Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-006364-index-headers.html | 2020-01-13 16:51:20 | |
| 0001193125-20-006364-index.html | 2020-01-13 16:51:20 | |
| 0001193125-20-006364.txt | 2020-01-13 16:51:20 | |
 0001193125-20-006364-xbrl.zip | 199437 | 2020-01-13 16:51:20 |
| cot-20200113.xsd | 3017 | 2020-01-13 16:51:20 |
| cot-20200113_lab.xml | 18083 | 2020-01-13 16:51:20 |
| cot-20200113_pre.xml | 11350 | 2020-01-13 16:51:20 |
| d869747d8k.htm | 63121 | 2020-01-13 16:51:20 |
| d869747d8k_htm.xml | 3339 | 2020-01-13 16:51:20 |
| d869747dex101.htm | 71801 | 2020-01-13 16:51:20 |
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| d869747dex103.htm | 160751 | 2020-01-13 16:51:20 |
| d869747dex21.htm | 763926 | 2020-01-13 16:51:20 |
| FilingSummary.xml | 1825 | 2020-01-13 16:51:20 |
| Financial_Report.xlsx | 5813 | 2020-01-13 16:51:20 |
| MetaLinks.json | 18574 | 2020-01-13 16:51:20 |
| R1.htm | 40128 | 2020-01-13 16:51:20 |
| report.css | 2767 | 2020-01-13 16:51:20 |
| Show.js | 1085 | 2020-01-13 16:51:20 |