Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001603923-22-000071-index-headers.html | 2022-04-28 16:53:02 | |
| 0001603923-22-000071-index.html | 2022-04-28 16:53:02 | |
| 0001603923-22-000071.txt | 2022-04-28 16:53:02 | |
 0001603923-22-000071-xbrl.zip | 173888 | 2022-04-28 16:53:02 |
| a2022-q1ex311ceo302cert.htm | 10893 | 2022-04-28 16:53:02 |
| a2022-q1ex312cfo302cert.htm | 11217 | 2022-04-28 16:53:02 |
| a2022-q1ex321ceo906cert.htm | 7409 | 2022-04-28 16:53:02 |
| a2022-q1ex322cfo906cert.htm | 7435 | 2022-04-28 16:53:02 |
| FilingSummary.xml | 30600 | 2022-04-28 16:53:02 |
| Financial_Report.xlsx | 62711 | 2022-04-28 16:53:02 |
| MetaLinks.json | 468588 | 2022-04-28 16:53:02 |
| R1.htm | 57968 | 2022-04-28 16:53:02 |
| R10.htm | 35353 | 2022-04-28 16:53:02 |
| R11.htm | 17873 | 2022-04-28 16:53:02 |
| R12.htm | 11027 | 2022-04-28 16:53:02 |
| R13.htm | 38177 | 2022-04-28 16:53:02 |
| R14.htm | 8338 | 2022-04-28 16:53:02 |
| R15.htm | 95149 | 2022-04-28 16:53:02 |
| R16.htm | 12622 | 2022-04-28 16:53:02 |
| R17.htm | 10051 | 2022-04-28 16:53:02 |
| R18.htm | 12287 | 2022-04-28 16:53:02 |
| R19.htm | 45366 | 2022-04-28 16:53:02 |
| R2.htm | 92262 | 2022-04-28 16:53:02 |
| R20.htm | 37559 | 2022-04-28 16:53:02 |
| R21.htm | 33731 | 2022-04-28 16:53:02 |
| R22.htm | 20127 | 2022-04-28 16:53:02 |
| R23.htm | 11112 | 2022-04-28 16:53:02 |
| R24.htm | 32481 | 2022-04-28 16:53:02 |
| R25.htm | 93287 | 2022-04-28 16:53:02 |
| R26.htm | 10762 | 2022-04-28 16:53:02 |
| R27.htm | 10483 | 2022-04-28 16:53:02 |
| R28.htm | 46321 | 2022-04-28 16:53:02 |
| R29.htm | 7673 | 2022-04-28 16:53:02 |
| R3.htm | 28267 | 2022-04-28 16:53:02 |
| R30.htm | 18007 | 2022-04-28 16:53:02 |
| R31.htm | 22168 | 2022-04-28 16:53:02 |
| R32.htm | 24595 | 2022-04-28 16:53:02 |
| R33.htm | 13268 | 2022-04-28 16:53:02 |
| R34.htm | 16075 | 2022-04-28 16:53:02 |
| R35.htm | 10882 | 2022-04-28 16:53:02 |
| R36.htm | 9959 | 2022-04-28 16:53:02 |
| R37.htm | 11291 | 2022-04-28 16:53:02 |
| R38.htm | 5522 | 2022-04-28 16:53:02 |
| R39.htm | 14257 | 2022-04-28 16:53:02 |
| R4.htm | 121426 | 2022-04-28 16:53:02 |
| R40.htm | 14885 | 2022-04-28 16:53:02 |
| R41.htm | 32503 | 2022-04-28 16:53:02 |
| R42.htm | 61708 | 2022-04-28 16:53:02 |
| R43.htm | 32691 | 2022-04-28 16:53:02 |
| R44.htm | 4760 | 2022-04-28 16:53:02 |
| R45.htm | 49677 | 2022-04-28 16:53:02 |
| R46.htm | 19760 | 2022-04-28 16:53:02 |
| R47.htm | 32501 | 2022-04-28 16:53:02 |
| R48.htm | 4829 | 2022-04-28 16:53:02 |
| R49.htm | 15467 | 2022-04-28 16:53:02 |
| R5.htm | 20805 | 2022-04-28 16:53:02 |
| R6.htm | 76841 | 2022-04-28 16:53:02 |
| R7.htm | 9816 | 2022-04-28 16:53:02 |
| R8.htm | 48634 | 2022-04-28 16:53:02 |
| R9.htm | 38609 | 2022-04-28 16:53:02 |
| report.css | 2767 | 2022-04-28 16:53:02 |
| Show.js | 1085 | 2022-04-28 16:53:02 |
| wfrd-20220331.htm | 970969 | 2022-04-28 16:53:02 |
| wfrd-20220331.xsd | 29536 | 2022-04-28 16:53:02 |
| wfrd-20220331_cal.xml | 47478 | 2022-04-28 16:53:02 |
| wfrd-20220331_def.xml | 169611 | 2022-04-28 16:53:02 |
| wfrd-20220331_htm.xml | 907024 | 2022-04-28 16:53:02 |
| wfrd-20220331_lab.xml | 380489 | 2022-04-28 16:53:02 |
| wfrd-20220331_pre.xml | 288486 | 2022-04-28 16:53:02 |