Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-300209-index-headers.html | 2021-10-15 18:10:06 | |
| 0001193125-21-300209-index.html | 2021-10-15 18:10:06 | |
| 0001193125-21-300209.txt | 2021-10-15 18:10:06 | |
 0001193125-21-300209-xbrl.zip | 13522 | 2021-10-15 18:10:06 |
| cva-20211015.xsd | 2925 | 2021-10-15 18:10:06 |
| cva-20211015_lab.xml | 17374 | 2021-10-15 18:10:06 |
| cva-20211015_pre.xml | 10976 | 2021-10-15 18:10:06 |
| d216600d8k.htm | 25670 | 2021-10-15 18:10:06 |
| d216600d8k_htm.xml | 3336 | 2021-10-15 18:10:06 |
| d216600dex991.htm | 17950 | 2021-10-15 18:10:06 |
| FilingSummary.xml | 1736 | 2021-10-15 18:10:06 |
| Financial_Report.xlsx | 5673 | 2021-10-15 18:10:06 |
| MetaLinks.json | 18245 | 2021-10-15 18:10:06 |
| R1.htm | 38616 | 2021-10-15 18:10:06 |
| report.css | 2767 | 2021-10-15 18:10:06 |
| Show.js | 1084 | 2021-10-15 18:10:06 |