Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-062028-index-headers.html | 2020-03-05 06:01:57 | |
| 0001193125-20-062028-index.html | 2020-03-05 06:01:57 | |
| 0001193125-20-062028.txt | 2020-03-05 06:01:57 | |
 0001193125-20-062028-xbrl.zip | 74076 | 2020-03-05 06:01:57 |
| cot-20200302.xsd | 2698 | 2020-03-05 06:01:57 |
| cot-20200302_lab.xml | 20367 | 2020-03-05 06:01:57 |
| cot-20200302_pre.xml | 12711 | 2020-03-05 06:01:57 |
| d873820d8k.htm | 45583 | 2020-03-05 06:01:57 |
| d873820d8k_htm.xml | 3844 | 2020-03-05 06:01:57 |
| d873820dex231.htm | 1830 | 2020-03-05 06:01:57 |
| d873820dex31.htm | 376103 | 2020-03-05 06:01:57 |
| d873820dex991.htm | 19095 | 2020-03-05 06:01:57 |
| FilingSummary.xml | 1790 | 2020-03-05 06:01:57 |
| Financial_Report.xlsx | 5901 | 2020-03-05 06:01:57 |
 g873820dsp074.jpg | 48386 | 2020-03-05 06:01:57 |
 g873820dsp075.jpg | 98398 | 2020-03-05 06:01:57 |
 g873820page20.jpg | 2254 | 2020-03-05 06:01:57 |
 g873820page21.jpg | 3016 | 2020-03-05 06:01:57 |
 g873820page23.jpg | 3804 | 2020-03-05 06:01:57 |
 g873820page24.jpg | 2639 | 2020-03-05 06:01:57 |
 g873820page26.jpg | 3122 | 2020-03-05 06:01:57 |
| MetaLinks.json | 20195 | 2020-03-05 06:01:57 |
| R1.htm | 44753 | 2020-03-05 06:01:57 |
| report.css | 2767 | 2020-03-05 06:01:57 |
| Show.js | 1085 | 2020-03-05 06:01:57 |