Shareholder Report, Average Annual Return (Details)
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12 Months Ended |
60 Months Ended |
120 Months Ended |
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
| SA U.S. Fixed Income Fund | SA U.S Fixed Income Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAUFX
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| Average Annual Return, Percent |
3.62%
|
2.09%
|
1.42%
|
| SA Global Fixed Income Fund | SA Global Fixed Income Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAXIX
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| Average Annual Return, Percent |
3.93%
|
1.55%
|
1.30%
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| SA U.S. Core Market Fund | SA U.S. Core Market Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAMKX
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| Average Annual Return, Percent |
21.06%
|
12.00%
|
14.62%
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| SA U.S. Value Fund | SA U.S. Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SABTX
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| Average Annual Return, Percent |
33.24%
|
11.46%
|
11.65%
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| SA U.S. Small Company Fund | SA U.S. Small Company Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAUMX
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| Average Annual Return, Percent |
31.62%
|
9.13%
|
11.33%
|
| SA International Value Fund | SA International Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAHMX
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| Average Annual Return, Percent |
28.93%
|
13.73%
|
11.22%
|
| SA International Small Company Fund | SA International Small Company Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAISX
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| Average Annual Return, Percent |
17.41%
|
7.21%
|
8.75%
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| SA Emerging Markets Value Fund | SA Emerging Markets Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAEMX
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| Average Annual Return, Percent |
38.50%
|
10.29%
|
9.77%
|
| SA Real Estate Securities Fund | SA Real Estate Securities Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAREX
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| Average Annual Return, Percent |
13.93%
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2.98%
|
4.80%
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| SA Worldwide Moderate Growth Fund | SA Worldwide Moderate Growth Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
SAWMX
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| Average Annual Return, Percent |
20.79%
|
8.91%
|
9.25%
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| Regulatory Index [Member] | SA U.S Fixed Income Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
3.81%
|
0.04%
|
1.52%
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| Regulatory Index [Member] | SA Global Fixed Income Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
3.21%
|
0.43%
|
1.67%
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| Regulatory Index [Member] | SA U.S. Core Market Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
23.02%
|
12.31%
|
15.09%
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| Regulatory Index [Member] | SA U.S. Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
23.02%
|
12.31%
|
15.09%
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| Regulatory Index [Member] | SA U.S. Small Company Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
23.02%
|
12.31%
|
15.09%
|
| Regulatory Index [Member] | SA International Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
20.85%
|
8.80%
|
9.64%
|
| Regulatory Index [Member] | SA International Small Company Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
20.85%
|
8.80%
|
9.64%
|
| Regulatory Index [Member] | SA Emerging Markets Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory
Index
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| Average Annual Return, Percent |
38.85%
|
7.23%
|
10.11%
|
| Regulatory Index [Member] | SA Real Estate Securities Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
23.02%
|
12.31%
|
15.09%
|
| Regulatory Index [Member] | SA Worldwide Moderate Growth Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Regulatory Index
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| Average Annual Return, Percent |
23.78%
|
10.51%
|
12.45%
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| Additional Index [Member] | SA U.S Fixed Income Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
3.15%
|
2.06%
|
1.99%
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| Additional Index [Member] | SA Global Fixed Income Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
3.22%
|
2.28%
|
2.08%
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| Additional Index [Member] | SA U.S. Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
23.55%
|
11.83%
|
12.63%
|
| Additional Index [Member] | SA U.S. Small Company Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
31.35%
|
6.64%
|
10.96%
|
| Additional Index [Member] | SA International Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
27.47%
|
12.92%
|
10.61%
|
| Additional Index [Member] | SA International Small Company Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
20.30%
|
5.82%
|
8.28%
|
| Additional Index [Member] | SA Emerging Markets Value Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional
Index
|
|
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| Average Annual Return, Percent |
40.98%
|
10.80%
|
11.46%
|
| Additional Index [Member] | SA Real Estate Securities Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
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| Average Annual Return, Percent |
14.74%
|
3.67%
|
5.80%
|
| Additional Index [Member] | SA Worldwide Moderate Growth Fund [Member] |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Additional Index
|
|
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| Average Annual Return, Percent |
15.00%
|
7.42%
|
9.23%
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