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|---|---|---|
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| 0000826675-23-000023-index.html | 2023-02-27 16:15:47 | |
| 0000826675-23-000023.txt | 2023-02-27 16:15:47 | |
 0000826675-23-000023-xbrl.zip | 580160 | 2023-02-27 16:15:47 |
| dx-20221231.htm | 2475243 | 2023-02-27 16:15:47 |
| dx-20221231.xsd | 29840 | 2023-02-27 16:15:47 |
| dx-20221231_cal.xml | 51320 | 2023-02-27 16:15:47 |
| dx-20221231_def.xml | 326635 | 2023-02-27 16:15:47 |
 dx-20221231_g1.jpg | 135230 | 2023-02-27 16:15:47 |
 dx-20221231_g2.jpg | 118100 | 2023-02-27 16:15:47 |
 dx-20221231_g3.jpg | 70764 | 2023-02-27 16:15:47 |
| dx-20221231_htm.xml | 1883628 | 2023-02-27 16:15:47 |
| dx-20221231_lab.xml | 537262 | 2023-02-27 16:15:47 |
| dx-20221231_pre.xml | 399690 | 2023-02-27 16:15:47 |
| exhibit231auditorsconsent2.htm | 2832 | 2023-02-27 16:15:47 |
| exhibit311ceocertification.htm | 10727 | 2023-02-27 16:15:47 |
| exhibit312cfocertification.htm | 10460 | 2023-02-27 16:15:47 |
| exhibit321soxcertification.htm | 8064 | 2023-02-27 16:15:47 |
| FilingSummary.xml | 29757 | 2023-02-27 16:15:47 |
| Financial_Report.xlsx | 93646 | 2023-02-27 16:15:47 |
| MetaLinks.json | 626301 | 2023-02-27 16:15:47 |
| R1.htm | 66928 | 2023-02-27 16:15:47 |
| R10.htm | 124424 | 2023-02-27 16:15:47 |
| R11.htm | 67328 | 2023-02-27 16:15:47 |
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| R21.htm | 121914 | 2023-02-27 16:15:47 |
| R22.htm | 67591 | 2023-02-27 16:15:47 |
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| R26.htm | 56610 | 2023-02-27 16:15:47 |
| R27.htm | 20271 | 2023-02-27 16:15:47 |
| R28.htm | 13032 | 2023-02-27 16:15:47 |
| R29.htm | 23780 | 2023-02-27 16:15:47 |
| R3.htm | 87379 | 2023-02-27 16:15:47 |
| R30.htm | 26921 | 2023-02-27 16:15:47 |
| R31.htm | 21632 | 2023-02-27 16:15:47 |
| R32.htm | 11610 | 2023-02-27 16:15:47 |
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| R4.htm | 24889 | 2023-02-27 16:15:47 |
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| R9.htm | 21798 | 2023-02-27 16:15:47 |
| report.css | 2767 | 2023-02-27 16:15:47 |
| Show.js | 1085 | 2023-02-27 16:15:47 |