Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000826675-22-000038-index-headers.html | 2022-10-31 16:08:31 | |
| 0000826675-22-000038-index.html | 2022-10-31 16:08:31 | |
| 0000826675-22-000038.txt | 2022-10-31 16:08:31 | |
 0000826675-22-000038-xbrl.zip | 517269 | 2022-10-31 16:08:31 |
| a3q22ex-311ceocertification.htm | 10730 | 2022-10-31 16:08:31 |
| a3q22ex-312cfocertification.htm | 10428 | 2022-10-31 16:08:31 |
| a3q22ex-321soxcertification.htm | 8077 | 2022-10-31 16:08:31 |
| dx-20220930.htm | 2427167 | 2022-10-31 16:08:31 |
| dx-20220930.xsd | 28210 | 2022-10-31 16:08:31 |
| dx-20220930_cal.xml | 44612 | 2022-10-31 16:08:31 |
| dx-20220930_def.xml | 309703 | 2022-10-31 16:08:31 |
 dx-20220930_g1.jpg | 90096 | 2022-10-31 16:08:31 |
 dx-20220930_g2.jpg | 92644 | 2022-10-31 16:08:31 |
 dx-20220930_g3.jpg | 72171 | 2022-10-31 16:08:31 |
| dx-20220930_htm.xml | 1905917 | 2022-10-31 16:08:31 |
| dx-20220930_lab.xml | 500655 | 2022-10-31 16:08:31 |
| dx-20220930_pre.xml | 376798 | 2022-10-31 16:08:31 |
| ex-1045executiveagreementa.htm | 99934 | 2022-10-31 16:08:31 |
| FilingSummary.xml | 27496 | 2022-10-31 16:08:31 |
| Financial_Report.xlsx | 92522 | 2022-10-31 16:08:31 |
| MetaLinks.json | 535390 | 2022-10-31 16:08:31 |
| R1.htm | 57699 | 2022-10-31 16:08:31 |
| R10.htm | 67438 | 2022-10-31 16:08:31 |
| R11.htm | 115019 | 2022-10-31 16:08:31 |
| R12.htm | 77633 | 2022-10-31 16:08:31 |
| R13.htm | 51258 | 2022-10-31 16:08:31 |
| R14.htm | 80299 | 2022-10-31 16:08:31 |
| R15.htm | 23284 | 2022-10-31 16:08:31 |
| R16.htm | 202840 | 2022-10-31 16:08:31 |
| R17.htm | 66600 | 2022-10-31 16:08:31 |
| R18.htm | 121080 | 2022-10-31 16:08:31 |
| R19.htm | 73344 | 2022-10-31 16:08:31 |
| R2.htm | 87382 | 2022-10-31 16:08:31 |
| R20.htm | 47523 | 2022-10-31 16:08:31 |
| R21.htm | 19035 | 2022-10-31 16:08:31 |
| R22.htm | 36952 | 2022-10-31 16:08:31 |
| R23.htm | 57038 | 2022-10-31 16:08:31 |
| R24.htm | 17303 | 2022-10-31 16:08:31 |
| R25.htm | 13364 | 2022-10-31 16:08:31 |
| R26.htm | 27082 | 2022-10-31 16:08:31 |
| R27.htm | 29040 | 2022-10-31 16:08:31 |
| R28.htm | 21641 | 2022-10-31 16:08:31 |
| R29.htm | 11612 | 2022-10-31 16:08:31 |
| R3.htm | 24891 | 2022-10-31 16:08:31 |
| R30.htm | 20169 | 2022-10-31 16:08:31 |
| R31.htm | 22262 | 2022-10-31 16:08:31 |
| R32.htm | 14186 | 2022-10-31 16:08:31 |
| R33.htm | 13114 | 2022-10-31 16:08:31 |
| R34.htm | 12014 | 2022-10-31 16:08:31 |
| R35.htm | 21961 | 2022-10-31 16:08:31 |
| R36.htm | 35864 | 2022-10-31 16:08:31 |
| R37.htm | 27385 | 2022-10-31 16:08:31 |
| R38.htm | 47262 | 2022-10-31 16:08:31 |
| R39.htm | 14802 | 2022-10-31 16:08:31 |
| R4.htm | 80179 | 2022-10-31 16:08:31 |
| R40.htm | 23560 | 2022-10-31 16:08:31 |
| R41.htm | 37944 | 2022-10-31 16:08:31 |
| R42.htm | 43743 | 2022-10-31 16:08:31 |
| R43.htm | 14535 | 2022-10-31 16:08:31 |
| R5.htm | 139147 | 2022-10-31 16:08:31 |
| R6.htm | 87261 | 2022-10-31 16:08:31 |
| R7.htm | 47907 | 2022-10-31 16:08:31 |
| R8.htm | 25114 | 2022-10-31 16:08:31 |
| R9.htm | 127973 | 2022-10-31 16:08:31 |
| report.css | 2767 | 2022-10-31 16:08:31 |
| Show.js | 1085 | 2022-10-31 16:08:31 |