Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-080150-index-headers.html | 2020-03-20 10:04:51 | |
| 0001193125-20-080150-index.html | 2020-03-20 10:04:51 | |
| 0001193125-20-080150.txt | 2020-03-20 10:04:51 | |
 0001193125-20-080150-xbrl.zip | 185934 | 2020-03-20 10:04:51 |
 BarChart1.png | 30055 | 2020-03-20 10:04:51 |
 BarChart2.png | 32823 | 2020-03-20 10:04:51 |
 BarChart3.png | 31359 | 2020-03-20 10:04:51 |
 BarChart4.png | 31468 | 2020-03-20 10:04:51 |
 BarChart5.png | 32425 | 2020-03-20 10:04:51 |
 BarChart6.png | 30072 | 2020-03-20 10:04:51 |
 BarChart7.png | 29528 | 2020-03-20 10:04:51 |
| d867544d485bpos.htm | 34549 | 2020-03-20 10:04:51 |
| FilingSummary.xml | 10899 | 2020-03-20 10:04:51 |
| nifi-20200228.xml | 470499 | 2020-03-20 10:04:51 |
| nifi-20200228.xsd | 43604 | 2020-03-20 10:04:51 |
| nifi-20200228_cal.xml | 4733 | 2020-03-20 10:04:51 |
| nifi-20200228_def.xml | 1448721 | 2020-03-20 10:04:51 |
| nifi-20200228_lab.xml | 222641 | 2020-03-20 10:04:51 |
| nifi-20200228_pre.xml | 1167966 | 2020-03-20 10:04:51 |
| R1.htm | 18257 | 2020-03-20 10:04:51 |
| R10.htm | 144868 | 2020-03-20 10:04:51 |
| R17.htm | 234752 | 2020-03-20 10:04:51 |
| R18.htm | 150023 | 2020-03-20 10:04:51 |
| R2.htm | 146261 | 2020-03-20 10:04:51 |
| R25.htm | 265387 | 2020-03-20 10:04:51 |
| R26.htm | 149833 | 2020-03-20 10:04:51 |
| R33.htm | 265108 | 2020-03-20 10:04:51 |
| R34.htm | 152369 | 2020-03-20 10:04:51 |
| R41.htm | 269393 | 2020-03-20 10:04:51 |
| R42.htm | 149909 | 2020-03-20 10:04:51 |
| R49.htm | 265203 | 2020-03-20 10:04:51 |
| R50.htm | 149932 | 2020-03-20 10:04:51 |
| R57.htm | 265218 | 2020-03-20 10:04:51 |
| R58.htm | 7489 | 2020-03-20 10:04:51 |
| R9.htm | 256207 | 2020-03-20 10:04:51 |
| report.css | 2767 | 2020-03-20 10:04:51 |
| Show.js | 1085 | 2020-03-20 10:04:51 |