Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-139617-index-headers.html | 2022-05-04 09:01:00 | |
| 0001193125-22-139617-index.html | 2022-05-04 09:01:00 | |
| 0001193125-22-139617.txt | 2022-05-04 09:01:00 | |
 0001193125-22-139617-xbrl.zip | 10234 | 2022-05-04 09:01:00 |
| chng-20220504.xsd | 3928 | 2022-05-04 09:01:00 |
| chng-20220504_def.xml | 13707 | 2022-05-04 09:01:00 |
| chng-20220504_lab.xml | 22630 | 2022-05-04 09:01:00 |
| chng-20220504_pre.xml | 14669 | 2022-05-04 09:01:00 |
| d257197d8k.htm | 24037 | 2022-05-04 09:01:00 |
| d257197d8k_htm.xml | 5237 | 2022-05-04 09:01:00 |
| FilingSummary.xml | 1740 | 2022-05-04 09:01:00 |
| Financial_Report.xlsx | 5814 | 2022-05-04 09:01:00 |
| MetaLinks.json | 22180 | 2022-05-04 09:01:00 |
| R1.htm | 44239 | 2022-05-04 09:01:00 |
| report.css | 2767 | 2022-05-04 09:01:00 |
| Show.js | 1084 | 2022-05-04 09:01:00 |