Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773141-21-000117-index-headers.html | 2021-12-21 14:47:17 | |
| 0000773141-21-000117-index.html | 2021-12-21 14:47:17 | |
| 0000773141-21-000117.txt | 2021-12-21 14:47:17 | |
 0000773141-21-000117-xbrl.zip | 22030 | 2021-12-21 14:47:17 |
| eighthamendmenttomasterrep.htm | 47785 | 2021-12-21 14:47:17 |
| FilingSummary.xml | 1750 | 2021-12-21 14:47:17 |
| Financial_Report.xlsx | 5803 | 2021-12-21 14:47:17 |
| mdc-20211221.htm | 41351 | 2021-12-21 14:47:17 |
| mdc-20211221.xsd | 2795 | 2021-12-21 14:47:17 |
| mdc-20211221_def.xml | 16564 | 2021-12-21 14:47:17 |
| mdc-20211221_htm.xml | 13635 | 2021-12-21 14:47:17 |
| mdc-20211221_lab.xml | 32426 | 2021-12-21 14:47:17 |
| mdc-20211221_pre.xml | 17311 | 2021-12-21 14:47:17 |
| MetaLinks.json | 21616 | 2021-12-21 14:47:17 |
| R1.htm | 44380 | 2021-12-21 14:47:17 |
| report.css | 2767 | 2021-12-21 14:47:17 |
| Show.js | 1085 | 2021-12-21 14:47:17 |