Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001000753-21-000007-index-headers.html | 2021-02-11 16:47:27 | |
| 0001000753-21-000007-index.html | 2021-02-11 16:47:27 | |
| 0001000753-21-000007.txt | 2021-02-11 16:47:27 | |
 0001000753-21-000007-xbrl.zip | 32478 | 2021-02-11 16:47:27 |
| a12312020-ex991earningsrel.htm | 364439 | 2021-02-11 16:47:27 |
| FilingSummary.xml | 1887 | 2021-02-11 16:47:27 |
| Financial_Report.xlsx | 5591 | 2021-02-11 16:47:27 |
| MetaLinks.json | 22175 | 2021-02-11 16:47:27 |
| nsp-20210211.htm | 31812 | 2021-02-11 16:47:27 |
| nsp-20210211.xsd | 2659 | 2021-02-11 16:47:27 |
| nsp-20210211_cal.xml | 804 | 2021-02-11 16:47:27 |
| nsp-20210211_def.xml | 6373 | 2021-02-11 16:47:27 |
| nsp-20210211_htm.xml | 13100 | 2021-02-11 16:47:27 |
| nsp-20210211_lab.xml | 30179 | 2021-02-11 16:47:27 |
| nsp-20210211_pre.xml | 16041 | 2021-02-11 16:47:27 |
| R1.htm | 43974 | 2021-02-11 16:47:27 |
| report.css | 2767 | 2021-02-11 16:47:27 |
| Show.js | 1085 | 2021-02-11 16:47:27 |