Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-048264-index-headers.html | 2013-02-11 14:24:58 | |
| 0001193125-13-048264-index.html | 2013-02-11 14:24:58 | |
| 0001193125-13-048264.txt | 2013-02-11 14:24:58 | |
 0001193125-13-048264-xbrl.zip | 15623 | 2013-02-11 14:24:58 |
| ck0001097519-20130130.xml | 4978 | 2013-02-11 14:24:58 |
| ck0001097519-20130130.xsd | 3311 | 2013-02-11 14:24:58 |
| ck0001097519-20130130_def.xml | 4742 | 2013-02-11 14:24:58 |
| ck0001097519-20130130_lab.xml | 148754 | 2013-02-11 14:24:58 |
| ck0001097519-20130130_pre.xml | 29901 | 2013-02-11 14:24:58 |
| d481027d497.htm | 667 | 2013-02-11 14:24:58 |
| FilingSummary.xml | 2373 | 2013-02-11 14:24:58 |
| Financial_Report.xls | 12231 | 2013-02-11 14:24:58 |
| R1.htm | 8101 | 2013-02-11 14:24:58 |
| R2.htm | 8101 | 2013-02-11 14:24:58 |
| R3.htm | 33155 | 2013-02-11 14:24:58 |
| report.css | 2720 | 2013-02-11 14:24:58 |
| Show.js | 6423 | 2013-02-11 14:24:58 |