Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000092122-19-000006-index-headers.html | 2019-02-19 18:34:01 | |
| 0000092122-19-000006-index.html | 2019-02-19 18:34:01 | |
| 0000092122-19-000006.txt | 2019-02-19 18:34:01 | |
 0000092122-19-000006-xbrl.zip | 1787285 | 2019-02-19 18:34:01 |
 apclogohorza08.jpg | 25939 | 2019-02-19 18:34:01 |
| ex10a21_2018x10k.htm | 19311 | 2019-02-19 18:34:01 |
| ex10a22_2018x10k.htm | 18332 | 2019-02-19 18:34:01 |
| ex10a23_2018x10k.htm | 12699 | 2019-02-19 18:34:01 |
| ex10a24_2018x10k.htm | 17343 | 2019-02-19 18:34:01 |
| ex10a25_2018x10k.htm | 133711 | 2019-02-19 18:34:01 |
| ex10a26_2018x10k.htm | 18894 | 2019-02-19 18:34:01 |
| ex10a27_2018x10k.htm | 43684 | 2019-02-19 18:34:01 |
| ex10a28_2018x10k.htm | 45171 | 2019-02-19 18:34:01 |
| ex10b2_2018x10k.htm | 64190 | 2019-02-19 18:34:01 |
| ex10c10_2018x10k.htm | 133638 | 2019-02-19 18:34:01 |
| ex10c12_2018-10k.htm | 140949 | 2019-02-19 18:34:01 |
| ex21a_2018x10k.htm | 96150 | 2019-02-19 18:34:01 |
| ex23a1_2018x10k.htm | 4193 | 2019-02-19 18:34:01 |
| ex23b1_2018x10k.htm | 2912 | 2019-02-19 18:34:01 |
| ex23c1_2018x10k.htm | 2775 | 2019-02-19 18:34:01 |
| ex23d1_2018x10k.htm | 2724 | 2019-02-19 18:34:01 |
| ex23e1_2018x10k.htm | 2806 | 2019-02-19 18:34:01 |
| ex23f1_2018x10k.htm | 2871 | 2019-02-19 18:34:01 |
| ex23f2_2018x10k.htm | 2748 | 2019-02-19 18:34:01 |
| ex23f3_2018x10k.htm | 3257 | 2019-02-19 18:34:01 |
| ex24a1_2018x10k.htm | 28387 | 2019-02-19 18:34:01 |
| ex24a2_2018x10k.htm | 16706 | 2019-02-19 18:34:01 |
| ex24b_2018x10k.htm | 33882 | 2019-02-19 18:34:01 |
| ex24c_2018x10k.htm | 26773 | 2019-02-19 18:34:01 |
| ex24d_2018x10k.htm | 30071 | 2019-02-19 18:34:01 |
| ex24e1_2018x10k.htm | 23791 | 2019-02-19 18:34:01 |
| ex24e2_2018x10k.htm | 4306 | 2019-02-19 18:34:01 |
| ex24f1_2018x10k.htm | 23470 | 2019-02-19 18:34:01 |
| ex24f2_2018x10k.htm | 6182 | 2019-02-19 18:34:01 |
| ex2a3_2018x10k.htm | 70638 | 2019-02-19 18:34:01 |
| ex3a1_2018x10k.htm | 39066 | 2019-02-19 18:34:01 |
| ex99f_2018-10k.htm | 591707 | 2019-02-19 18:34:01 |
| FilingSummary.xml | 130983 | 2019-02-19 18:34:01 |
| Financial_Report.xlsx | 501197 | 2019-02-19 18:34:01 |
 image0a16.jpg | 27421 | 2019-02-19 18:34:01 |
| R1.htm | 58784 | 2019-02-19 18:34:01 |
| R10.htm | 248256 | 2019-02-19 18:34:01 |
| R100.htm | 8406 | 2019-02-19 18:34:01 |
| R101.htm | 7373 | 2019-02-19 18:34:01 |
| R102.htm | 35206 | 2019-02-19 18:34:01 |
| R103.htm | 38500 | 2019-02-19 18:34:01 |
| R104.htm | 25436 | 2019-02-19 18:34:01 |
| R105.htm | 128820 | 2019-02-19 18:34:01 |
| R106.htm | 27651 | 2019-02-19 18:34:01 |
| R107.htm | 59404 | 2019-02-19 18:34:01 |
| R108.htm | 61661 | 2019-02-19 18:34:01 |
| R109.htm | 11688 | 2019-02-19 18:34:01 |
| R11.htm | 185703 | 2019-02-19 18:34:01 |
| R110.htm | 23137 | 2019-02-19 18:34:01 |
| R111.htm | 13576 | 2019-02-19 18:34:01 |
| R112.htm | 35896 | 2019-02-19 18:34:01 |
| R113.htm | 55316 | 2019-02-19 18:34:01 |
| R114.htm | 32969 | 2019-02-19 18:34:01 |
| R115.htm | 15886 | 2019-02-19 18:34:01 |
| R116.htm | 31576 | 2019-02-19 18:34:01 |
| R117.htm | 35471 | 2019-02-19 18:34:01 |
| R118.htm | 20721 | 2019-02-19 18:34:01 |
| R119.htm | 16735 | 2019-02-19 18:34:01 |
| R12.htm | 238341 | 2019-02-19 18:34:01 |
| R120.htm | 14037 | 2019-02-19 18:34:01 |
| R121.htm | 26790 | 2019-02-19 18:34:01 |
| R122.htm | 26339 | 2019-02-19 18:34:01 |
| R123.htm | 59481 | 2019-02-19 18:34:01 |
| R124.htm | 18335 | 2019-02-19 18:34:01 |
| R125.htm | 21996 | 2019-02-19 18:34:01 |
| R126.htm | 70857 | 2019-02-19 18:34:01 |
| R127.htm | 44899 | 2019-02-19 18:34:01 |
| R128.htm | 38471 | 2019-02-19 18:34:01 |
| R129.htm | 38412 | 2019-02-19 18:34:01 |
| R13.htm | 11417 | 2019-02-19 18:34:01 |
| R130.htm | 31347 | 2019-02-19 18:34:01 |
| R131.htm | 30735 | 2019-02-19 18:34:01 |
| R132.htm | 148834 | 2019-02-19 18:34:01 |
| R133.htm | 24142 | 2019-02-19 18:34:01 |
| R134.htm | 49242 | 2019-02-19 18:34:01 |
| R135.htm | 24657 | 2019-02-19 18:34:01 |
| R136.htm | 33476 | 2019-02-19 18:34:01 |
| R137.htm | 58670 | 2019-02-19 18:34:01 |
| R138.htm | 41060 | 2019-02-19 18:34:01 |
| R139.htm | 35044 | 2019-02-19 18:34:01 |
| R14.htm | 612996 | 2019-02-19 18:34:01 |
| R140.htm | 70457 | 2019-02-19 18:34:01 |
| R141.htm | 102834 | 2019-02-19 18:34:01 |
| R142.htm | 9795 | 2019-02-19 18:34:01 |
| R143.htm | 16918 | 2019-02-19 18:34:01 |
| R144.htm | 38325 | 2019-02-19 18:34:01 |
| R145.htm | 12705 | 2019-02-19 18:34:01 |
| R146.htm | 32378 | 2019-02-19 18:34:01 |
| R147.htm | 14272 | 2019-02-19 18:34:01 |
| R148.htm | 9130 | 2019-02-19 18:34:01 |
| R149.htm | 76979 | 2019-02-19 18:34:01 |
| R15.htm | 462130 | 2019-02-19 18:34:01 |
| R150.htm | 13385 | 2019-02-19 18:34:01 |
| R151.htm | 7026 | 2019-02-19 18:34:01 |
| R152.htm | 19851 | 2019-02-19 18:34:01 |
| R153.htm | 19212 | 2019-02-19 18:34:01 |
| R154.htm | 59212 | 2019-02-19 18:34:01 |
| R155.htm | 59249 | 2019-02-19 18:34:01 |
| R156.htm | 79498 | 2019-02-19 18:34:01 |
| R157.htm | 6515 | 2019-02-19 18:34:01 |
| R158.htm | 92280 | 2019-02-19 18:34:01 |
| R159.htm | 254270 | 2019-02-19 18:34:01 |
| R16.htm | 75449 | 2019-02-19 18:34:01 |
| R160.htm | 11101 | 2019-02-19 18:34:01 |
| R161.htm | 38023 | 2019-02-19 18:34:01 |
| R162.htm | 22492 | 2019-02-19 18:34:01 |
| R163.htm | 15080 | 2019-02-19 18:34:01 |
| R164.htm | 43457 | 2019-02-19 18:34:01 |
| R165.htm | 19931 | 2019-02-19 18:34:01 |
| R166.htm | 130010 | 2019-02-19 18:34:01 |
| R167.htm | 13915 | 2019-02-19 18:34:01 |
| R168.htm | 15838 | 2019-02-19 18:34:01 |
| R169.htm | 175349 | 2019-02-19 18:34:01 |
| R17.htm | 126701 | 2019-02-19 18:34:01 |
| R170.htm | 75558 | 2019-02-19 18:34:01 |
| R171.htm | 360947 | 2019-02-19 18:34:01 |
| R172.htm | 196256 | 2019-02-19 18:34:01 |
| R173.htm | 618495 | 2019-02-19 18:34:01 |
| R174.htm | 20271 | 2019-02-19 18:34:01 |
| R175.htm | 14199 | 2019-02-19 18:34:01 |
| R176.htm | 38353 | 2019-02-19 18:34:01 |
| R177.htm | 13583 | 2019-02-19 18:34:01 |
| R178.htm | 21923 | 2019-02-19 18:34:01 |
| R179.htm | 36710 | 2019-02-19 18:34:01 |
| R18.htm | 219027 | 2019-02-19 18:34:01 |
| R180.htm | 15504 | 2019-02-19 18:34:01 |
| R181.htm | 14979 | 2019-02-19 18:34:01 |
| R182.htm | 22399 | 2019-02-19 18:34:01 |
| R183.htm | 52137 | 2019-02-19 18:34:01 |
| R184.htm | 328108 | 2019-02-19 18:34:01 |
| R185.htm | 9409 | 2019-02-19 18:34:01 |
| R186.htm | 19360 | 2019-02-19 18:34:01 |
| R187.htm | 33400 | 2019-02-19 18:34:01 |
| R188.htm | 24991 | 2019-02-19 18:34:01 |
| R189.htm | 20827 | 2019-02-19 18:34:01 |
| R19.htm | 146306 | 2019-02-19 18:34:01 |
| R190.htm | 19643 | 2019-02-19 18:34:01 |
| R191.htm | 152431 | 2019-02-19 18:34:01 |
| R192.htm | 50032 | 2019-02-19 18:34:01 |
| R193.htm | 29888 | 2019-02-19 18:34:01 |
| R194.htm | 88942 | 2019-02-19 18:34:01 |
| R195.htm | 15183 | 2019-02-19 18:34:01 |
| R196.htm | 35867 | 2019-02-19 18:34:01 |
| R197.htm | 43468 | 2019-02-19 18:34:01 |
| R198.htm | 127077 | 2019-02-19 18:34:01 |
| R199.htm | 135369 | 2019-02-19 18:34:01 |
| R2.htm | 217657 | 2019-02-19 18:34:01 |
| R20.htm | 131279 | 2019-02-19 18:34:01 |
| R200.htm | 12928 | 2019-02-19 18:34:01 |
| R201.htm | 39523 | 2019-02-19 18:34:01 |
| R202.htm | 68691 | 2019-02-19 18:34:01 |
| R203.htm | 36794 | 2019-02-19 18:34:01 |
| R204.htm | 10394 | 2019-02-19 18:34:01 |
| R205.htm | 38602 | 2019-02-19 18:34:01 |
| R206.htm | 362743 | 2019-02-19 18:34:01 |
| R207.htm | 19199 | 2019-02-19 18:34:01 |
| R208.htm | 14488 | 2019-02-19 18:34:01 |
| R209.htm | 133664 | 2019-02-19 18:34:01 |
| R21.htm | 418093 | 2019-02-19 18:34:01 |
| R210.htm | 61718 | 2019-02-19 18:34:01 |
| R22.htm | 143815 | 2019-02-19 18:34:01 |
| R23.htm | 622148 | 2019-02-19 18:34:01 |
| R24.htm | 2164903 | 2019-02-19 18:34:01 |
| R25.htm | 147799 | 2019-02-19 18:34:01 |
| R26.htm | 758959 | 2019-02-19 18:34:01 |
| R27.htm | 576207 | 2019-02-19 18:34:01 |
| R28.htm | 158497 | 2019-02-19 18:34:01 |
| R29.htm | 443865 | 2019-02-19 18:34:01 |
| R3.htm | 5929 | 2019-02-19 18:34:01 |
| R30.htm | 191046 | 2019-02-19 18:34:01 |
| R31.htm | 232933 | 2019-02-19 18:34:01 |
| R32.htm | 445601 | 2019-02-19 18:34:01 |
| R33.htm | 650777 | 2019-02-19 18:34:01 |
| R34.htm | 516830 | 2019-02-19 18:34:01 |
| R35.htm | 31723 | 2019-02-19 18:34:01 |
| R36.htm | 126543 | 2019-02-19 18:34:01 |
| R37.htm | 250013 | 2019-02-19 18:34:01 |
| R38.htm | 845472 | 2019-02-19 18:34:01 |
| R39.htm | 111719 | 2019-02-19 18:34:01 |
| R4.htm | 78044 | 2019-02-19 18:34:01 |
| R40.htm | 347390 | 2019-02-19 18:34:01 |
| R41.htm | 130874 | 2019-02-19 18:34:01 |
| R42.htm | 613821 | 2019-02-19 18:34:01 |
| R43.htm | 2171214 | 2019-02-19 18:34:01 |
| R44.htm | 121776 | 2019-02-19 18:34:01 |
| R45.htm | 768373 | 2019-02-19 18:34:01 |
| R46.htm | 569808 | 2019-02-19 18:34:01 |
| R47.htm | 139110 | 2019-02-19 18:34:01 |
| R48.htm | 435788 | 2019-02-19 18:34:01 |
| R49.htm | 190915 | 2019-02-19 18:34:01 |
| R5.htm | 37951 | 2019-02-19 18:34:01 |
| R50.htm | 27559 | 2019-02-19 18:34:01 |
| R51.htm | 256892 | 2019-02-19 18:34:01 |
| R52.htm | 29506 | 2019-02-19 18:34:01 |
| R53.htm | 62295 | 2019-02-19 18:34:01 |
| R54.htm | 5591 | 2019-02-19 18:34:01 |
| R55.htm | 25729 | 2019-02-19 18:34:01 |
| R56.htm | 17308 | 2019-02-19 18:34:01 |
| R57.htm | 15833 | 2019-02-19 18:34:01 |
| R58.htm | 19616 | 2019-02-19 18:34:01 |
| R59.htm | 23191 | 2019-02-19 18:34:01 |
| R6.htm | 312146 | 2019-02-19 18:34:01 |
| R60.htm | 23528 | 2019-02-19 18:34:01 |
| R61.htm | 41261 | 2019-02-19 18:34:01 |
| R62.htm | 35987 | 2019-02-19 18:34:01 |
| R63.htm | 17352 | 2019-02-19 18:34:01 |
| R64.htm | 5670 | 2019-02-19 18:34:01 |
| R65.htm | 44183 | 2019-02-19 18:34:01 |
| R66.htm | 14663 | 2019-02-19 18:34:01 |
| R67.htm | 8061 | 2019-02-19 18:34:01 |
| R68.htm | 15845 | 2019-02-19 18:34:01 |
| R69.htm | 12905 | 2019-02-19 18:34:01 |
| R7.htm | 17906 | 2019-02-19 18:34:01 |
| R70.htm | 13149 | 2019-02-19 18:34:01 |
| R71.htm | 4130 | 2019-02-19 18:34:01 |
| R72.htm | 3952 | 2019-02-19 18:34:01 |
| R73.htm | 20606 | 2019-02-19 18:34:01 |
| R74.htm | 6398 | 2019-02-19 18:34:01 |
| R75.htm | 54550 | 2019-02-19 18:34:01 |
| R76.htm | 148233 | 2019-02-19 18:34:01 |
| R77.htm | 19003 | 2019-02-19 18:34:01 |
| R78.htm | 70880 | 2019-02-19 18:34:01 |
| R79.htm | 140702 | 2019-02-19 18:34:01 |
| R8.htm | 352441 | 2019-02-19 18:34:01 |
| R80.htm | 93890 | 2019-02-19 18:34:01 |
| R81.htm | 136213 | 2019-02-19 18:34:01 |
| R82.htm | 21762 | 2019-02-19 18:34:01 |
| R83.htm | 21838 | 2019-02-19 18:34:01 |
| R84.htm | 54619 | 2019-02-19 18:34:01 |
| R85.htm | 67263 | 2019-02-19 18:34:01 |
| R86.htm | 15073 | 2019-02-19 18:34:01 |
| R87.htm | 92190 | 2019-02-19 18:34:01 |
| R88.htm | 164382 | 2019-02-19 18:34:01 |
| R89.htm | 140270 | 2019-02-19 18:34:01 |
| R9.htm | 26612 | 2019-02-19 18:34:01 |
| R90.htm | 48172 | 2019-02-19 18:34:01 |
| R91.htm | 119832 | 2019-02-19 18:34:01 |
| R92.htm | 12755 | 2019-02-19 18:34:01 |
| R93.htm | 6767 | 2019-02-19 18:34:01 |
| R94.htm | 30660 | 2019-02-19 18:34:01 |
| R95.htm | 14776 | 2019-02-19 18:34:01 |
| R96.htm | 8271 | 2019-02-19 18:34:01 |
| R97.htm | 8044 | 2019-02-19 18:34:01 |
| R98.htm | 9522 | 2019-02-19 18:34:01 |
| R99.htm | 8550 | 2019-02-19 18:34:01 |
| R9999.htm | 100340 | 2019-02-19 18:34:01 |
| report.css | 2768 | 2019-02-19 18:34:01 |
| Show.js | 1086 | 2019-02-19 18:34:01 |
| so-20181231.xml | 24626284 | 2019-02-19 18:34:01 |
| so-20181231.xsd | 345484 | 2019-02-19 18:34:01 |
| so-20181231_cal.xml | 349151 | 2019-02-19 18:34:01 |
| so-20181231_def.xml | 2563748 | 2019-02-19 18:34:01 |
| so-20181231_lab.xml | 3330421 | 2019-02-19 18:34:01 |
| so-20181231_pre.xml | 2746778 | 2019-02-19 18:34:01 |
| so10-k12312018.htm | 18438361 | 2019-02-19 18:34:01 |
| x31a1-q42018.htm | 13163 | 2019-02-19 18:34:01 |
| x31a2-q42018.htm | 13183 | 2019-02-19 18:34:01 |
| x31b1-q42018.htm | 13345 | 2019-02-19 18:34:01 |
| x31b2-q42018.htm | 13479 | 2019-02-19 18:34:01 |
| x31c1-q42018.htm | 13286 | 2019-02-19 18:34:01 |
| x31c2-q42018.htm | 13152 | 2019-02-19 18:34:01 |
| x31d1-q42018.htm | 13661 | 2019-02-19 18:34:01 |
| x31d2-q42018.htm | 13691 | 2019-02-19 18:34:01 |
| x31e1-q42018.htm | 13292 | 2019-02-19 18:34:01 |
| x31e2-q42018.htm | 13560 | 2019-02-19 18:34:01 |
| x31f1-q42018.htm | 13464 | 2019-02-19 18:34:01 |
| x31f2-q42018.htm | 13287 | 2019-02-19 18:34:01 |
| x32a-q42018.htm | 10320 | 2019-02-19 18:34:01 |
| x32b-q42018.htm | 10315 | 2019-02-19 18:34:01 |
| x32c-q42018.htm | 9939 | 2019-02-19 18:34:01 |
| x32d-q42018.htm | 9587 | 2019-02-19 18:34:01 |
| x32e-q42018.htm | 9569 | 2019-02-19 18:34:01 |
| x32f-q42018.htm | 10250 | 2019-02-19 18:34:01 |