Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-037696-index-headers.html | 2023-08-03 11:10:43 | |
| 0000950170-23-037696-index.html | 2023-08-03 11:10:43 | |
| 0000950170-23-037696.txt | 2023-08-03 11:10:43 | |
 0000950170-23-037696-xbrl.zip | 291826 | 2023-08-03 11:10:43 |
| FilingSummary.xml | 53622 | 2023-08-03 11:10:43 |
| Financial_Report.xlsx | 125108 | 2023-08-03 11:10:43 |
| MetaLinks.json | 939835 | 2023-08-03 11:10:43 |
| R1.htm | 51534 | 2023-08-03 11:10:43 |
| R10.htm | 88787 | 2023-08-03 11:10:43 |
| R11.htm | 111532 | 2023-08-03 11:10:43 |
| R12.htm | 284531 | 2023-08-03 11:10:43 |
| R13.htm | 54317 | 2023-08-03 11:10:43 |
| R14.htm | 177929 | 2023-08-03 11:10:43 |
| R15.htm | 102948 | 2023-08-03 11:10:43 |
| R16.htm | 7872 | 2023-08-03 11:10:43 |
| R17.htm | 83705 | 2023-08-03 11:10:43 |
| R18.htm | 11111 | 2023-08-03 11:10:43 |
| R19.htm | 69143 | 2023-08-03 11:10:43 |
| R2.htm | 94117 | 2023-08-03 11:10:43 |
| R20.htm | 11604 | 2023-08-03 11:10:43 |
| R21.htm | 9916 | 2023-08-03 11:10:43 |
| R22.htm | 123110 | 2023-08-03 11:10:43 |
| R23.htm | 177626 | 2023-08-03 11:10:43 |
| R24.htm | 12676 | 2023-08-03 11:10:43 |
| R25.htm | 268330 | 2023-08-03 11:10:43 |
| R26.htm | 43276 | 2023-08-03 11:10:43 |
| R27.htm | 76838 | 2023-08-03 11:10:43 |
| R28.htm | 95470 | 2023-08-03 11:10:43 |
| R29.htm | 273979 | 2023-08-03 11:10:43 |
| R3.htm | 10856 | 2023-08-03 11:10:43 |
| R30.htm | 26798 | 2023-08-03 11:10:43 |
| R31.htm | 55273 | 2023-08-03 11:10:43 |
| R32.htm | 178932 | 2023-08-03 11:10:43 |
| R33.htm | 97125 | 2023-08-03 11:10:43 |
| R34.htm | 51522 | 2023-08-03 11:10:43 |
| R35.htm | 38480 | 2023-08-03 11:10:43 |
| R36.htm | 113362 | 2023-08-03 11:10:43 |
| R37.htm | 175536 | 2023-08-03 11:10:43 |
| R38.htm | 258752 | 2023-08-03 11:10:43 |
| R39.htm | 9748 | 2023-08-03 11:10:43 |
| R4.htm | 76563 | 2023-08-03 11:10:43 |
| R40.htm | 18266 | 2023-08-03 11:10:43 |
| R41.htm | 18477 | 2023-08-03 11:10:43 |
| R42.htm | 24709 | 2023-08-03 11:10:43 |
| R43.htm | 44896 | 2023-08-03 11:10:43 |
| R44.htm | 41841 | 2023-08-03 11:10:43 |
| R45.htm | 9956 | 2023-08-03 11:10:43 |
| R46.htm | 27409 | 2023-08-03 11:10:43 |
| R47.htm | 19754 | 2023-08-03 11:10:43 |
| R48.htm | 21424 | 2023-08-03 11:10:43 |
| R49.htm | 24415 | 2023-08-03 11:10:43 |
| R5.htm | 31489 | 2023-08-03 11:10:43 |
| R50.htm | 11522 | 2023-08-03 11:10:43 |
| R51.htm | 24451 | 2023-08-03 11:10:43 |
| R52.htm | 10440 | 2023-08-03 11:10:43 |
| R53.htm | 15372 | 2023-08-03 11:10:43 |
| R54.htm | 13695 | 2023-08-03 11:10:43 |
| R55.htm | 8709 | 2023-08-03 11:10:43 |
| R56.htm | 4290 | 2023-08-03 11:10:43 |
| R57.htm | 29984 | 2023-08-03 11:10:43 |
| R58.htm | 18499 | 2023-08-03 11:10:43 |
| R59.htm | 14367 | 2023-08-03 11:10:43 |
| R6.htm | 81615 | 2023-08-03 11:10:43 |
| R60.htm | 15726 | 2023-08-03 11:10:43 |
| R61.htm | 20190 | 2023-08-03 11:10:43 |
| R62.htm | 4622 | 2023-08-03 11:10:43 |
| R63.htm | 29654 | 2023-08-03 11:10:43 |
| R64.htm | 27177 | 2023-08-03 11:10:43 |
| R65.htm | 94420 | 2023-08-03 11:10:43 |
| R66.htm | 13899 | 2023-08-03 11:10:43 |
| R67.htm | 68259 | 2023-08-03 11:10:43 |
| R68.htm | 26724 | 2023-08-03 11:10:43 |
| R69.htm | 14775 | 2023-08-03 11:10:43 |
| R7.htm | 44816 | 2023-08-03 11:10:43 |
| R70.htm | 7069 | 2023-08-03 11:10:43 |
| R71.htm | 6253 | 2023-08-03 11:10:43 |
| R72.htm | 26721 | 2023-08-03 11:10:43 |
| R73.htm | 24581 | 2023-08-03 11:10:43 |
| R74.htm | 35821 | 2023-08-03 11:10:43 |
| R75.htm | 5848 | 2023-08-03 11:10:43 |
| R76.htm | 6747 | 2023-08-03 11:10:43 |
| R77.htm | 75615 | 2023-08-03 11:10:43 |
| R8.htm | 12614 | 2023-08-03 11:10:43 |
| R9.htm | 27949 | 2023-08-03 11:10:43 |
| report.css | 2767 | 2023-08-03 11:10:43 |
| Show.js | 1085 | 2023-08-03 11:10:43 |
| sph-20230624.htm | 3841167 | 2023-08-03 11:10:43 |
| sph-20230624.xsd | 69434 | 2023-08-03 11:10:43 |
| sph-20230624_cal.xml | 57843 | 2023-08-03 11:10:43 |
| sph-20230624_def.xml | 288944 | 2023-08-03 11:10:43 |
| sph-20230624_htm.xml | 3599144 | 2023-08-03 11:10:43 |
| sph-20230624_lab.xml | 554610 | 2023-08-03 11:10:43 |
| sph-20230624_pre.xml | 452360 | 2023-08-03 11:10:43 |
| sph-ex31_1.htm | 15600 | 2023-08-03 11:10:43 |
| sph-ex31_2.htm | 15627 | 2023-08-03 11:10:43 |
| sph-ex32_1.htm | 10203 | 2023-08-03 11:10:43 |
| sph-ex32_2.htm | 10233 | 2023-08-03 11:10:43 |