Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-046706-index-headers.html | 2022-02-18 17:00:18 | |
| 0001193125-22-046706-index.html | 2022-02-18 17:00:18 | |
| 0001193125-22-046706.txt | 2022-02-18 17:00:18 | |
 0001193125-22-046706-xbrl.zip | 10377 | 2022-02-18 17:00:18 |
| chng-20220217.xsd | 3941 | 2022-02-18 17:00:18 |
| chng-20220217_def.xml | 13716 | 2022-02-18 17:00:18 |
| chng-20220217_lab.xml | 22631 | 2022-02-18 17:00:18 |
| chng-20220217_pre.xml | 14678 | 2022-02-18 17:00:18 |
| d315856d8k.htm | 24373 | 2022-02-18 17:00:18 |
| d315856d8k_htm.xml | 5237 | 2022-02-18 17:00:18 |
| FilingSummary.xml | 1747 | 2022-02-18 17:00:18 |
| Financial_Report.xlsx | 5812 | 2022-02-18 17:00:18 |
| MetaLinks.json | 22283 | 2022-02-18 17:00:18 |
| R1.htm | 44086 | 2022-02-18 17:00:18 |
| report.css | 2767 | 2022-02-18 17:00:18 |
| Show.js | 1084 | 2022-02-18 17:00:18 |