Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001109357-21-000028-index-headers.html | 2021-03-31 15:05:51 | |
| 0001109357-21-000028-index.html | 2021-03-31 15:05:51 | |
| 0001109357-21-000028.txt | 2021-03-31 15:05:51 | |
 0001109357-21-000028-xbrl.zip | 140477 | 2021-03-31 15:05:51 |
| exc-20210329.htm | 73596 | 2021-03-31 15:05:51 |
| exc-20210329.xsd | 4715 | 2021-03-31 15:05:51 |
| exc-20210329ex101.htm | 1172676 | 2021-03-31 15:05:51 |
| exc-20210329_cal.xml | 806 | 2021-03-31 15:05:51 |
| exc-20210329_def.xml | 23149 | 2021-03-31 15:05:51 |
| exc-20210329_htm.xml | 26725 | 2021-03-31 15:05:51 |
| exc-20210329_lab.xml | 46019 | 2021-03-31 15:05:51 |
| exc-20210329_pre.xml | 23623 | 2021-03-31 15:05:51 |
| FilingSummary.xml | 1944 | 2021-03-31 15:05:51 |
| Financial_Report.xlsx | 5982 | 2021-03-31 15:05:51 |
| MetaLinks.json | 29544 | 2021-03-31 15:05:51 |
| R1.htm | 45115 | 2021-03-31 15:05:51 |
| report.css | 2767 | 2021-03-31 15:05:51 |
| Show.js | 1085 | 2021-03-31 15:05:51 |