Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-12-057635-index-headers.html | 2012-08-14 10:39:43 | |
| 0001104659-12-057635-index.html | 2012-08-14 10:39:43 | |
| 0001104659-12-057635.txt | 2012-08-14 10:39:43 | |
 0001104659-12-057635-xbrl.zip | 346627 | 2012-08-14 10:39:43 |
| a12-13777_110q.htm | 3386644 | 2012-08-14 10:39:43 |
| a12-13777_1ex31d1.htm | 13429 | 2012-08-14 10:39:43 |
| a12-13777_1ex31d2.htm | 13611 | 2012-08-14 10:39:43 |
| a12-13777_1ex32d1.htm | 6926 | 2012-08-14 10:39:43 |
| a12-13777_1ex32d2.htm | 7494 | 2012-08-14 10:39:43 |
| FilingSummary.xml | 29412 | 2012-08-14 10:39:43 |
| Financial_Report.xls | 4953059 | 2012-08-14 10:39:43 |
| osbc-20120630.xml | 5676855 | 2012-08-14 10:39:43 |
| osbc-20120630.xsd | 83891 | 2012-08-14 10:39:43 |
| osbc-20120630_cal.xml | 123914 | 2012-08-14 10:39:43 |
| osbc-20120630_def.xml | 594630 | 2012-08-14 10:39:43 |
| osbc-20120630_lab.xml | 1507036 | 2012-08-14 10:39:43 |
| osbc-20120630_pre.xml | 746407 | 2012-08-14 10:39:43 |
| R1.htm | 29294 | 2012-08-14 10:39:43 |
| R10.htm | 327916 | 2012-08-14 10:39:43 |
| R11.htm | 929667 | 2012-08-14 10:39:43 |
| R12.htm | 196254 | 2012-08-14 10:39:43 |
| R13.htm | 88030 | 2012-08-14 10:39:43 |
| R14.htm | 21616 | 2012-08-14 10:39:43 |
| R15.htm | 24476 | 2012-08-14 10:39:43 |
| R16.htm | 10879 | 2012-08-14 10:39:43 |
| R17.htm | 71922 | 2012-08-14 10:39:43 |
| R18.htm | 60602 | 2012-08-14 10:39:43 |
| R19.htm | 106040 | 2012-08-14 10:39:43 |
| R2.htm | 146194 | 2012-08-14 10:39:43 |
| R20.htm | 287287 | 2012-08-14 10:39:43 |
| R21.htm | 87981 | 2012-08-14 10:39:43 |
| R22.htm | 127177 | 2012-08-14 10:39:43 |
| R23.htm | 11131 | 2012-08-14 10:39:43 |
| R24.htm | 300116 | 2012-08-14 10:39:43 |
| R25.htm | 875730 | 2012-08-14 10:39:43 |
| R26.htm | 196482 | 2012-08-14 10:39:43 |
| R27.htm | 85721 | 2012-08-14 10:39:43 |
| R28.htm | 19291 | 2012-08-14 10:39:43 |
| R29.htm | 20103 | 2012-08-14 10:39:43 |
| R3.htm | 36879 | 2012-08-14 10:39:43 |
| R30.htm | 67076 | 2012-08-14 10:39:43 |
| R31.htm | 58184 | 2012-08-14 10:39:43 |
| R32.htm | 89139 | 2012-08-14 10:39:43 |
| R33.htm | 272659 | 2012-08-14 10:39:43 |
| R34.htm | 76627 | 2012-08-14 10:39:43 |
| R35.htm | 130135 | 2012-08-14 10:39:43 |
| R36.htm | 122083 | 2012-08-14 10:39:43 |
| R37.htm | 65353 | 2012-08-14 10:39:43 |
| R38.htm | 31601 | 2012-08-14 10:39:43 |
| R39.htm | 29240 | 2012-08-14 10:39:43 |
| R4.htm | 188685 | 2012-08-14 10:39:43 |
| R40.htm | 75601 | 2012-08-14 10:39:43 |
| R41.htm | 61263 | 2012-08-14 10:39:43 |
| R42.htm | 130327 | 2012-08-14 10:39:43 |
| R43.htm | 60289 | 2012-08-14 10:39:43 |
| R44.htm | 74677 | 2012-08-14 10:39:43 |
| R45.htm | 49573 | 2012-08-14 10:39:43 |
| R46.htm | 24969 | 2012-08-14 10:39:43 |
| R47.htm | 71174 | 2012-08-14 10:39:43 |
| R48.htm | 22975 | 2012-08-14 10:39:43 |
| R49.htm | 15389 | 2012-08-14 10:39:43 |
| R5.htm | 37721 | 2012-08-14 10:39:43 |
| R50.htm | 107130 | 2012-08-14 10:39:43 |
| R51.htm | 67894 | 2012-08-14 10:39:43 |
| R52.htm | 140720 | 2012-08-14 10:39:43 |
| R53.htm | 72711 | 2012-08-14 10:39:43 |
| R54.htm | 43890 | 2012-08-14 10:39:43 |
| R55.htm | 36093 | 2012-08-14 10:39:43 |
| R56.htm | 28822 | 2012-08-14 10:39:43 |
| R57.htm | 15687 | 2012-08-14 10:39:43 |
| R58.htm | 87327 | 2012-08-14 10:39:43 |
| R59.htm | 33173 | 2012-08-14 10:39:43 |
| R6.htm | 155599 | 2012-08-14 10:39:43 |
| R7.htm | 43097 | 2012-08-14 10:39:43 |
| R8.htm | 8302 | 2012-08-14 10:39:43 |
| R9.htm | 13285 | 2012-08-14 10:39:43 |
| report.css | 2721 | 2012-08-14 10:39:43 |
| Show.js | 6423 | 2012-08-14 10:39:43 |