Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000945764-20-000009-index-headers.html | 2020-02-26 21:59:44 | |
| 0000945764-20-000009-index.html | 2020-02-26 21:59:44 | |
| 0000945764-20-000009.txt | 2020-02-26 21:59:44 | |
 0000945764-20-000009-xbrl.zip | 528928 | 2020-02-26 21:59:44 |
 chart-701843259d7f5d58997.jpg | 51120 | 2020-02-26 21:59:44 |
| dnr-20191231.xsd | 69111 | 2020-02-26 21:59:44 |
| dnr-20191231x10k.htm | 4040252 | 2020-02-26 21:59:44 |
| dnr-20191231x10k_htm.xml | 2288834 | 2020-02-26 21:59:44 |
| dnr-20191231xex21.htm | 9405 | 2020-02-26 21:59:44 |
| dnr-20191231xex23a.htm | 3758 | 2020-02-26 21:59:44 |
| dnr-20191231xex23b.htm | 5579 | 2020-02-26 21:59:44 |
| dnr-20191231xex31a.htm | 14387 | 2020-02-26 21:59:44 |
| dnr-20191231xex31b.htm | 14407 | 2020-02-26 21:59:44 |
| dnr-20191231xex32.htm | 12996 | 2020-02-26 21:59:44 |
| dnr-20191231xex4r.htm | 16206 | 2020-02-26 21:59:44 |
| dnr-20191231xex99.htm | 78772 | 2020-02-26 21:59:44 |
| dnr-20191231_cal.xml | 115028 | 2020-02-26 21:59:44 |
| dnr-20191231_def.xml | 293649 | 2020-02-26 21:59:44 |
| dnr-20191231_lab.xml | 979020 | 2020-02-26 21:59:44 |
| dnr-20191231_pre.xml | 573251 | 2020-02-26 21:59:44 |
| 5138184 | 2020-02-26 21:59:44 | |
| FilingSummary.xml | 53185 | 2020-02-26 21:59:44 |
| Financial_Report.xlsx | 123678 | 2020-02-26 21:59:44 |
 logo.jpg | 45689 | 2020-02-26 21:59:44 |
| MetaLinks.json | 797177 | 2020-02-26 21:59:44 |
| R1.htm | 59052 | 2020-02-26 21:59:44 |
| R10.htm | 68074 | 2020-02-26 21:59:44 |
| R11.htm | 25497 | 2020-02-26 21:59:44 |
| R12.htm | 31318 | 2020-02-26 21:59:44 |
| R13.htm | 111119 | 2020-02-26 21:59:44 |
| R14.htm | 108993 | 2020-02-26 21:59:44 |
| R15.htm | 6620 | 2020-02-26 21:59:44 |
| R16.htm | 130828 | 2020-02-26 21:59:44 |
| R17.htm | 61830 | 2020-02-26 21:59:44 |
| R18.htm | 88739 | 2020-02-26 21:59:44 |
| R19.htm | 17903 | 2020-02-26 21:59:44 |
| R2.htm | 96838 | 2020-02-26 21:59:44 |
| R20.htm | 16762 | 2020-02-26 21:59:44 |
| R21.htm | 32746 | 2020-02-26 21:59:44 |
| R22.htm | 201768 | 2020-02-26 21:59:44 |
| R23.htm | 79241 | 2020-02-26 21:59:44 |
| R24.htm | 21875 | 2020-02-26 21:59:44 |
| R25.htm | 74166 | 2020-02-26 21:59:44 |
| R26.htm | 22461 | 2020-02-26 21:59:44 |
| R27.htm | 27917 | 2020-02-26 21:59:44 |
| R28.htm | 51996 | 2020-02-26 21:59:44 |
| R29.htm | 107608 | 2020-02-26 21:59:44 |
| R3.htm | 28804 | 2020-02-26 21:59:44 |
| R30.htm | 137739 | 2020-02-26 21:59:44 |
| R31.htm | 60863 | 2020-02-26 21:59:44 |
| R32.htm | 81556 | 2020-02-26 21:59:44 |
| R33.htm | 16675 | 2020-02-26 21:59:44 |
| R34.htm | 31997 | 2020-02-26 21:59:44 |
| R35.htm | 12497 | 2020-02-26 21:59:44 |
| R36.htm | 10019 | 2020-02-26 21:59:44 |
| R37.htm | 13468 | 2020-02-26 21:59:44 |
| R38.htm | 27136 | 2020-02-26 21:59:44 |
| R39.htm | 9673 | 2020-02-26 21:59:44 |
| R4.htm | 61212 | 2020-02-26 21:59:44 |
| R40.htm | 43616 | 2020-02-26 21:59:44 |
| R41.htm | 13445 | 2020-02-26 21:59:44 |
| R42.htm | 6764 | 2020-02-26 21:59:44 |
| R43.htm | 13896 | 2020-02-26 21:59:44 |
| R44.htm | 4344 | 2020-02-26 21:59:44 |
| R45.htm | 10416 | 2020-02-26 21:59:44 |
| R46.htm | 6787 | 2020-02-26 21:59:44 |
| R47.htm | 20685 | 2020-02-26 21:59:44 |
| R48.htm | 15476 | 2020-02-26 21:59:44 |
| R49.htm | 20123 | 2020-02-26 21:59:44 |
| R5.htm | 4447 | 2020-02-26 21:59:44 |
| R50.htm | 19382 | 2020-02-26 21:59:44 |
| R51.htm | 9548 | 2020-02-26 21:59:44 |
| R52.htm | 19557 | 2020-02-26 21:59:44 |
| R53.htm | 4508 | 2020-02-26 21:59:44 |
| R54.htm | 20103 | 2020-02-26 21:59:44 |
| R55.htm | 7669 | 2020-02-26 21:59:44 |
| R56.htm | 61966 | 2020-02-26 21:59:44 |
| R57.htm | 16671 | 2020-02-26 21:59:44 |
| R58.htm | 361515 | 2020-02-26 21:59:44 |
| R59.htm | 22756 | 2020-02-26 21:59:44 |
| R6.htm | 88799 | 2020-02-26 21:59:44 |
| R60.htm | 8279 | 2020-02-26 21:59:44 |
| R61.htm | 35627 | 2020-02-26 21:59:44 |
| R62.htm | 23013 | 2020-02-26 21:59:44 |
| R63.htm | 31289 | 2020-02-26 21:59:44 |
| R64.htm | 10994 | 2020-02-26 21:59:44 |
| R65.htm | 11552 | 2020-02-26 21:59:44 |
| R66.htm | 37710 | 2020-02-26 21:59:44 |
| R67.htm | 7333 | 2020-02-26 21:59:44 |
| R68.htm | 6760 | 2020-02-26 21:59:44 |
| R69.htm | 22831 | 2020-02-26 21:59:44 |
| R7.htm | 54120 | 2020-02-26 21:59:44 |
| R70.htm | 15992 | 2020-02-26 21:59:44 |
| R71.htm | 41740 | 2020-02-26 21:59:44 |
| R72.htm | 9063 | 2020-02-26 21:59:44 |
| R73.htm | 33769 | 2020-02-26 21:59:44 |
| R74.htm | 42173 | 2020-02-26 21:59:44 |
| R75.htm | 25568 | 2020-02-26 21:59:44 |
| R76.htm | 13520 | 2020-02-26 21:59:44 |
| R77.htm | 14119 | 2020-02-26 21:59:44 |
| R78.htm | 6218 | 2020-02-26 21:59:44 |
| R79.htm | 23543 | 2020-02-26 21:59:44 |
| R8.htm | 127299 | 2020-02-26 21:59:44 |
| R80.htm | 14832 | 2020-02-26 21:59:44 |
| R81.htm | 13871 | 2020-02-26 21:59:44 |
| R82.htm | 28043 | 2020-02-26 21:59:44 |
| R9.htm | 31189 | 2020-02-26 21:59:44 |
| report.css | 2767 | 2020-02-26 21:59:44 |
| Show.js | 1085 | 2020-02-26 21:59:44 |