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| 0001075415-22-000031-index.html | 2022-11-02 16:28:30 | |
| 0001075415-22-000031.txt | 2022-11-02 16:28:30 | |
 0001075415-22-000031-xbrl.zip | 331251 | 2022-11-02 16:28:30 |
| dhc-20220930.htm | 2459922 | 2022-11-02 16:28:30 |
| dhc-20220930.xsd | 46153 | 2022-11-02 16:28:30 |
| dhc-20220930_cal.xml | 49666 | 2022-11-02 16:28:30 |
| dhc-20220930_def.xml | 315542 | 2022-11-02 16:28:30 |
| dhc-20220930_htm.xml | 1499021 | 2022-11-02 16:28:30 |
| dhc-20220930_lab.xml | 523484 | 2022-11-02 16:28:30 |
| dhc-20220930_pre.xml | 404396 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx101.htm | 21792 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx221.htm | 93451 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx311.htm | 11267 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx312.htm | 11510 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx321.htm | 9610 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx410.htm | 17047 | 2022-11-02 16:28:30 |
| dhc_093022xexhibitx413.htm | 17095 | 2022-11-02 16:28:30 |
| FilingSummary.xml | 29203 | 2022-11-02 16:28:30 |
| Financial_Report.xlsx | 96979 | 2022-11-02 16:28:30 |
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| R27.htm | 18115 | 2022-11-02 16:28:30 |
| R28.htm | 64496 | 2022-11-02 16:28:30 |
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| R30.htm | 38456 | 2022-11-02 16:28:30 |
| R31.htm | 20335 | 2022-11-02 16:28:30 |
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| R9.htm | 13308 | 2022-11-02 16:28:30 |
| report.css | 2767 | 2022-11-02 16:28:30 |
| Show.js | 1085 | 2022-11-02 16:28:30 |