Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-001308-index-headers.html | 2021-08-11 20:53:57 | |
| 0000950170-21-001308-index.html | 2021-08-11 20:53:57 | |
| 0000950170-21-001308.txt | 2021-08-11 20:53:57 | |
 0000950170-21-001308-xbrl.zip | 317594 | 2021-08-11 20:53:57 |
| FilingSummary.xml | 59740 | 2021-08-11 20:53:57 |
| Financial_Report.xlsx | 132518 | 2021-08-11 20:53:57 |
| lfst-20210630.htm | 4346884 | 2021-08-11 20:53:57 |
| lfst-20210630.xsd | 84879 | 2021-08-11 20:53:57 |
| lfst-20210630ex31_1.htm | 15589 | 2021-08-11 20:53:57 |
| lfst-20210630ex31_2.htm | 15572 | 2021-08-11 20:53:57 |
| lfst-20210630ex32_1.htm | 9707 | 2021-08-11 20:53:57 |
| lfst-20210630ex32_2.htm | 9704 | 2021-08-11 20:53:57 |
| lfst-20210630_cal.xml | 52240 | 2021-08-11 20:53:57 |
| lfst-20210630_def.xml | 373134 | 2021-08-11 20:53:57 |
| lfst-20210630_htm.xml | 3513435 | 2021-08-11 20:53:57 |
| lfst-20210630_lab.xml | 583127 | 2021-08-11 20:53:57 |
| lfst-20210630_pre.xml | 515329 | 2021-08-11 20:53:57 |
| MetaLinks.json | 802165 | 2021-08-11 20:53:57 |
| R1.htm | 55650 | 2021-08-11 20:53:57 |
| R10.htm | 234796 | 2021-08-11 20:53:57 |
| R11.htm | 89482 | 2021-08-11 20:53:57 |
| R12.htm | 58281 | 2021-08-11 20:53:57 |
| R13.htm | 77223 | 2021-08-11 20:53:57 |
| R14.htm | 23721 | 2021-08-11 20:53:57 |
| R15.htm | 83394 | 2021-08-11 20:53:57 |
| R16.htm | 174913 | 2021-08-11 20:53:57 |
| R17.htm | 48151 | 2021-08-11 20:53:57 |
| R18.htm | 82240 | 2021-08-11 20:53:57 |
| R19.htm | 172966 | 2021-08-11 20:53:57 |
| R2.htm | 109290 | 2021-08-11 20:53:57 |
| R20.htm | 108407 | 2021-08-11 20:53:57 |
| R21.htm | 63793 | 2021-08-11 20:53:57 |
| R22.htm | 112519 | 2021-08-11 20:53:57 |
| R23.htm | 31552 | 2021-08-11 20:53:57 |
| R24.htm | 7647 | 2021-08-11 20:53:57 |
| R25.htm | 37144 | 2021-08-11 20:53:57 |
| R26.htm | 188627 | 2021-08-11 20:53:57 |
| R27.htm | 234445 | 2021-08-11 20:53:57 |
| R28.htm | 90697 | 2021-08-11 20:53:57 |
| R29.htm | 58584 | 2021-08-11 20:53:57 |
| R3.htm | 39304 | 2021-08-11 20:53:57 |
| R30.htm | 72594 | 2021-08-11 20:53:57 |
| R31.htm | 22527 | 2021-08-11 20:53:57 |
| R32.htm | 72337 | 2021-08-11 20:53:57 |
| R33.htm | 172599 | 2021-08-11 20:53:57 |
| R34.htm | 46235 | 2021-08-11 20:53:57 |
| R35.htm | 79217 | 2021-08-11 20:53:57 |
| R36.htm | 152410 | 2021-08-11 20:53:57 |
| R37.htm | 96237 | 2021-08-11 20:53:57 |
| R38.htm | 63683 | 2021-08-11 20:53:57 |
| R39.htm | 143424 | 2021-08-11 20:53:57 |
| R4.htm | 65036 | 2021-08-11 20:53:57 |
| R40.htm | 27714 | 2021-08-11 20:53:57 |
| R41.htm | 58693 | 2021-08-11 20:53:57 |
| R42.htm | 3885 | 2021-08-11 20:53:57 |
| R43.htm | 46466 | 2021-08-11 20:53:57 |
| R44.htm | 17901 | 2021-08-11 20:53:57 |
| R45.htm | 48671 | 2021-08-11 20:53:57 |
| R46.htm | 16948 | 2021-08-11 20:53:57 |
| R47.htm | 8365 | 2021-08-11 20:53:57 |
| R48.htm | 4657 | 2021-08-11 20:53:57 |
| R49.htm | 20703 | 2021-08-11 20:53:57 |
| R5.htm | 179154 | 2021-08-11 20:53:57 |
| R50.htm | 24151 | 2021-08-11 20:53:57 |
| R51.htm | 10085 | 2021-08-11 20:53:57 |
| R52.htm | 7785 | 2021-08-11 20:53:57 |
| R53.htm | 6640 | 2021-08-11 20:53:57 |
| R54.htm | 20638 | 2021-08-11 20:53:57 |
| R55.htm | 5880 | 2021-08-11 20:53:57 |
| R56.htm | 20861 | 2021-08-11 20:53:57 |
| R57.htm | 5383 | 2021-08-11 20:53:57 |
| R58.htm | 25666 | 2021-08-11 20:53:57 |
| R59.htm | 12157 | 2021-08-11 20:53:57 |
| R6.htm | 98010 | 2021-08-11 20:53:57 |
| R60.htm | 4030 | 2021-08-11 20:53:57 |
| R61.htm | 12672 | 2021-08-11 20:53:57 |
| R62.htm | 17367 | 2021-08-11 20:53:57 |
| R63.htm | 66289 | 2021-08-11 20:53:57 |
| R64.htm | 6020 | 2021-08-11 20:53:57 |
| R65.htm | 19013 | 2021-08-11 20:53:57 |
| R66.htm | 25837 | 2021-08-11 20:53:57 |
| R67.htm | 7025 | 2021-08-11 20:53:57 |
| R68.htm | 15555 | 2021-08-11 20:53:57 |
| R69.htm | 6994 | 2021-08-11 20:53:57 |
| R7.htm | 19078 | 2021-08-11 20:53:57 |
| R70.htm | 4939 | 2021-08-11 20:53:57 |
| R71.htm | 6805 | 2021-08-11 20:53:57 |
| R72.htm | 4168 | 2021-08-11 20:53:57 |
| R73.htm | 32639 | 2021-08-11 20:53:57 |
| R74.htm | 51471 | 2021-08-11 20:53:57 |
| R75.htm | 17459 | 2021-08-11 20:53:57 |
| R76.htm | 17452 | 2021-08-11 20:53:57 |
| R77.htm | 11930 | 2021-08-11 20:53:57 |
| R78.htm | 27623 | 2021-08-11 20:53:57 |
| R79.htm | 7304 | 2021-08-11 20:53:57 |
| R8.htm | 29285 | 2021-08-11 20:53:57 |
| R80.htm | 6677 | 2021-08-11 20:53:57 |
| R81.htm | 59939 | 2021-08-11 20:53:57 |
| R82.htm | 41615 | 2021-08-11 20:53:57 |
| R83.htm | 7577 | 2021-08-11 20:53:57 |
| R84.htm | 5019 | 2021-08-11 20:53:57 |
| R85.htm | 18915 | 2021-08-11 20:53:57 |
| R86.htm | 8218 | 2021-08-11 20:53:57 |
| R87.htm | 11659 | 2021-08-11 20:53:57 |
| R88.htm | 7370 | 2021-08-11 20:53:57 |
| R89.htm | 9895 | 2021-08-11 20:53:57 |
| R9.htm | 97930 | 2021-08-11 20:53:57 |
| R90.htm | 23015 | 2021-08-11 20:53:57 |
| R91.htm | 12472 | 2021-08-11 20:53:57 |
| R92.htm | 13971 | 2021-08-11 20:53:57 |
| report.css | 2768 | 2021-08-11 20:53:57 |
| Show.js | 1086 | 2021-08-11 20:53:57 |