Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001694426-21-000100-index-headers.html | 2021-04-26 17:38:28 | |
| 0001694426-21-000100-index.html | 2021-04-26 17:38:28 | |
| 0001694426-21-000100.txt | 2021-04-26 17:38:28 | |
 0001694426-21-000100-xbrl.zip | 610298 | 2021-04-26 17:38:28 |
| dk-20210426.htm | 33622 | 2021-04-26 17:38:28 |
| dk-20210426.xsd | 2589 | 2021-04-26 17:38:28 |
| dk-20210426_cal.xml | 742 | 2021-04-26 17:38:28 |
| dk-20210426_def.xml | 5470 | 2021-04-26 17:38:28 |
 dk-20210426_g1.jpg | 785759 | 2021-04-26 17:38:28 |
| dk-20210426_htm.xml | 10751 | 2021-04-26 17:38:28 |
| dk-20210426_lab.xml | 29344 | 2021-04-26 17:38:28 |
| dk-20210426_pre.xml | 16551 | 2021-04-26 17:38:28 |
| ex991dkissreleaseandletter.htm | 30680 | 2021-04-26 17:38:28 |
| FilingSummary.xml | 1874 | 2021-04-26 17:38:28 |
| Financial_Report.xlsx | 5725 | 2021-04-26 17:38:28 |
 image_01a.jpg | 68337 | 2021-04-26 17:38:28 |
| MetaLinks.json | 20819 | 2021-04-26 17:38:28 |
| R1.htm | 40874 | 2021-04-26 17:38:28 |
| report.css | 2767 | 2021-04-26 17:38:28 |
| Show.js | 1085 | 2021-04-26 17:38:28 |