Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001692115-19-000071-index-headers.html | 2019-11-06 16:42:36 | |
| 0001692115-19-000071-index.html | 2019-11-06 16:42:36 | |
| 0001692115-19-000071.txt | 2019-11-06 16:42:36 | |
 0001692115-19-000071-xbrl.zip | 391238 | 2019-11-06 16:42:36 |
| FilingSummary.xml | 42528 | 2019-11-06 16:42:36 |
| Financial_Report.xlsx | 109238 | 2019-11-06 16:42:36 |
| MetaLinks.json | 726655 | 2019-11-06 16:42:36 |
| R1.htm | 62808 | 2019-11-06 16:42:36 |
| R10.htm | 152309 | 2019-11-06 16:42:36 |
| R11.htm | 262493 | 2019-11-06 16:42:36 |
| R12.htm | 63879 | 2019-11-06 16:42:36 |
| R13.htm | 21896 | 2019-11-06 16:42:36 |
| R14.htm | 131519 | 2019-11-06 16:42:36 |
| R15.htm | 6386 | 2019-11-06 16:42:36 |
| R16.htm | 355613 | 2019-11-06 16:42:36 |
| R17.htm | 118133 | 2019-11-06 16:42:36 |
| R18.htm | 11767 | 2019-11-06 16:42:36 |
| R19.htm | 50557 | 2019-11-06 16:42:36 |
| R2.htm | 124809 | 2019-11-06 16:42:36 |
| R20.htm | 38565 | 2019-11-06 16:42:36 |
| R21.htm | 106648 | 2019-11-06 16:42:36 |
| R22.htm | 102375 | 2019-11-06 16:42:36 |
| R23.htm | 151500 | 2019-11-06 16:42:36 |
| R24.htm | 156720 | 2019-11-06 16:42:36 |
| R25.htm | 61975 | 2019-11-06 16:42:36 |
| R26.htm | 16667 | 2019-11-06 16:42:36 |
| R27.htm | 122855 | 2019-11-06 16:42:36 |
| R28.htm | 357492 | 2019-11-06 16:42:36 |
| R29.htm | 118116 | 2019-11-06 16:42:36 |
| R3.htm | 10736 | 2019-11-06 16:42:36 |
| R30.htm | 8445 | 2019-11-06 16:42:36 |
| R31.htm | 44513 | 2019-11-06 16:42:36 |
| R32.htm | 16108 | 2019-11-06 16:42:36 |
| R33.htm | 30771 | 2019-11-06 16:42:36 |
| R34.htm | 7522 | 2019-11-06 16:42:36 |
| R35.htm | 17795 | 2019-11-06 16:42:36 |
| R36.htm | 31958 | 2019-11-06 16:42:36 |
| R37.htm | 29814 | 2019-11-06 16:42:36 |
| R38.htm | 11583 | 2019-11-06 16:42:36 |
| R39.htm | 9079 | 2019-11-06 16:42:36 |
| R4.htm | 77619 | 2019-11-06 16:42:36 |
| R40.htm | 26434 | 2019-11-06 16:42:36 |
| R41.htm | 29312 | 2019-11-06 16:42:36 |
| R42.htm | 8271 | 2019-11-06 16:42:36 |
| R43.htm | 13011 | 2019-11-06 16:42:36 |
| R44.htm | 26105 | 2019-11-06 16:42:36 |
| R45.htm | 19454 | 2019-11-06 16:42:36 |
| R46.htm | 19768 | 2019-11-06 16:42:36 |
| R47.htm | 32325 | 2019-11-06 16:42:36 |
| R48.htm | 44338 | 2019-11-06 16:42:36 |
| R49.htm | 8733 | 2019-11-06 16:42:36 |
| R5.htm | 52955 | 2019-11-06 16:42:36 |
| R50.htm | 26382 | 2019-11-06 16:42:36 |
| R51.htm | 4756 | 2019-11-06 16:42:36 |
| R52.htm | 7863 | 2019-11-06 16:42:36 |
| R53.htm | 21239 | 2019-11-06 16:42:36 |
| R54.htm | 4127 | 2019-11-06 16:42:36 |
| R55.htm | 37880 | 2019-11-06 16:42:36 |
| R56.htm | 126289 | 2019-11-06 16:42:36 |
| R57.htm | 58877 | 2019-11-06 16:42:36 |
| R58.htm | 15421 | 2019-11-06 16:42:36 |
| R59.htm | 77254 | 2019-11-06 16:42:36 |
| R6.htm | 109371 | 2019-11-06 16:42:36 |
| R60.htm | 4504 | 2019-11-06 16:42:36 |
| R61.htm | 110093 | 2019-11-06 16:42:36 |
| R62.htm | 11668 | 2019-11-06 16:42:36 |
| R63.htm | 4105 | 2019-11-06 16:42:36 |
| R64.htm | 30625 | 2019-11-06 16:42:36 |
| R65.htm | 7969 | 2019-11-06 16:42:36 |
| R66.htm | 8381 | 2019-11-06 16:42:36 |
| R67.htm | 22603 | 2019-11-06 16:42:36 |
| R68.htm | 57955 | 2019-11-06 16:42:36 |
| R7.htm | 93981 | 2019-11-06 16:42:36 |
| R8.htm | 128464 | 2019-11-06 16:42:36 |
| R9.htm | 103733 | 2019-11-06 16:42:36 |
| report.css | 2767 | 2019-11-06 16:42:36 |
| Show.js | 1085 | 2019-11-06 16:42:36 |
| swx-20190930.xsd | 66393 | 2019-11-06 16:42:36 |
| swx-20190930_cal.xml | 155972 | 2019-11-06 16:42:36 |
| swx-20190930_def.xml | 443926 | 2019-11-06 16:42:36 |
| swx-20190930_lab.xml | 847124 | 2019-11-06 16:42:36 |
| swx-20190930_pre.xml | 539030 | 2019-11-06 16:42:36 |
| swx930201910q.htm | 3812470 | 2019-11-06 16:42:36 |
| swx930201910q_htm.xml | 4031851 | 2019-11-06 16:42:36 |
| swxexhibit3101q3.htm | 25231 | 2019-11-06 16:42:36 |
| swxexhibit3102q3.htm | 25105 | 2019-11-06 16:42:36 |
| swxexhibit3201q3.htm | 11440 | 2019-11-06 16:42:36 |
| swxexhibit3202q3.htm | 11404 | 2019-11-06 16:42:36 |