Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-132541-index-headers.html | 2013-03-28 16:56:31 | |
| 0001193125-13-132541-index.html | 2013-03-28 16:56:31 | |
| 0001193125-13-132541.txt | 2013-03-28 16:56:31 | |
 0001193125-13-132541-xbrl.zip | 24137 | 2013-03-28 16:56:31 |
| ck0001097519-20130315.xml | 44156 | 2013-03-28 16:56:31 |
| ck0001097519-20130315.xsd | 11136 | 2013-03-28 16:56:31 |
| ck0001097519-20130315_cal.xml | 14256 | 2013-03-28 16:56:31 |
| ck0001097519-20130315_def.xml | 12352 | 2013-03-28 16:56:31 |
| ck0001097519-20130315_lab.xml | 157667 | 2013-03-28 16:56:31 |
| ck0001097519-20130315_pre.xml | 146463 | 2013-03-28 16:56:31 |
| d513073d497.htm | 668 | 2013-03-28 16:56:31 |
| FilingSummary.xml | 3623 | 2013-03-28 16:56:31 |
| Financial_Report.xls | 121415 | 2013-03-28 16:56:31 |
| R1.htm | 66008 | 2013-03-28 16:56:31 |
| R14.htm | 141662 | 2013-03-28 16:56:31 |
| R2.htm | 46601 | 2013-03-28 16:56:31 |
| R3.htm | 41446 | 2013-03-28 16:56:31 |
| R4.htm | 37977 | 2013-03-28 16:56:31 |
| R5.htm | 44356 | 2013-03-28 16:56:31 |
| report.css | 2720 | 2013-03-28 16:56:31 |
| Show.js | 6423 | 2013-03-28 16:56:31 |