Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-020621-index-headers.html | 2022-08-03 16:19:14 | |
| 0001628280-22-020621-index.html | 2022-08-03 16:19:14 | |
| 0001628280-22-020621.txt | 2022-08-03 16:19:14 | |
 0001628280-22-020621-xbrl.zip | 97399 | 2022-08-03 16:19:14 |
| ex991-q22022erss.htm | 2285104 | 2022-08-03 16:19:14 |
| FilingSummary.xml | 1793 | 2022-08-03 16:19:14 |
| Financial_Report.xlsx | 5919 | 2022-08-03 16:19:14 |
 image0a93a.jpg | 9612 | 2022-08-03 16:19:14 |
| MetaLinks.json | 23561 | 2022-08-03 16:19:14 |
| nsa-20220803.htm | 40916 | 2022-08-03 16:19:14 |
| nsa-20220803.xsd | 2561 | 2022-08-03 16:19:14 |
| nsa-20220803_def.xml | 17493 | 2022-08-03 16:19:14 |
| nsa-20220803_htm.xml | 15307 | 2022-08-03 16:19:14 |
| nsa-20220803_lab.xml | 33079 | 2022-08-03 16:19:14 |
| nsa-20220803_pre.xml | 17772 | 2022-08-03 16:19:14 |
 nsa-2022q2erfrontcovera.jpg | 383892 | 2022-08-03 16:19:14 |
 nsamap_q22022xfinala.jpg | 92602 | 2022-08-03 16:19:14 |
| R1.htm | 44368 | 2022-08-03 16:19:14 |
| report.css | 2767 | 2022-08-03 16:19:14 |
| Show.js | 1085 | 2022-08-03 16:19:14 |