Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000092122-19-000037-index-headers.html | 2019-07-30 17:45:58 | |
| 0000092122-19-000037-index.html | 2019-07-30 17:45:58 | |
| 0000092122-19-000037.txt | 2019-07-30 17:45:58 | |
 0000092122-19-000037-xbrl.zip | 1026263 | 2019-07-30 17:45:58 |
| ex3d-q22019.htm | 67880 | 2019-07-30 17:45:58 |
| ex3e-q22019.htm | 71055 | 2019-07-30 17:45:58 |
| FilingSummary.xml | 61750 | 2019-07-30 17:45:58 |
| Financial_Report.xlsx | 213308 | 2019-07-30 17:45:58 |
| MetaLinks.json | 1254695 | 2019-07-30 17:45:58 |
| R1.htm | 99880 | 2019-07-30 17:45:58 |
| R10.htm | 168369 | 2019-07-30 17:45:58 |
| R100.htm | 35437 | 2019-07-30 17:45:58 |
| R11.htm | 4750 | 2019-07-30 17:45:58 |
| R12.htm | 154804 | 2019-07-30 17:45:58 |
| R13.htm | 113269 | 2019-07-30 17:45:58 |
| R14.htm | 33077 | 2019-07-30 17:45:58 |
| R15.htm | 284432 | 2019-07-30 17:45:58 |
| R16.htm | 50961 | 2019-07-30 17:45:58 |
| R17.htm | 114696 | 2019-07-30 17:45:58 |
| R18.htm | 14898 | 2019-07-30 17:45:58 |
| R19.htm | 307620 | 2019-07-30 17:45:58 |
| R2.htm | 177116 | 2019-07-30 17:45:58 |
| R20.htm | 380233 | 2019-07-30 17:45:58 |
| R21.htm | 485429 | 2019-07-30 17:45:58 |
| R22.htm | 77624 | 2019-07-30 17:45:58 |
| R23.htm | 1335997 | 2019-07-30 17:45:58 |
| R24.htm | 202960 | 2019-07-30 17:45:58 |
| R25.htm | 42336 | 2019-07-30 17:45:58 |
| R26.htm | 260619 | 2019-07-30 17:45:58 |
| R27.htm | 48776 | 2019-07-30 17:45:58 |
| R28.htm | 281354 | 2019-07-30 17:45:58 |
| R29.htm | 43541 | 2019-07-30 17:45:58 |
| R3.htm | 8873 | 2019-07-30 17:45:58 |
| R30.htm | 91579 | 2019-07-30 17:45:58 |
| R31.htm | 305830 | 2019-07-30 17:45:58 |
| R32.htm | 375668 | 2019-07-30 17:45:58 |
| R33.htm | 478628 | 2019-07-30 17:45:58 |
| R34.htm | 69656 | 2019-07-30 17:45:58 |
| R35.htm | 440304 | 2019-07-30 17:45:58 |
| R36.htm | 196373 | 2019-07-30 17:45:58 |
| R37.htm | 23622 | 2019-07-30 17:45:58 |
| R38.htm | 10680 | 2019-07-30 17:45:58 |
| R39.htm | 40127 | 2019-07-30 17:45:58 |
| R4.htm | 55980 | 2019-07-30 17:45:58 |
| R40.htm | 13653 | 2019-07-30 17:45:58 |
| R41.htm | 32685 | 2019-07-30 17:45:58 |
| R42.htm | 20223 | 2019-07-30 17:45:58 |
| R43.htm | 26853 | 2019-07-30 17:45:58 |
| R44.htm | 13053 | 2019-07-30 17:45:58 |
| R45.htm | 64096 | 2019-07-30 17:45:58 |
| R46.htm | 21327 | 2019-07-30 17:45:58 |
| R47.htm | 83046 | 2019-07-30 17:45:58 |
| R48.htm | 18159 | 2019-07-30 17:45:58 |
| R49.htm | 16145 | 2019-07-30 17:45:58 |
| R5.htm | 26979 | 2019-07-30 17:45:58 |
| R50.htm | 23493 | 2019-07-30 17:45:58 |
| R51.htm | 61063 | 2019-07-30 17:45:58 |
| R52.htm | 7738 | 2019-07-30 17:45:58 |
| R53.htm | 43405 | 2019-07-30 17:45:58 |
| R54.htm | 10145 | 2019-07-30 17:45:58 |
| R55.htm | 32219 | 2019-07-30 17:45:58 |
| R56.htm | 130812 | 2019-07-30 17:45:58 |
| R57.htm | 23527 | 2019-07-30 17:45:58 |
| R58.htm | 25538 | 2019-07-30 17:45:58 |
| R59.htm | 6967 | 2019-07-30 17:45:58 |
| R6.htm | 229101 | 2019-07-30 17:45:58 |
| R60.htm | 52331 | 2019-07-30 17:45:58 |
| R61.htm | 39633 | 2019-07-30 17:45:58 |
| R62.htm | 15804 | 2019-07-30 17:45:58 |
| R63.htm | 18531 | 2019-07-30 17:45:58 |
| R64.htm | 11321 | 2019-07-30 17:45:58 |
| R65.htm | 173375 | 2019-07-30 17:45:58 |
| R66.htm | 51733 | 2019-07-30 17:45:58 |
| R67.htm | 27784 | 2019-07-30 17:45:58 |
| R68.htm | 10057 | 2019-07-30 17:45:58 |
| R69.htm | 17589 | 2019-07-30 17:45:58 |
| R7.htm | 12585 | 2019-07-30 17:45:58 |
| R70.htm | 83221 | 2019-07-30 17:45:58 |
| R71.htm | 299320 | 2019-07-30 17:45:58 |
| R72.htm | 9565 | 2019-07-30 17:45:58 |
| R73.htm | 22917 | 2019-07-30 17:45:58 |
| R74.htm | 17567 | 2019-07-30 17:45:58 |
| R75.htm | 12186 | 2019-07-30 17:45:58 |
| R76.htm | 55230 | 2019-07-30 17:45:58 |
| R77.htm | 28012 | 2019-07-30 17:45:58 |
| R78.htm | 19723 | 2019-07-30 17:45:58 |
| R79.htm | 144550 | 2019-07-30 17:45:58 |
| R8.htm | 310705 | 2019-07-30 17:45:58 |
| R80.htm | 72936 | 2019-07-30 17:45:58 |
| R81.htm | 33540 | 2019-07-30 17:45:58 |
| R82.htm | 13491 | 2019-07-30 17:45:58 |
| R83.htm | 17374 | 2019-07-30 17:45:58 |
| R84.htm | 31189 | 2019-07-30 17:45:58 |
| R85.htm | 53303 | 2019-07-30 17:45:58 |
| R86.htm | 25836 | 2019-07-30 17:45:58 |
| R87.htm | 43295 | 2019-07-30 17:45:58 |
| R88.htm | 13302 | 2019-07-30 17:45:58 |
| R89.htm | 44673 | 2019-07-30 17:45:58 |
| R9.htm | 6248 | 2019-07-30 17:45:58 |
| R90.htm | 55699 | 2019-07-30 17:45:58 |
| R91.htm | 46612 | 2019-07-30 17:45:58 |
| R92.htm | 43048 | 2019-07-30 17:45:58 |
| R93.htm | 49103 | 2019-07-30 17:45:58 |
| R94.htm | 74584 | 2019-07-30 17:45:58 |
| R95.htm | 23364 | 2019-07-30 17:45:58 |
| R96.htm | 26629 | 2019-07-30 17:45:58 |
| R97.htm | 27603 | 2019-07-30 17:45:58 |
| R98.htm | 36291 | 2019-07-30 17:45:58 |
| R99.htm | 134296 | 2019-07-30 17:45:58 |
| report.css | 2768 | 2019-07-30 17:45:58 |
| Show.js | 1086 | 2019-07-30 17:45:58 |
| so-20190630.xsd | 142596 | 2019-07-30 17:45:58 |
| so-20190630_cal.xml | 196784 | 2019-07-30 17:45:58 |
| so-20190630_def.xml | 1052043 | 2019-07-30 17:45:58 |
| so-20190630_lab.xml | 1624674 | 2019-07-30 17:45:58 |
| so-20190630_pre.xml | 1149322 | 2019-07-30 17:45:58 |
| so10q6302019.htm | 10840829 | 2019-07-30 17:45:58 |
| so10q6302019_htm.xml | 10185073 | 2019-07-30 17:45:58 |
| x31a1-q22019.htm | 13161 | 2019-07-30 17:45:58 |
| x31a2-q22019.htm | 13181 | 2019-07-30 17:45:58 |
| x31b1-q22019.htm | 13343 | 2019-07-30 17:45:58 |
| x31b2-q22019.htm | 13567 | 2019-07-30 17:45:58 |
| x31c1-q22019.htm | 13284 | 2019-07-30 17:45:58 |
| x31c2-q22019.htm | 13188 | 2019-07-30 17:45:58 |
| x31d1-q22019.htm | 13660 | 2019-07-30 17:45:58 |
| x31d2-q22019.htm | 13690 | 2019-07-30 17:45:58 |
| x31e1-q22019.htm | 13280 | 2019-07-30 17:45:58 |
| x31e2-q22019.htm | 13556 | 2019-07-30 17:45:58 |
| x31f1-q22019.htm | 13462 | 2019-07-30 17:45:58 |
| x31f2-q22019.htm | 13399 | 2019-07-30 17:45:58 |
| x32a-q22019.htm | 10322 | 2019-07-30 17:45:58 |
| x32b-q22019.htm | 10317 | 2019-07-30 17:45:58 |
| x32c-q22019.htm | 9841 | 2019-07-30 17:45:58 |
| x32d-q22019.htm | 9578 | 2019-07-30 17:45:58 |
| x32e-q22019.htm | 9691 | 2019-07-30 17:45:58 |
| x32f-q22019.htm | 10250 | 2019-07-30 17:45:58 |