Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000826675-22-000031-index-headers.html | 2022-08-01 15:44:59 | |
| 0000826675-22-000031-index.html | 2022-08-01 15:44:59 | |
| 0000826675-22-000031.txt | 2022-08-01 15:44:59 | |
 0000826675-22-000031-xbrl.zip | 521031 | 2022-08-01 15:44:59 |
| a2q22ex-311ceocertification.htm | 10728 | 2022-08-01 15:44:59 |
| a2q22ex-312cfocertification.htm | 10742 | 2022-08-01 15:44:59 |
| a2q22ex-321soxcertification.htm | 8074 | 2022-08-01 15:44:59 |
| dx-20220630.htm | 2331653 | 2022-08-01 15:44:59 |
| dx-20220630.xsd | 27967 | 2022-08-01 15:44:59 |
| dx-20220630_cal.xml | 43640 | 2022-08-01 15:44:59 |
| dx-20220630_def.xml | 311723 | 2022-08-01 15:44:59 |
 dx-20220630_g1.jpg | 118009 | 2022-08-01 15:44:59 |
 dx-20220630_g2.jpg | 121550 | 2022-08-01 15:44:59 |
 dx-20220630_g3.jpg | 80770 | 2022-08-01 15:44:59 |
| dx-20220630_htm.xml | 1720753 | 2022-08-01 15:44:59 |
| dx-20220630_lab.xml | 491950 | 2022-08-01 15:44:59 |
| dx-20220630_pre.xml | 377566 | 2022-08-01 15:44:59 |
| FilingSummary.xml | 27997 | 2022-08-01 15:44:59 |
| Financial_Report.xlsx | 91520 | 2022-08-01 15:44:59 |
| MetaLinks.json | 522618 | 2022-08-01 15:44:59 |
| R1.htm | 62037 | 2022-08-01 15:44:59 |
| R10.htm | 66979 | 2022-08-01 15:44:59 |
| R11.htm | 118952 | 2022-08-01 15:44:59 |
| R12.htm | 74796 | 2022-08-01 15:44:59 |
| R13.htm | 50563 | 2022-08-01 15:44:59 |
| R14.htm | 76049 | 2022-08-01 15:44:59 |
| R15.htm | 23301 | 2022-08-01 15:44:59 |
| R16.htm | 125884 | 2022-08-01 15:44:59 |
| R17.htm | 67422 | 2022-08-01 15:44:59 |
| R18.htm | 129448 | 2022-08-01 15:44:59 |
| R19.htm | 142115 | 2022-08-01 15:44:59 |
| R2.htm | 87548 | 2022-08-01 15:44:59 |
| R20.htm | 47341 | 2022-08-01 15:44:59 |
| R21.htm | 19128 | 2022-08-01 15:44:59 |
| R22.htm | 37085 | 2022-08-01 15:44:59 |
| R23.htm | 52559 | 2022-08-01 15:44:59 |
| R24.htm | 15089 | 2022-08-01 15:44:59 |
| R25.htm | 13491 | 2022-08-01 15:44:59 |
| R26.htm | 27270 | 2022-08-01 15:44:59 |
| R27.htm | 22378 | 2022-08-01 15:44:59 |
| R28.htm | 20837 | 2022-08-01 15:44:59 |
| R29.htm | 11693 | 2022-08-01 15:44:59 |
| R3.htm | 80541 | 2022-08-01 15:44:59 |
| R30.htm | 20277 | 2022-08-01 15:44:59 |
| R31.htm | 15566 | 2022-08-01 15:44:59 |
| R32.htm | 15719 | 2022-08-01 15:44:59 |
| R33.htm | 17124 | 2022-08-01 15:44:59 |
| R34.htm | 6962 | 2022-08-01 15:44:59 |
| R35.htm | 12336 | 2022-08-01 15:44:59 |
| R36.htm | 18940 | 2022-08-01 15:44:59 |
| R37.htm | 33051 | 2022-08-01 15:44:59 |
| R38.htm | 26772 | 2022-08-01 15:44:59 |
| R39.htm | 41805 | 2022-08-01 15:44:59 |
| R4.htm | 118337 | 2022-08-01 15:44:59 |
| R40.htm | 14934 | 2022-08-01 15:44:59 |
| R41.htm | 24392 | 2022-08-01 15:44:59 |
| R42.htm | 36301 | 2022-08-01 15:44:59 |
| R43.htm | 43693 | 2022-08-01 15:44:59 |
| R44.htm | 14625 | 2022-08-01 15:44:59 |
| R5.htm | 83732 | 2022-08-01 15:44:59 |
| R6.htm | 22816 | 2022-08-01 15:44:59 |
| R7.htm | 49797 | 2022-08-01 15:44:59 |
| R8.htm | 25832 | 2022-08-01 15:44:59 |
| R9.htm | 123420 | 2022-08-01 15:44:59 |
| report.css | 2767 | 2022-08-01 15:44:59 |
| Show.js | 1085 | 2022-08-01 15:44:59 |