Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000003153-22-000013-index-headers.html | 2022-04-27 09:42:44 | |
| 0000003153-22-000013-index.html | 2022-04-27 09:42:44 | |
| 0000003153-22-000013.txt | 2022-04-27 09:42:44 | |
 0000003153-22-000013-xbrl.zip | 14452 | 2022-04-27 09:42:44 |
| FilingSummary.xml | 1673 | 2022-04-27 09:42:44 |
| Financial_Report.xlsx | 5673 | 2022-04-27 09:42:44 |
| MetaLinks.json | 21100 | 2022-04-27 09:42:44 |
| R1.htm | 38954 | 2022-04-27 09:42:44 |
| report.css | 2767 | 2022-04-27 09:42:44 |
| Show.js | 1084 | 2022-04-27 09:42:44 |
| so-20220422.htm | 51842 | 2022-04-27 09:42:44 |
| so-20220422.xsd | 2337 | 2022-04-27 09:42:44 |
| so-20220422_def.xml | 15985 | 2022-04-27 09:42:44 |
| so-20220422_htm.xml | 10909 | 2022-04-27 09:42:44 |
| so-20220422_lab.xml | 30013 | 2022-04-27 09:42:44 |
| so-20220422_pre.xml | 16131 | 2022-04-27 09:42:44 |