Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001000753-20-000041-index-headers.html | 2020-08-03 18:30:48 | |
| 0001000753-20-000041-index.html | 2020-08-03 18:30:48 | |
| 0001000753-20-000041.txt | 2020-08-03 18:30:48 | |
 0001000753-20-000041-xbrl.zip | 556317 | 2020-08-03 18:30:48 |
| a06302020-nspex311.htm | 23610 | 2020-08-03 18:30:48 |
| a06302020-nspex312.htm | 23798 | 2020-08-03 18:30:48 |
| a06302020-nspex321.htm | 8197 | 2020-08-03 18:30:48 |
| a06302020-nspex322.htm | 8319 | 2020-08-03 18:30:48 |
| FilingSummary.xml | 18208 | 2020-08-03 18:30:48 |
| Financial_Report.xlsx | 53459 | 2020-08-03 18:30:48 |
| MetaLinks.json | 380853 | 2020-08-03 18:30:48 |
| nsp-20200630.htm | 1722473 | 2020-08-03 18:30:48 |
| nsp-20200630.xsd | 29869 | 2020-08-03 18:30:48 |
| nsp-20200630_cal.xml | 65612 | 2020-08-03 18:30:48 |
| nsp-20200630_def.xml | 66334 | 2020-08-03 18:30:48 |
 nsp-20200630_g1.jpg | 70165 | 2020-08-03 18:30:48 |
 nsp-20200630_g10.jpg | 58786 | 2020-08-03 18:30:48 |
 nsp-20200630_g11.jpg | 54424 | 2020-08-03 18:30:48 |
 nsp-20200630_g2.jpg | 60610 | 2020-08-03 18:30:48 |
 nsp-20200630_g3.jpg | 56876 | 2020-08-03 18:30:48 |
 nsp-20200630_g4.jpg | 54575 | 2020-08-03 18:30:48 |
 nsp-20200630_g5.jpg | 60066 | 2020-08-03 18:30:48 |
 nsp-20200630_g6.jpg | 40627 | 2020-08-03 18:30:48 |
 nsp-20200630_g7.jpg | 40678 | 2020-08-03 18:30:48 |
 nsp-20200630_g8.jpg | 32145 | 2020-08-03 18:30:48 |
 nsp-20200630_g9.jpg | 31661 | 2020-08-03 18:30:48 |
| nsp-20200630_htm.xml | 984700 | 2020-08-03 18:30:48 |
| nsp-20200630_lab.xml | 381297 | 2020-08-03 18:30:48 |
| nsp-20200630_pre.xml | 207089 | 2020-08-03 18:30:48 |
| R1.htm | 57861 | 2020-08-03 18:30:48 |
| R10.htm | 8901 | 2020-08-03 18:30:48 |
| R11.htm | 17474 | 2020-08-03 18:30:48 |
| R12.htm | 7001 | 2020-08-03 18:30:48 |
| R13.htm | 34725 | 2020-08-03 18:30:48 |
| R14.htm | 10628 | 2020-08-03 18:30:48 |
| R15.htm | 86019 | 2020-08-03 18:30:48 |
| R16.htm | 7168 | 2020-08-03 18:30:48 |
| R17.htm | 69571 | 2020-08-03 18:30:48 |
| R18.htm | 36645 | 2020-08-03 18:30:48 |
| R19.htm | 70195 | 2020-08-03 18:30:48 |
| R2.htm | 108035 | 2020-08-03 18:30:48 |
| R20.htm | 10789 | 2020-08-03 18:30:48 |
| R21.htm | 32272 | 2020-08-03 18:30:48 |
| R22.htm | 93649 | 2020-08-03 18:30:48 |
| R23.htm | 25234 | 2020-08-03 18:30:48 |
| R24.htm | 46010 | 2020-08-03 18:30:48 |
| R25.htm | 31153 | 2020-08-03 18:30:48 |
| R26.htm | 32199 | 2020-08-03 18:30:48 |
| R27.htm | 26984 | 2020-08-03 18:30:48 |
| R28.htm | 7048 | 2020-08-03 18:30:48 |
| R3.htm | 80723 | 2020-08-03 18:30:48 |
| R4.htm | 92052 | 2020-08-03 18:30:48 |
| R5.htm | 46446 | 2020-08-03 18:30:48 |
| R6.htm | 11014 | 2020-08-03 18:30:48 |
| R7.htm | 83446 | 2020-08-03 18:30:48 |
| R8.htm | 37707 | 2020-08-03 18:30:48 |
| R9.htm | 72852 | 2020-08-03 18:30:48 |
| report.css | 2767 | 2020-08-03 18:30:48 |
| Show.js | 1085 | 2020-08-03 18:30:48 |