Shareholder Report, Average Annual Return (Details)
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12 Months Ended |
60 Months Ended |
120 Months Ended |
Apr. 30, 2026 |
Apr. 30, 2026 |
Apr. 30, 2026 |
| C000015044 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Enhanced Dividend Income Strategy Fund — Class I
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| Average Annual Return, Percent |
30.68%
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10.73%
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9.22%
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| C000015042 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Enhanced Dividend Income Strategy Fund — Class A (including 5.5% maximum sales load)
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| Average Annual Return, Percent |
23.21%
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9.21%
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8.34%
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| C000015051 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Broad Market Bond Fund — Class A (including 4.5% maximum sales load)
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| Average Annual Return, Percent |
(1.32%)
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(1.01%)
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0.81%
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| C000015053 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Broad Market Bond Fund — Class I
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| Average Annual Return, Percent |
3.60%
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0.21%
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1.60%
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| C000015059 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington International Fund — Class I
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| Average Annual Return, Percent |
33.02%
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7.26%
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8.65%
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| C000015057 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington International Fund — Class A (including 5.5% maximum sales load)
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| Average Annual Return, Percent |
25.32%
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5.78%
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7.83%
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| C000015273 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington New York Municipal Bond Fund — Class A (including 4.5% maximum sales load)
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| Average Annual Return, Percent |
0.22%
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(0.54%)
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0.69%
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| C000015275 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington New York Municipal Bond Fund — Class I
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| Average Annual Return, Percent |
5.25%
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0.63%
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1.40%
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| C000107165 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Municipal Bond Fund — Class I
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| Average Annual Return, Percent |
5.62%
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0.84%
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1.65%
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| C000107164 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Municipal Bond Fund — Class A (including 4.5% maximum sales load)
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| Average Annual Return, Percent |
0.53%
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(0.33%)
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0.92%
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| C000107168 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Real Asset Fund — Class A (including 5.5% maximum sales load)
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| Average Annual Return, Percent |
21.40%
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5.90%
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5.39%
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| C000107169 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Real Asset Fund — Class I
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| Average Annual Return, Percent |
28.76%
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7.39%
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6.26%
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| C000107171 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Global Alpha Equities Fund — Class I
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| Average Annual Return, Percent |
8.53%
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5.15%
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5.32%
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| C000107170 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Global Alpha Equities Fund — Class A (including 5.5% maximum sales load)
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| Average Annual Return, Percent |
2.26%
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3.70%
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4.45%
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| C000107172 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Large-Cap Strategy Fund — Class I
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| Average Annual Return, Percent |
30.12%
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12.10%
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14.91%
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| Without Sales Load [Member] | C000015042 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Enhanced Dividend Income Strategy Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
30.37%
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10.45%
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8.96%
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| Without Sales Load [Member] | C000015051 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Broad Market Bond Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
3.32%
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(0.10%)
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1.28%
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| Without Sales Load [Member] | C000015057 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington International Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
32.64%
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6.98%
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8.44%
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| Without Sales Load [Member] | C000015273 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington New York Municipal Bond Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
4.98%
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0.38%
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1.15%
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| Without Sales Load [Member] | C000107164 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Municipal Bond Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
5.26%
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0.58%
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1.39%
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| Without Sales Load [Member] | C000107168 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Real Asset Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
28.44%
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7.11%
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5.99%
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| Without Sales Load [Member] | C000107170 [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Wilmington Global Alpha Equities Fund — Class A (excluding sales load)
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| Average Annual Return, Percent |
8.21%
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4.89%
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5.04%
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| Russell 1000 Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Russell 1000® Index
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| Average Annual Return, Percent |
30.42%
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12.32%
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15.01%
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| Bloomberg U S Aggregate Bond Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index
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| Average Annual Return, Percent |
4.06%
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0.18%
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1.67%
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| MSCI ACWI ex US Net Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
MSCI ACWI ex-US Net Index
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| Average Annual Return, Percent |
32.20%
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8.38%
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9.10%
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| Standard And Poor s Municipal Bond Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Standard & Poor's Municipal Bond Index
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| Average Annual Return, Percent |
5.99%
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0.93%
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2.13%
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| Standard And Poor s Intermediate Municipal Bond Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Standard & Poor’s Intermediate Municipal Bond Index
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| Average Annual Return, Percent |
6.09%
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1.22%
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2.21%
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| Standard And Poor s Intermediate Term New York AMT Free Municipal Bond Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Standard & Poor’s Intermediate Term New York AMT-Free Municipal Bond Index
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| Average Annual Return, Percent |
5.96%
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1.43%
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2.00%
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| Standard And Poor s Investment Grade Intermediate Municipal Bond Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Standard & Poor’s Investment Grade Intermediate Municipal Bond Index
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| Average Annual Return, Percent |
6.12%
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1.16%
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2.14%
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| MSCI ACWI Index Net [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
MSCI ACWI Index (Net)
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| Average Annual Return, Percent |
31.00%
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10.68%
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12.25%
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| Real Asset Blended Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Real Asset Blended Index
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| Average Annual Return, Percent |
31.50%
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7.84%
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6.67%
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| Bloomberg Commodity Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg Commodity Index
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| Average Annual Return, Percent |
44.82%
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13.17%
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7.58%
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| HFRX Equity Hedge Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
HFRX Equity Hedge Index
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| Average Annual Return, Percent |
14.07%
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6.24%
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5.46%
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| Russell 1000 Value Index [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Russell 1000® Value Index
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| Average Annual Return, Percent |
29.25%
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10.29%
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11.22%
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