Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001618563-20-000118-index-headers.html | 2020-09-22 16:24:27 | |
| 0001618563-20-000118-index.html | 2020-09-22 16:24:27 | |
| 0001618563-20-000118.txt | 2020-09-22 16:24:27 | |
 0001618563-20-000118-xbrl.zip | 21945 | 2020-09-22 16:24:27 |
| FilingSummary.xml | 2276 | 2020-09-22 16:24:27 |
| Financial_Report.xlsx | 5644 | 2020-09-22 16:24:27 |
| MetaLinks.json | 24256 | 2020-09-22 16:24:27 |
| nsa-20200922.htm | 81830 | 2020-09-22 16:24:27 |
| nsa-20200922.xsd | 2838 | 2020-09-22 16:24:27 |
| nsa-20200922_cal.xml | 836 | 2020-09-22 16:24:27 |
| nsa-20200922_def.xml | 17656 | 2020-09-22 16:24:27 |
| nsa-20200922_htm.xml | 13995 | 2020-09-22 16:24:27 |
| nsa-20200922_lab.xml | 33243 | 2020-09-22 16:24:27 |
| nsa-20200922_pre.xml | 17936 | 2020-09-22 16:24:27 |
| R1.htm | 43928 | 2020-09-22 16:24:27 |
| report.css | 2766 | 2020-09-22 16:24:27 |
| Show.js | 1085 | 2020-09-22 16:24:27 |