Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-022944-index-headers.html | 2020-02-03 16:16:11 | |
| 0001193125-20-022944-index.html | 2020-02-03 16:16:11 | |
| 0001193125-20-022944.txt | 2020-02-03 16:16:11 | |
 0001193125-20-022944-xbrl.zip | 95510 | 2020-02-03 16:16:11 |
| cot-20200130.xsd | 3016 | 2020-02-03 16:16:11 |
| cot-20200130_lab.xml | 19616 | 2020-02-03 16:16:11 |
| cot-20200130_pre.xml | 12259 | 2020-02-03 16:16:11 |
| d881840d8k.htm | 45962 | 2020-02-03 16:16:11 |
| d881840d8k_htm.xml | 3445 | 2020-02-03 16:16:11 |
| d881840dex21.htm | 498462 | 2020-02-03 16:16:11 |
| d881840dex991.htm | 9941 | 2020-02-03 16:16:11 |
| FilingSummary.xml | 1755 | 2020-02-03 16:16:11 |
| Financial_Report.xlsx | 5814 | 2020-02-03 16:16:11 |
 g881840g10i04.jpg | 12501 | 2020-02-03 16:16:11 |
| MetaLinks.json | 19738 | 2020-02-03 16:16:11 |
| R1.htm | 40129 | 2020-02-03 16:16:11 |
| report.css | 2767 | 2020-02-03 16:16:11 |
| Show.js | 1085 | 2020-02-03 16:16:11 |