Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-002153-index-headers.html | 2020-03-06 17:22:38 | |
| 0001558370-20-002153-index.html | 2020-03-06 17:22:38 | |
| 0001558370-20-002153.txt | 2020-03-06 17:22:38 | |
 0001558370-20-002153-xbrl.zip | 157209 | 2020-03-06 17:22:38 |
| dwsn-20191231.xml | 1963944 | 2020-03-06 17:22:38 |
| dwsn-20191231.xsd | 46546 | 2020-03-06 17:22:38 |
| dwsn-20191231ex211f43b84.htm | 2529 | 2020-03-06 17:22:38 |
| dwsn-20191231ex231b15cb5.htm | 10766 | 2020-03-06 17:22:38 |
| dwsn-20191231ex31123eb2c.htm | 21143 | 2020-03-06 17:22:38 |
| dwsn-20191231ex3127ecd62.htm | 20103 | 2020-03-06 17:22:38 |
| dwsn-20191231ex321bb3a33.htm | 8474 | 2020-03-06 17:22:38 |
| dwsn-20191231ex322bb7845.htm | 8517 | 2020-03-06 17:22:38 |
| dwsn-20191231ex4211b3e03.htm | 29333 | 2020-03-06 17:22:38 |
| dwsn-20191231x10k.htm | 2490331 | 2020-03-06 17:22:38 |
| dwsn-20191231_cal.xml | 85893 | 2020-03-06 17:22:38 |
| dwsn-20191231_def.xml | 157285 | 2020-03-06 17:22:38 |
| dwsn-20191231_lab.xml | 526967 | 2020-03-06 17:22:38 |
| dwsn-20191231_pre.xml | 374432 | 2020-03-06 17:22:38 |
 dwsn20191231x10k001.jpg | 48384 | 2020-03-06 17:22:38 |
| FilingSummary.xml | 36506 | 2020-03-06 17:22:38 |
| Financial_Report.xlsx | 77788 | 2020-03-06 17:22:38 |
| R1.htm | 33875 | 2020-03-06 17:22:38 |
| R10.htm | 38979 | 2020-03-06 17:22:38 |
| R11.htm | 48447 | 2020-03-06 17:22:38 |
| R12.htm | 59236 | 2020-03-06 17:22:38 |
| R13.htm | 174377 | 2020-03-06 17:22:38 |
| R14.htm | 117472 | 2020-03-06 17:22:38 |
| R15.htm | 5445 | 2020-03-06 17:22:38 |
| R16.htm | 5287 | 2020-03-06 17:22:38 |
| R17.htm | 4658 | 2020-03-06 17:22:38 |
| R18.htm | 176162 | 2020-03-06 17:22:38 |
| R19.htm | 70687 | 2020-03-06 17:22:38 |
| R2.htm | 98508 | 2020-03-06 17:22:38 |
| R20.htm | 35857 | 2020-03-06 17:22:38 |
| R21.htm | 6728 | 2020-03-06 17:22:38 |
| R22.htm | 8092 | 2020-03-06 17:22:38 |
| R23.htm | 10751 | 2020-03-06 17:22:38 |
| R24.htm | 6287 | 2020-03-06 17:22:38 |
| R25.htm | 82305 | 2020-03-06 17:22:38 |
| R26.htm | 62757 | 2020-03-06 17:22:38 |
| R27.htm | 38778 | 2020-03-06 17:22:38 |
| R28.htm | 45748 | 2020-03-06 17:22:38 |
| R29.htm | 57182 | 2020-03-06 17:22:38 |
| R3.htm | 21318 | 2020-03-06 17:22:38 |
| R30.htm | 174395 | 2020-03-06 17:22:38 |
| R31.htm | 115686 | 2020-03-06 17:22:38 |
| R32.htm | 179719 | 2020-03-06 17:22:38 |
| R33.htm | 71481 | 2020-03-06 17:22:38 |
| R34.htm | 35099 | 2020-03-06 17:22:38 |
| R35.htm | 81617 | 2020-03-06 17:22:38 |
| R36.htm | 53724 | 2020-03-06 17:22:38 |
| R37.htm | 7143 | 2020-03-06 17:22:38 |
| R38.htm | 30925 | 2020-03-06 17:22:38 |
| R39.htm | 9704 | 2020-03-06 17:22:38 |
| R4.htm | 63828 | 2020-03-06 17:22:38 |
| R40.htm | 12504 | 2020-03-06 17:22:38 |
| R41.htm | 11404 | 2020-03-06 17:22:38 |
| R42.htm | 48556 | 2020-03-06 17:22:38 |
| R43.htm | 28887 | 2020-03-06 17:22:38 |
| R44.htm | 13786 | 2020-03-06 17:22:38 |
| R45.htm | 14031 | 2020-03-06 17:22:38 |
| R46.htm | 35421 | 2020-03-06 17:22:38 |
| R47.htm | 37851 | 2020-03-06 17:22:38 |
| R48.htm | 23116 | 2020-03-06 17:22:38 |
| R49.htm | 29414 | 2020-03-06 17:22:38 |
| R5.htm | 60891 | 2020-03-06 17:22:38 |
| R50.htm | 56848 | 2020-03-06 17:22:38 |
| R51.htm | 5592 | 2020-03-06 17:22:38 |
| R52.htm | 8149 | 2020-03-06 17:22:38 |
| R53.htm | 4562 | 2020-03-06 17:22:38 |
| R54.htm | 111277 | 2020-03-06 17:22:38 |
| R55.htm | 24529 | 2020-03-06 17:22:38 |
| R56.htm | 17315 | 2020-03-06 17:22:38 |
| R57.htm | 22377 | 2020-03-06 17:22:38 |
| R58.htm | 21868 | 2020-03-06 17:22:38 |
| R59.htm | 5482 | 2020-03-06 17:22:38 |
| R6.htm | 106593 | 2020-03-06 17:22:38 |
| R60.htm | 10974 | 2020-03-06 17:22:38 |
| R61.htm | 22500 | 2020-03-06 17:22:38 |
| R7.htm | 31159 | 2020-03-06 17:22:38 |
| R8.htm | 5441 | 2020-03-06 17:22:38 |
| R9.htm | 7937 | 2020-03-06 17:22:38 |
| report.css | 2767 | 2020-03-06 17:22:38 |
| Show.js | 1085 | 2020-03-06 17:22:38 |