Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773141-21-000013-index-headers.html | 2021-01-07 13:06:06 | |
| 0000773141-21-000013-index.html | 2021-01-07 13:06:06 | |
| 0000773141-21-000013.txt | 2021-01-07 13:06:06 | |
 0000773141-21-000013-xbrl.zip | 50911 | 2021-01-07 13:06:06 |
| FilingSummary.xml | 1834 | 2021-01-07 13:06:06 |
| Financial_Report.xlsx | 5610 | 2021-01-07 13:06:06 |
| mdc-20210106.htm | 44971 | 2021-01-07 13:06:06 |
| mdc-20210106.xsd | 3060 | 2021-01-07 13:06:06 |
| mdc-20210106_cal.xml | 723 | 2021-01-07 13:06:06 |
| mdc-20210106_def.xml | 16220 | 2021-01-07 13:06:06 |
| mdc-20210106_htm.xml | 13911 | 2021-01-07 13:06:06 |
| mdc-20210106_lab.xml | 31578 | 2021-01-07 13:06:06 |
| mdc-20210106_pre.xml | 16914 | 2021-01-07 13:06:06 |
| mdcunderwritingagreement-e.htm | 233654 | 2021-01-07 13:06:06 |
| MetaLinks.json | 21811 | 2021-01-07 13:06:06 |
| offeringpressrelease.htm | 7780 | 2021-01-07 13:06:06 |
| R1.htm | 45797 | 2021-01-07 13:06:06 |
| report.css | 2767 | 2021-01-07 13:06:06 |
| Show.js | 1085 | 2021-01-07 13:06:06 |