Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000225648-20-000152-index-headers.html | 2020-07-30 18:45:08 | |
| 0000225648-20-000152-index.html | 2020-07-30 18:45:08 | |
| 0000225648-20-000152.txt | 2020-07-30 18:45:08 | |
 0000225648-20-000152-xbrl.zip | 52517 | 2020-07-30 18:45:08 |
| cva-20200730.xsd | 4725 | 2020-07-30 18:45:08 |
| cva-20200730_cal.xml | 655 | 2020-07-30 18:45:08 |
| cva-20200730_def.xml | 1505 | 2020-07-30 18:45:08 |
| cva-20200730_lab.xml | 23369 | 2020-07-30 18:45:08 |
| cva-20200730_pre.xml | 12139 | 2020-07-30 18:45:08 |
 cvalogo2a15.jpg | 233487 | 2020-07-30 18:45:08 |
| exhibit991q220.htm | 748677 | 2020-07-30 18:45:08 |
| exhibit992q220.htm | 46469 | 2020-07-30 18:45:08 |
 exhibit992q220001.jpg | 239334 | 2020-07-30 18:45:08 |
 exhibit992q220002.jpg | 393558 | 2020-07-30 18:45:08 |
 exhibit992q220003.jpg | 155597 | 2020-07-30 18:45:08 |
 exhibit992q220004.jpg | 133275 | 2020-07-30 18:45:08 |
 exhibit992q220005.jpg | 73397 | 2020-07-30 18:45:08 |
 exhibit992q220006.jpg | 80160 | 2020-07-30 18:45:08 |
 exhibit992q220007.jpg | 71422 | 2020-07-30 18:45:08 |
 exhibit992q220008.jpg | 113434 | 2020-07-30 18:45:08 |
 exhibit992q220009.jpg | 148722 | 2020-07-30 18:45:08 |
 exhibit992q220010.jpg | 38012 | 2020-07-30 18:45:08 |
 exhibit992q220011.jpg | 154813 | 2020-07-30 18:45:08 |
 exhibit992q220012.jpg | 163399 | 2020-07-30 18:45:08 |
 exhibit992q220013.jpg | 158196 | 2020-07-30 18:45:08 |
 exhibit992q220014.jpg | 158209 | 2020-07-30 18:45:08 |
 exhibit992q220015.jpg | 173887 | 2020-07-30 18:45:08 |
 exhibit992q220016.jpg | 145770 | 2020-07-30 18:45:08 |
 exhibit992q220017.jpg | 150827 | 2020-07-30 18:45:08 |
 exhibit992q220018.jpg | 224892 | 2020-07-30 18:45:08 |
| FilingSummary.xml | 1800 | 2020-07-30 18:45:08 |
| Financial_Report.xlsx | 5341 | 2020-07-30 18:45:08 |
| form8-kq220earnings.htm | 57858 | 2020-07-30 18:45:08 |
| form8-kq220earnings_htm.xml | 3734 | 2020-07-30 18:45:08 |
| MetaLinks.json | 16874 | 2020-07-30 18:45:08 |
| R1.htm | 33838 | 2020-07-30 18:45:08 |
| report.css | 2767 | 2020-07-30 18:45:08 |
| Show.js | 1085 | 2020-07-30 18:45:08 |