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|---|---|---|
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| 0000773141-22-000012.txt | 2022-02-01 14:19:01 | |
 0000773141-22-000012-xbrl.zip | 517241 | 2022-02-01 14:19:01 |
| FilingSummary.xml | 61191 | 2022-02-01 14:19:01 |
| Financial_Report.xlsx | 153158 | 2022-02-01 14:19:01 |
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| mdc-20211231.htm | 2997810 | 2022-02-01 14:19:01 |
| mdc-20211231.xsd | 82329 | 2022-02-01 14:19:01 |
| mdc-20211231xex21.htm | 25640 | 2022-02-01 14:19:01 |
| mdc-20211231xex23.htm | 4344 | 2022-02-01 14:19:01 |
| mdc-20211231xex311.htm | 9607 | 2022-02-01 14:19:01 |
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| mdc-20211231xex321.htm | 3507 | 2022-02-01 14:19:01 |
| mdc-20211231xex322.htm | 3358 | 2022-02-01 14:19:01 |
| mdc-20211231xex33.htm | 91449 | 2022-02-01 14:19:01 |
| mdc-20211231xex410.htm | 132438 | 2022-02-01 14:19:01 |
| mdc-20211231xex43.htm | 27133 | 2022-02-01 14:19:01 |
| mdc-20211231xex46.htm | 27346 | 2022-02-01 14:19:01 |
| mdc-20211231xex48.htm | 30068 | 2022-02-01 14:19:01 |
| mdc-20211231_cal.xml | 96107 | 2022-02-01 14:19:01 |
| mdc-20211231_def.xml | 453106 | 2022-02-01 14:19:01 |
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| mdc-20211231_htm.xml | 2426880 | 2022-02-01 14:19:01 |
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| report.css | 2768 | 2022-02-01 14:19:01 |
| Show.js | 1086 | 2022-02-01 14:19:01 |