Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773141-20-000005-index-headers.html | 2020-05-22 13:03:31 | |
| 0000773141-20-000005-index.html | 2020-05-22 13:03:31 | |
| 0000773141-20-000005.txt | 2020-05-22 13:03:31 | |
 0000773141-20-000005-xbrl.zip | 27082 | 2020-05-22 13:03:31 |
| FilingSummary.xml | 1788 | 2020-05-22 13:03:31 |
| Financial_Report.xlsx | 5922 | 2020-05-22 13:03:31 |
| fourthamendmenttomaste.htm | 91436 | 2020-05-22 13:03:31 |
| mdc-20200521.htm | 53276 | 2020-05-22 13:03:31 |
| mdc-20200521.xsd | 3060 | 2020-05-22 13:03:31 |
| mdc-20200521_cal.xml | 723 | 2020-05-22 13:03:31 |
| mdc-20200521_def.xml | 16220 | 2020-05-22 13:03:31 |
| mdc-20200521_htm.xml | 13892 | 2020-05-22 13:03:31 |
| mdc-20200521_lab.xml | 31578 | 2020-05-22 13:03:31 |
| mdc-20200521_pre.xml | 16914 | 2020-05-22 13:03:31 |
| MetaLinks.json | 21811 | 2020-05-22 13:03:31 |
| R1.htm | 45771 | 2020-05-22 13:03:31 |
| report.css | 2767 | 2020-05-22 13:03:31 |
| Show.js | 1084 | 2020-05-22 13:03:31 |