Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773141-24-000016-index-headers.html | 2024-04-08 14:09:17 | |
| 0000773141-24-000016-index.html | 2024-04-08 14:09:17 | |
| 0000773141-24-000016.txt | 2024-04-08 14:09:17 | |
 0000773141-24-000016-xbrl.zip | 198791 | 2024-04-08 14:09:17 |
| FilingSummary.xml | 2498 | 2024-04-08 14:09:17 |
| Financial_Report.xlsx | 13124 | 2024-04-08 14:09:17 |
| mdc-20231231.htm | 1012801 | 2024-04-08 14:09:17 |
| mdc-20231231.xsd | 5500 | 2024-04-08 14:09:17 |
| mdc-20231231xex313.htm | 3644 | 2024-04-08 14:09:17 |
| mdc-20231231xex314.htm | 3657 | 2024-04-08 14:09:17 |
| mdc-20231231_def.xml | 27558 | 2024-04-08 14:09:17 |
 mdc-20231231_g1.jpg | 32059 | 2024-04-08 14:09:17 |
 mdc-20231231_g2.jpg | 37295 | 2024-04-08 14:09:17 |
 mdc-20231231_g3.jpg | 35976 | 2024-04-08 14:09:17 |
 mdc-20231231_g4.jpg | 34672 | 2024-04-08 14:09:17 |
| mdc-20231231_htm.xml | 109067 | 2024-04-08 14:09:17 |
| mdc-20231231_lab.xml | 132080 | 2024-04-08 14:09:17 |
| mdc-20231231_pre.xml | 71758 | 2024-04-08 14:09:17 |
| MetaLinks.json | 136486 | 2024-04-08 14:09:17 |
| R1.htm | 71198 | 2024-04-08 14:09:17 |
| R2.htm | 158136 | 2024-04-08 14:09:17 |
| report.css | 2767 | 2024-04-08 14:09:17 |
| Show.js | 1085 | 2024-04-08 14:09:17 |