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|---|---|---|
 0001618563-20-000107-index-headers.html | 2020-08-06 16:04:57 | |
| 0001618563-20-000107-index.html | 2020-08-06 16:04:57 | |
| 0001618563-20-000107.txt | 2020-08-06 16:04:57 | |
 0001618563-20-000107-xbrl.zip | 102183 | 2020-08-06 16:04:57 |
| ex991-q22020erss.htm | 3183812 | 2020-08-06 16:04:57 |
| FilingSummary.xml | 1962 | 2020-08-06 16:04:57 |
| Financial_Report.xlsx | 5646 | 2020-08-06 16:04:57 |
 image0a931.jpg | 9612 | 2020-08-06 16:04:57 |
 image1.jpg | 1807376 | 2020-08-06 16:04:57 |
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| MetaLinks.json | 24256 | 2020-08-06 16:04:57 |
| nsa-20200806.htm | 46451 | 2020-08-06 16:04:57 |
| nsa-20200806.xsd | 2838 | 2020-08-06 16:04:57 |
| nsa-20200806_cal.xml | 836 | 2020-08-06 16:04:57 |
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| nsa-20200806_htm.xml | 13976 | 2020-08-06 16:04:57 |
| nsa-20200806_lab.xml | 33243 | 2020-08-06 16:04:57 |
| nsa-20200806_pre.xml | 17936 | 2020-08-06 16:04:57 |
| R1.htm | 44438 | 2020-08-06 16:04:57 |
| report.css | 2767 | 2020-08-06 16:04:57 |
| Show.js | 1085 | 2020-08-06 16:04:57 |