Shareholder Report, Average Annual Return (Details)
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12 Months Ended |
60 Months Ended |
92 Months Ended |
94 Months Ended |
105 Months Ended |
120 Months Ended |
300 Months Ended |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
| C000178444 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class A with load
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| Average Annual Return, Percent |
(1.82%)
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(1.53%)
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0.41%
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| C000178445 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class N
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| C000178446 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class Y
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| C000167845 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class A with load
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| Average Annual Return, Percent |
6.37%
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8.68%
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10.68%
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| C000167846 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class C
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| Average Annual Return, Percent |
10.99%
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9.14%
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10.67%
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| C000190736 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class N
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| C000167847 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class Y
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| C000094872 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class A with load
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| Average Annual Return, Percent |
(10.57%)
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0.24%
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2.39%
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| C000094873 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class C
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| Average Annual Return, Percent |
(6.81%)
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0.67%
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2.38%
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| C000190734 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class N
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| C000190735 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class Y
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| C000018161 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class A with load
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| Average Annual Return, Percent |
18.03%
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13.90%
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13.39%
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| C000018163 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class C
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| Average Annual Return, Percent |
23.32%
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14.39%
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13.38%
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| C000190732 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class N
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| C000018164 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class Y
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| C000018172 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class A with load
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| Average Annual Return, Percent |
(1.22%)
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9.45%
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7.83%
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| C000018174 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class C
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| Average Annual Return, Percent |
3.00%
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9.92%
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7.81%
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| C000190733 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class N
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| C000069268 |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Class Y
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| Without Sales Load [Member] | C000178444 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
2.57%
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(0.67%)
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0.96%
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| Without Sales Load [Member] | C000178445 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
2.85%
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(0.39%)
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1.26%
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| Without Sales Load [Member] | C000178446 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
2.80%
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(0.41%)
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1.21%
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| Without Sales Load [Member] | C000167845 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
12.83%
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9.97%
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11.43%
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| Without Sales Load [Member] | C000167846 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
11.99%
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9.14%
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10.67%
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| Without Sales Load [Member] | C000190736 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
13.15%
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10.30%
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11.71%
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| Without Sales Load [Member] | C000167847 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
13.06%
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10.25%
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11.70%
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| Without Sales Load [Member] | C000094872 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
(5.13%)
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1.43%
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3.00%
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| Without Sales Load [Member] | C000094873 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
(5.88%)
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0.67%
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2.38%
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| Without Sales Load [Member] | C000190734 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
(4.82%)
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1.75%
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2.05%
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| Without Sales Load [Member] | C000190735 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
(4.89%)
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1.68%
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3.19%
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[1] |
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| Without Sales Load [Member] | C000018161 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
25.23%
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15.26%
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14.06%
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| Without Sales Load [Member] | C000018163 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
24.32%
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14.39%
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13.38%
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| Without Sales Load [Member] | C000190732 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
25.60%
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15.62%
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15.29%
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| Without Sales Load [Member] | C000018164 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
25.54%
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15.54%
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14.34%
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0.00%
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| Without Sales Load [Member] | C000018172 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
4.80%
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10.75%
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8.47%
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| Without Sales Load [Member] | C000018174 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
4.00%
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9.92%
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7.81%
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| Without Sales Load [Member] | C000190733 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
5.08%
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11.09%
|
9.02%
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| Without Sales Load [Member] | C000069268 |
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| Average Annual Return [Line Items] |
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| Average Annual Return, Percent |
5.05%
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11.04%
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8.74%
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| NATIXIS INDEX: Bloomberg Global Aggregate Bond Index – USD Hedged |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg Global Aggregate Bond Index - USD Hedged
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| Average Annual Return, Percent |
3.40%
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0.48%
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1.86%
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| NATIXIS INDEX: Bloomberg Global Aggregate Bond Index – USD Hedged |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg Global Aggregate Bond Index - USD Hedged
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| Average Annual Return, Percent |
3.40%
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0.48%
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1.86%
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| NATIXIS INDEX: Bloomberg Global Aggregate Bond Index – USD Hedged |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg Global Aggregate Bond Index - USD Hedged
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| Average Annual Return, Percent |
3.40%
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0.48%
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1.86%
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| NATIXIS INDEX: S&P 500® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
25.02%
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14.53%
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13.10%
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| NATIXIS INDEX: S&P 500® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
25.02%
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14.53%
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13.10%
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| NATIXIS INDEX: S&P 500® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
25.02%
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14.53%
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14.37%
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| NATIXIS INDEX: S&P 500® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
25.02%
|
14.53%
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13.10%
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23.30%
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| NATIXIS INDEX: Russell 3000® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Russell 3000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
23.81%
|
13.86%
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|
12.55%
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| NATIXIS INDEX: Russell 3000® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Russell 3000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
23.81%
|
13.86%
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|
12.55%
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| NATIXIS INDEX: Russell 3000® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Russell 3000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
23.81%
|
13.86%
|
13.71%
|
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| NATIXIS INDEX: Russell 3000® Index |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Russell 3000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
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| Average Annual Return, Percent |
23.81%
|
13.86%
|
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|
12.55%
|
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| NATIXIS INDEX: Bloomberg MSCI Green Bond Index – USD Hedged |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg MSCI Global Green Bond Index - USD Hedged
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| Average Annual Return, Percent |
3.83%
|
(0.32%)
|
|
1.62%
|
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| NATIXIS INDEX: Bloomberg MSCI Green Bond Index – USD Hedged |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg MSCI Global Green Bond Index - USD Hedged
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| Average Annual Return, Percent |
3.83%
|
(0.32%)
|
|
1.62%
|
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| NATIXIS INDEX: Bloomberg MSCI Green Bond Index – USD Hedged |
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| Average Annual Return [Line Items] |
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| Line Graph and Table Measure Name |
Bloomberg MSCI Global Green Bond Index - USD Hedged
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| Average Annual Return, Percent |
3.83%
|
(0.32%)
|
|
1.62%
|
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| NATIXIS INDEX: MSCI World Index (Net) |
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|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
18.67%
|
11.17%
|
|
|
11.56%
|
|
|
|
| NATIXIS INDEX: MSCI World Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
18.67%
|
11.17%
|
|
|
11.56%
|
|
|
|
| NATIXIS INDEX: MSCI World Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
18.67%
|
11.17%
|
11.04%
|
|
|
|
|
|
| NATIXIS INDEX: MSCI World Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
18.67%
|
11.17%
|
|
|
11.56%
|
|
|
|
| NATIXIS INDEX: MSCI World ex USA Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World ex USA Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
4.70%
|
5.10%
|
|
|
|
5.26%
|
|
|
| NATIXIS INDEX: MSCI World ex USA Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World ex USA Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
4.70%
|
5.10%
|
|
|
|
5.26%
|
|
|
| NATIXIS INDEX: MSCI World ex USA Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World ex USA Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
4.70%
|
5.10%
|
5.70%
|
|
|
|
|
|
| NATIXIS INDEX: MSCI World ex USA Index (Net) |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
MSCI World ex USA Index (Net)
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
4.70%
|
5.10%
|
|
|
|
5.26%
|
|
|
| NATIXIS INDEX: Russell 1000® Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 1000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
24.51%
|
14.28%
|
|
|
|
12.87%
|
|
|
| NATIXIS INDEX: Russell 1000® Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 1000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
24.51%
|
14.28%
|
|
|
|
12.87%
|
|
|
| NATIXIS INDEX: Russell 1000® Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 1000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
24.51%
|
14.28%
|
14.12%
|
|
|
|
|
|
| NATIXIS INDEX: Russell 1000® Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 1000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
24.51%
|
14.28%
|
|
|
|
12.87%
|
|
14.12%
|
| NATIXIS INDEX: Russell 2000® Value Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 2000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Value Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
8.05%
|
7.29%
|
|
|
|
7.14%
|
|
|
| NATIXIS INDEX: Russell 2000® Value Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 2000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Value Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
8.05%
|
7.29%
|
|
|
|
7.14%
|
|
|
| NATIXIS INDEX: Russell 2000® Value Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 2000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Value Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
8.05%
|
7.29%
|
6.50%
|
|
|
|
|
|
| NATIXIS INDEX: Russell 2000® Value Index |
|
|
|
|
|
|
|
|
| Average Annual Return [Line Items] |
|
|
|
|
|
|
|
|
| Line Graph and Table Measure Name |
Russell 2000<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; white-space-collapse: preserve-breaks;">®</sup> Value Index
|
|
|
|
|
|
|
|
| Average Annual Return, Percent |
8.05%
|
7.29%
|
|
|
|
7.14%
|
|
|
|
|