Parent Directory| Name | Size | Last Modified |
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| 0001193125-22-116452-index.html | 2022-04-25 09:01:59 | |
| 0001193125-22-116452.txt | 2022-04-25 09:01:59 | |
 0001193125-22-116452-xbrl.zip | 11126 | 2022-04-25 09:01:59 |
| chng-20220422.xsd | 3929 | 2022-04-25 09:01:59 |
| chng-20220422_def.xml | 13708 | 2022-04-25 09:01:59 |
| chng-20220422_lab.xml | 22631 | 2022-04-25 09:01:59 |
| chng-20220422_pre.xml | 14670 | 2022-04-25 09:01:59 |
| d574197d8k.htm | 26572 | 2022-04-25 09:01:59 |
| d574197d8k_htm.xml | 5237 | 2022-04-25 09:01:59 |
| FilingSummary.xml | 1740 | 2022-04-25 09:01:59 |
| Financial_Report.xlsx | 5812 | 2022-04-25 09:01:59 |
| MetaLinks.json | 22180 | 2022-04-25 09:01:59 |
| R1.htm | 44240 | 2022-04-25 09:01:59 |
| report.css | 2767 | 2022-04-25 09:01:59 |
| Show.js | 1084 | 2022-04-25 09:01:59 |