Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000092122-21-000029-index-headers.html | 2021-03-19 08:13:20 | |
| 0000092122-21-000029-index.html | 2021-03-19 08:13:20 | |
| 0000092122-21-000029.txt | 2021-03-19 08:13:20 | |
 0000092122-21-000029-xbrl.zip | 21239 | 2021-03-19 08:13:20 |
| FilingSummary.xml | 1772 | 2021-03-19 08:13:20 |
| Financial_Report.xlsx | 6135 | 2021-03-19 08:13:20 |
| MetaLinks.json | 26654 | 2021-03-19 08:13:20 |
| R1.htm | 60378 | 2021-03-19 08:13:20 |
| report.css | 2767 | 2021-03-19 08:13:20 |
| Show.js | 1085 | 2021-03-19 08:13:20 |
| so-20210319.htm | 67510 | 2021-03-19 08:13:20 |
| so-20210319.xsd | 4520 | 2021-03-19 08:13:20 |
| so-20210319_cal.xml | 750 | 2021-03-19 08:13:20 |
| so-20210319_def.xml | 20200 | 2021-03-19 08:13:20 |
| so-20210319_htm.xml | 29497 | 2021-03-19 08:13:20 |
| so-20210319_lab.xml | 41870 | 2021-03-19 08:13:20 |
| so-20210319_pre.xml | 20827 | 2021-03-19 08:13:20 |