Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-004261-index-headers.html | 2023-02-24 09:30:22 | |
| 0000950170-23-004261-index.html | 2023-02-24 09:30:22 | |
| 0000950170-23-004261.txt | 2023-02-24 09:30:22 | |
 0000950170-23-004261-xbrl.zip | 459811 | 2023-02-24 09:30:22 |
| FilingSummary.xml | 67595 | 2023-02-24 09:30:22 |
| Financial_Report.xlsx | 170409 | 2023-02-24 09:30:22 |
 img3480493_0.jpg | 1468 | 2023-02-24 09:30:22 |
 img3480493_1.jpg | 27723 | 2023-02-24 09:30:22 |
| MetaLinks.json | 1250940 | 2023-02-24 09:30:22 |
| R1.htm | 71163 | 2023-02-24 09:30:22 |
| R10.htm | 277296 | 2023-02-24 09:30:22 |
| R100.htm | 19304 | 2023-02-24 09:30:22 |
| R101.htm | 54233 | 2023-02-24 09:30:22 |
| R102.htm | 8192 | 2023-02-24 09:30:22 |
| R11.htm | 106025 | 2023-02-24 09:30:22 |
| R12.htm | 162165 | 2023-02-24 09:30:22 |
| R13.htm | 57778 | 2023-02-24 09:30:22 |
| R14.htm | 150898 | 2023-02-24 09:30:22 |
| R15.htm | 80928 | 2023-02-24 09:30:22 |
| R16.htm | 174886 | 2023-02-24 09:30:22 |
| R17.htm | 70666 | 2023-02-24 09:30:22 |
| R18.htm | 158059 | 2023-02-24 09:30:22 |
| R19.htm | 111025 | 2023-02-24 09:30:22 |
| R2.htm | 132001 | 2023-02-24 09:30:22 |
| R20.htm | 31719 | 2023-02-24 09:30:22 |
| R21.htm | 319529 | 2023-02-24 09:30:22 |
| R22.htm | 137281 | 2023-02-24 09:30:22 |
| R23.htm | 206546 | 2023-02-24 09:30:22 |
| R24.htm | 7174 | 2023-02-24 09:30:22 |
| R25.htm | 264814 | 2023-02-24 09:30:22 |
| R26.htm | 188390 | 2023-02-24 09:30:22 |
| R27.htm | 84440 | 2023-02-24 09:30:22 |
| R28.htm | 57024 | 2023-02-24 09:30:22 |
| R29.htm | 260213 | 2023-02-24 09:30:22 |
| R3.htm | 21795 | 2023-02-24 09:30:22 |
| R30.htm | 100677 | 2023-02-24 09:30:22 |
| R31.htm | 139916 | 2023-02-24 09:30:22 |
| R32.htm | 53493 | 2023-02-24 09:30:22 |
| R33.htm | 133779 | 2023-02-24 09:30:22 |
| R34.htm | 78613 | 2023-02-24 09:30:22 |
| R35.htm | 192833 | 2023-02-24 09:30:22 |
| R36.htm | 70609 | 2023-02-24 09:30:22 |
| R37.htm | 145466 | 2023-02-24 09:30:22 |
| R38.htm | 74729 | 2023-02-24 09:30:22 |
| R39.htm | 25962 | 2023-02-24 09:30:22 |
| R4.htm | 88412 | 2023-02-24 09:30:22 |
| R40.htm | 313751 | 2023-02-24 09:30:22 |
| R41.htm | 107282 | 2023-02-24 09:30:22 |
| R42.htm | 208811 | 2023-02-24 09:30:22 |
| R43.htm | 254384 | 2023-02-24 09:30:22 |
| R44.htm | 92037 | 2023-02-24 09:30:22 |
| R45.htm | 10294 | 2023-02-24 09:30:22 |
| R46.htm | 18909 | 2023-02-24 09:30:22 |
| R47.htm | 35751 | 2023-02-24 09:30:22 |
| R48.htm | 35060 | 2023-02-24 09:30:22 |
| R49.htm | 19719 | 2023-02-24 09:30:22 |
| R5.htm | 32838 | 2023-02-24 09:30:22 |
| R50.htm | 24672 | 2023-02-24 09:30:22 |
| R51.htm | 26542 | 2023-02-24 09:30:22 |
| R52.htm | 22485 | 2023-02-24 09:30:22 |
| R53.htm | 8956 | 2023-02-24 09:30:22 |
| R54.htm | 67222 | 2023-02-24 09:30:22 |
| R55.htm | 14391 | 2023-02-24 09:30:22 |
| R56.htm | 22610 | 2023-02-24 09:30:22 |
| R57.htm | 19376 | 2023-02-24 09:30:22 |
| R58.htm | 8918 | 2023-02-24 09:30:22 |
| R59.htm | 21711 | 2023-02-24 09:30:22 |
| R6.htm | 72680 | 2023-02-24 09:30:22 |
| R60.htm | 4765 | 2023-02-24 09:30:22 |
| R61.htm | 9996 | 2023-02-24 09:30:22 |
| R62.htm | 9325 | 2023-02-24 09:30:22 |
| R63.htm | 11103 | 2023-02-24 09:30:22 |
| R64.htm | 8343 | 2023-02-24 09:30:22 |
| R65.htm | 5931 | 2023-02-24 09:30:22 |
| R66.htm | 30944 | 2023-02-24 09:30:22 |
| R67.htm | 7788 | 2023-02-24 09:30:22 |
| R68.htm | 44962 | 2023-02-24 09:30:22 |
| R69.htm | 8674 | 2023-02-24 09:30:22 |
| R7.htm | 91109 | 2023-02-24 09:30:22 |
| R70.htm | 36701 | 2023-02-24 09:30:22 |
| R71.htm | 8541 | 2023-02-24 09:30:22 |
| R72.htm | 10981 | 2023-02-24 09:30:22 |
| R73.htm | 33680 | 2023-02-24 09:30:22 |
| R74.htm | 7709 | 2023-02-24 09:30:22 |
| R75.htm | 26771 | 2023-02-24 09:30:22 |
| R76.htm | 14061 | 2023-02-24 09:30:22 |
| R77.htm | 5453 | 2023-02-24 09:30:22 |
| R78.htm | 17702 | 2023-02-24 09:30:22 |
| R79.htm | 25990 | 2023-02-24 09:30:22 |
| R8.htm | 145810 | 2023-02-24 09:30:22 |
| R80.htm | 6980 | 2023-02-24 09:30:22 |
| R81.htm | 75099 | 2023-02-24 09:30:22 |
| R82.htm | 18515 | 2023-02-24 09:30:22 |
| R83.htm | 6993 | 2023-02-24 09:30:22 |
| R84.htm | 20611 | 2023-02-24 09:30:22 |
| R85.htm | 124008 | 2023-02-24 09:30:22 |
| R86.htm | 15915 | 2023-02-24 09:30:22 |
| R87.htm | 9606 | 2023-02-24 09:30:22 |
| R88.htm | 7561 | 2023-02-24 09:30:22 |
| R89.htm | 11174 | 2023-02-24 09:30:22 |
| R9.htm | 71371 | 2023-02-24 09:30:22 |
| R90.htm | 30424 | 2023-02-24 09:30:22 |
| R91.htm | 44247 | 2023-02-24 09:30:22 |
| R92.htm | 9812 | 2023-02-24 09:30:22 |
| R93.htm | 21303 | 2023-02-24 09:30:22 |
| R94.htm | 25748 | 2023-02-24 09:30:22 |
| R95.htm | 13800 | 2023-02-24 09:30:22 |
| R96.htm | 36472 | 2023-02-24 09:30:22 |
| R97.htm | 13464 | 2023-02-24 09:30:22 |
| R98.htm | 26683 | 2023-02-24 09:30:22 |
| R99.htm | 21690 | 2023-02-24 09:30:22 |
| report.css | 2768 | 2023-02-24 09:30:22 |
| Show.js | 1086 | 2023-02-24 09:30:22 |
| sp-20221231.htm | 5913161 | 2023-02-24 09:30:22 |
| sp-20221231.xsd | 100405 | 2023-02-24 09:30:22 |
| sp-20221231_cal.xml | 119695 | 2023-02-24 09:30:22 |
| sp-20221231_def.xml | 365798 | 2023-02-24 09:30:22 |
| sp-20221231_htm.xml | 5783243 | 2023-02-24 09:30:22 |
| sp-20221231_lab.xml | 794779 | 2023-02-24 09:30:22 |
| sp-20221231_pre.xml | 638283 | 2023-02-24 09:30:22 |
| sp-ex21.htm | 55801 | 2023-02-24 09:30:22 |
| sp-ex23.htm | 8219 | 2023-02-24 09:30:22 |
| sp-ex31_1.htm | 19894 | 2023-02-24 09:30:22 |
| sp-ex31_2.htm | 23219 | 2023-02-24 09:30:22 |
| sp-ex31_3.htm | 18367 | 2023-02-24 09:30:22 |
| sp-ex32.htm | 23226 | 2023-02-24 09:30:22 |