Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773141-20-000021-index-headers.html | 2020-09-14 17:04:35 | |
| 0000773141-20-000021-index.html | 2020-09-14 17:04:35 | |
| 0000773141-20-000021.txt | 2020-09-14 17:04:35 | |
 0000773141-20-000021-xbrl.zip | 20226 | 2020-09-14 17:04:35 |
| august2020pressrelease.htm | 48790 | 2020-09-14 17:04:35 |
| FilingSummary.xml | 1788 | 2020-09-14 17:04:35 |
| Financial_Report.xlsx | 5598 | 2020-09-14 17:04:35 |
| mdc-20200914.htm | 51347 | 2020-09-14 17:04:35 |
| mdc-20200914.xsd | 3060 | 2020-09-14 17:04:35 |
| mdc-20200914_cal.xml | 723 | 2020-09-14 17:04:35 |
| mdc-20200914_def.xml | 16220 | 2020-09-14 17:04:35 |
| mdc-20200914_htm.xml | 13876 | 2020-09-14 17:04:35 |
| mdc-20200914_lab.xml | 31578 | 2020-09-14 17:04:35 |
| mdc-20200914_pre.xml | 16914 | 2020-09-14 17:04:35 |
| MetaLinks.json | 21811 | 2020-09-14 17:04:35 |
| R1.htm | 45779 | 2020-09-14 17:04:35 |
| report.css | 2767 | 2020-09-14 17:04:35 |
| Show.js | 1085 | 2020-09-14 17:04:35 |