Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-318060-index-headers.html | 2021-11-03 12:55:00 | |
| 0001193125-21-318060-index.html | 2021-11-03 12:55:00 | |
| 0001193125-21-318060.txt | 2021-11-03 12:55:00 | |
 0001193125-21-318060-xbrl.zip | 26322 | 2021-11-03 12:55:00 |
| chng-20211103.xsd | 3970 | 2021-11-03 12:55:00 |
| chng-20211103_def.xml | 13848 | 2021-11-03 12:55:00 |
| chng-20211103_lab.xml | 22770 | 2021-11-03 12:55:00 |
| chng-20211103_pre.xml | 14817 | 2021-11-03 12:55:00 |
| d251758d8k.htm | 28581 | 2021-11-03 12:55:00 |
| d251758d8k_htm.xml | 5243 | 2021-11-03 12:55:00 |
| d251758dex991.htm | 220677 | 2021-11-03 12:55:00 |
| FilingSummary.xml | 1842 | 2021-11-03 12:55:00 |
| Financial_Report.xlsx | 5814 | 2021-11-03 12:55:00 |
| MetaLinks.json | 22627 | 2021-11-03 12:55:00 |
| R1.htm | 44124 | 2021-11-03 12:55:00 |
| report.css | 2767 | 2021-11-03 12:55:00 |
| Show.js | 1085 | 2021-11-03 12:55:00 |