Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001000753-22-000007-index-headers.html | 2022-02-10 16:40:44 | |
| 0001000753-22-000007-index.html | 2022-02-10 16:40:44 | |
| 0001000753-22-000007.txt | 2022-02-10 16:40:44 | |
 0001000753-22-000007-xbrl.zip | 30375 | 2022-02-10 16:40:44 |
| a12312021-ex991earningsrel.htm | 321808 | 2022-02-10 16:40:44 |
| FilingSummary.xml | 1790 | 2022-02-10 16:40:44 |
| Financial_Report.xlsx | 5713 | 2022-02-10 16:40:44 |
| MetaLinks.json | 21005 | 2022-02-10 16:40:44 |
| nsp-20220210.htm | 29240 | 2022-02-10 16:40:44 |
| nsp-20220210.xsd | 2394 | 2022-02-10 16:40:44 |
| nsp-20220210_def.xml | 5856 | 2022-02-10 16:40:44 |
| nsp-20220210_htm.xml | 11120 | 2022-02-10 16:40:44 |
| nsp-20220210_lab.xml | 29088 | 2022-02-10 16:40:44 |
| nsp-20220210_pre.xml | 15350 | 2022-02-10 16:40:44 |
| R1.htm | 41552 | 2022-02-10 16:40:44 |
| report.css | 2767 | 2022-02-10 16:40:44 |
| Show.js | 1085 | 2022-02-10 16:40:44 |