Developed Markets Index
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| Average Annual Return, Percent |
16.08%
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14.04%
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10.25%
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| ALPS Global Opportunity Portfolio - Class III - Morningstar Developed Markets Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Morningstar Developed Markets Index
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| Average Annual Return, Percent |
16.08%
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14.04%
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10.25%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class I - Conservative Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Conservative Blended Benchmark-1 (20% Equity)
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| Average Annual Return, Percent |
8.79%
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2.66%
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3.75%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class I - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
7.86%
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2.96%
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4.24%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class II - Conservative Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Conservative Blended Benchmark-1 (20% Equity)
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| Average Annual Return, Percent |
8.79%
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2.66%
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3.75%
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| Morningstar Conservative ETF Asset Allocation Portfolio - Class II - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
7.86%
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2.96%
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4.24%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class I - Income & Growth Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Income & Growth Blended Benchmark-1 (40% Equity)
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| Average Annual Return, Percent |
10.65%
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5.47%
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5.65%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class I - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
9.73%
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6.34%
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6.65%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class I - Bloomberg US Aggregate Bond Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US Aggregate Bond Index
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| Average Annual Return, Percent |
6.08%
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(0.73%)
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1.76%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class II - Income & Growth Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Income & Growth Blended Benchmark-1 (40% Equity)
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| Average Annual Return, Percent |
10.65%
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5.47%
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5.65%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class II - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
9.73%
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6.34%
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6.65%
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| Morningstar Income and Growth ETF Asset Allocation Portfolio - Class II - Bloomberg US Aggregate Bond Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US Aggregate Bond Index
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| Average Annual Return, Percent |
6.08%
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(0.73%)
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1.76%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class I - Balanced Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Balanced Blended Benchmark-1
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| Average Annual Return, Percent |
12.46%
|
8.35%
|
7.50%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class I - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
11.59%
|
9.70%
|
9.02%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class I - Bloomberg US Aggregate Bond Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US Aggregate Bond Index
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| Average Annual Return, Percent |
6.08%
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(0.73%)
|
1.76%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class II - Balanced Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Balanced Blended Benchmark-1
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| Average Annual Return, Percent |
12.46%
|
8.35%
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7.50%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class II - Balanced Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
11.59%
|
9.70%
|
9.02%
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| Morningstar Balanced ETF Asset Allocation Portfolio - Class II - Bloomberg US Aggregate Bond Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Bloomberg US Aggregate Bond Index
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| Average Annual Return, Percent |
6.08%
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(0.73%)
|
1.76%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class I - Growth Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Growth Blended Benchmark-1
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| Average Annual Return, Percent |
14.20%
|
11.34%
|
9.30%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class I - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
13.41%
|
13.12%
|
11.35%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class II - Growth Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Growth Blended Benchmark-1
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| Average Annual Return, Percent |
14.20%
|
11.34%
|
9.30%
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| Morningstar Growth ETF Asset Allocation Portfolio - Class II - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
13.41%
|
13.12%
|
11.35%
|
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| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class I - Aggressive Growth Blended Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Aggressive Growth Blended Benchmark-1 (95% Equity)
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| Average Annual Return, Percent |
15.45%
|
13.65%
|
10.67%
|
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| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class I - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Blended Secondary Benchmark
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| Average Annual Return, Percent |
14.73%
|
15.76%
|
13.08%
|
|
| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class II - Aggressive Growth Blended Benchmark |
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| Average Annual Return [Line Items] |
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|
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| Line Graph and Table Measure Name |
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Aggressive Growth Blended Benchmark-1 (95% Equity)
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|
| Average Annual Return, Percent |
15.45%
|
13.65%
|
10.67%
|
|
| Morningstar Aggressive Growth ETF Asset Allocation Portfolio - Class II - Blended Secondary Benchmark |
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| Average Annual Return [Line Items] |
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|
|
|
| Line Graph and Table Measure Name |
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|
Blended Secondary Benchmark
|
|
| Average Annual Return, Percent |
14.73%
|
15.76%
|
13.08%
|
|
| ALPS/Alerian Energy Infrastructure Portfolio - Class I - Alerian Midstream Energy Select Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Alerian Midstream Energy Select Index
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|
| Average Annual Return, Percent |
28.17%
|
26.65%
|
8.63%
|
|
| ALPS/Alerian Energy Infrastructure Portfolio - Class III - Alerian Midstream Energy Select Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Alerian Midstream Energy Select Index
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|
| Average Annual Return, Percent |
28.17%
|
26.65%
|
8.63%
|
|
| ALPS Global Opportunity Portfolio - Class I - Red Rocks Global Listed Private Equity Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
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Red Rocks Global Listed Private Equity Index
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| Average Annual Return, Percent |
19.70%
|
13.63%
|
9.01%
|
|
| ALPS Global Opportunity Portfolio - Class III - Red Rocks Global Listed Private Equity Index |
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| Average Annual Return [Line Items] |
|
|
|
|
| Line Graph and Table Measure Name |
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Red Rocks Global Listed Private Equity Index
|
| Average Annual Return, Percent |
19.70%
|
13.63%
|
9.01%
|
|