Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000225648-21-000102-index-headers.html | 2021-10-28 16:22:19 | |
| 0000225648-21-000102-index.html | 2021-10-28 16:22:19 | |
| 0000225648-21-000102.txt | 2021-10-28 16:22:19 | |
 0000225648-21-000102-xbrl.zip | 35530 | 2021-10-28 16:22:19 |
| cva-20211028.htm | 44262 | 2021-10-28 16:22:19 |
| cva-20211028.xsd | 2195 | 2021-10-28 16:22:19 |
| cva-20211028_htm.xml | 10994 | 2021-10-28 16:22:19 |
| cva-20211028_lab.xml | 24443 | 2021-10-28 16:22:19 |
| cva-20211028_pre.xml | 12625 | 2021-10-28 16:22:19 |
 cvalogo2a15a.jpg | 233487 | 2021-10-28 16:22:19 |
| exhibit991q321.htm | 461574 | 2021-10-28 16:22:19 |
| FilingSummary.xml | 1662 | 2021-10-28 16:22:19 |
| Financial_Report.xlsx | 5672 | 2021-10-28 16:22:19 |
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| R1.htm | 38602 | 2021-10-28 16:22:19 |
| report.css | 2767 | 2021-10-28 16:22:19 |
| Show.js | 1085 | 2021-10-28 16:22:19 |