Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773141-21-000073-index-headers.html | 2021-06-30 16:35:22 | |
| 0000773141-21-000073-index.html | 2021-06-30 16:35:22 | |
| 0000773141-21-000073.txt | 2021-06-30 16:35:22 | |
 0000773141-21-000073-xbrl.zip | 27099 | 2021-06-30 16:35:22 |
| FilingSummary.xml | 1820 | 2021-06-30 16:35:22 |
| Financial_Report.xlsx | 5833 | 2021-06-30 16:35:22 |
| mdc-20210628.htm | 51471 | 2021-06-30 16:35:22 |
| mdc-20210628.xsd | 2795 | 2021-06-30 16:35:22 |
| mdc-20210628xex101.htm | 25614 | 2021-06-30 16:35:22 |
| mdc-20210628xex102.htm | 21576 | 2021-06-30 16:35:22 |
| mdc-20210628xex31.htm | 6204 | 2021-06-30 16:35:22 |
| mdc-20210628_def.xml | 16564 | 2021-06-30 16:35:22 |
| mdc-20210628_htm.xml | 14071 | 2021-06-30 16:35:22 |
| mdc-20210628_lab.xml | 32426 | 2021-06-30 16:35:22 |
| mdc-20210628_pre.xml | 17311 | 2021-06-30 16:35:22 |
| MetaLinks.json | 21727 | 2021-06-30 16:35:22 |
| R1.htm | 45919 | 2021-06-30 16:35:22 |
| report.css | 2767 | 2021-06-30 16:35:22 |
| Show.js | 1085 | 2021-06-30 16:35:22 |