Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-357926-index-headers.html | 2021-12-15 16:14:05 | |
| 0001193125-21-357926-index.html | 2021-12-15 16:14:05 | |
| 0001193125-21-357926.txt | 2021-12-15 16:14:05 | |
 0001193125-21-357926-xbrl.zip | 10089 | 2021-12-15 16:14:05 |
| chng-20211209.xsd | 3971 | 2021-12-15 16:14:05 |
| chng-20211209_def.xml | 13849 | 2021-12-15 16:14:05 |
| chng-20211209_lab.xml | 22771 | 2021-12-15 16:14:05 |
| chng-20211209_pre.xml | 14818 | 2021-12-15 16:14:05 |
| d255820d8k.htm | 23448 | 2021-12-15 16:14:05 |
| d255820d8k_htm.xml | 5243 | 2021-12-15 16:14:05 |
| FilingSummary.xml | 1807 | 2021-12-15 16:14:05 |
| Financial_Report.xlsx | 5813 | 2021-12-15 16:14:05 |
| MetaLinks.json | 22597 | 2021-12-15 16:14:05 |
| R1.htm | 44124 | 2021-12-15 16:14:05 |
| report.css | 2767 | 2021-12-15 16:14:05 |
| Show.js | 1084 | 2021-12-15 16:14:05 |