Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-206683-index-headers.html | 2022-07-29 16:31:10 | |
| 0001193125-22-206683-index.html | 2022-07-29 16:31:10 | |
| 0001193125-22-206683.txt | 2022-07-29 16:31:10 | |
 0001193125-22-206683-xbrl.zip | 181332 | 2022-07-29 16:31:10 |
| chng-20220331.xsd | 4622 | 2022-07-29 16:31:10 |
| chng-20220331_cal.xml | 688 | 2022-07-29 16:31:10 |
| chng-20220331_def.xml | 18560 | 2022-07-29 16:31:10 |
| chng-20220331_lab.xml | 24984 | 2022-07-29 16:31:10 |
| chng-20220331_pre.xml | 19789 | 2022-07-29 16:31:10 |
| d324053d10ka.htm | 1071203 | 2022-07-29 16:31:10 |
| d324053d10ka_htm.xml | 7218 | 2022-07-29 16:31:10 |
| d324053dex313.htm | 3579 | 2022-07-29 16:31:10 |
| d324053dex314.htm | 3582 | 2022-07-29 16:31:10 |
| FilingSummary.xml | 2458 | 2022-07-29 16:31:10 |
| Financial_Report.xlsx | 7351 | 2022-07-29 16:31:10 |
 g324053dsp0016.jpg | 7999 | 2022-07-29 16:31:10 |
 g324053dsp016.jpg | 7710 | 2022-07-29 16:31:10 |
 g324053dsp024.jpg | 37674 | 2022-07-29 16:31:10 |
 g324053g0727205233809.jpg | 4079 | 2022-07-29 16:31:10 |
 g324053g0727205234106.jpg | 4117 | 2022-07-29 16:31:10 |
 g324053g0727205234246.jpg | 4182 | 2022-07-29 16:31:10 |
 g324053g0727205234371.jpg | 4603 | 2022-07-29 16:31:10 |
 g324053g0727205234512.jpg | 4221 | 2022-07-29 16:31:10 |
 g324053g0727205234746.jpg | 4551 | 2022-07-29 16:31:10 |
 g324053g0727205234981.jpg | 4056 | 2022-07-29 16:31:10 |
 g324053g0727205235106.jpg | 4519 | 2022-07-29 16:31:10 |
 g324053g0727205235246.jpg | 4291 | 2022-07-29 16:31:10 |
 g324053g0727205235403.jpg | 4399 | 2022-07-29 16:31:10 |
 g324053g0727205235575.jpg | 4295 | 2022-07-29 16:31:10 |
 g324053g0727205235762.jpg | 878 | 2022-07-29 16:31:10 |
 g324053g0727205235903.jpg | 919 | 2022-07-29 16:31:10 |
| MetaLinks.json | 28623 | 2022-07-29 16:31:10 |
| R1.htm | 71999 | 2022-07-29 16:31:10 |
| report.css | 2767 | 2022-07-29 16:31:10 |
| Show.js | 1085 | 2022-07-29 16:31:10 |