Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-19-004213-index-headers.html | 2019-03-29 13:15:07 | |
| 0001493152-19-004213-index.html | 2019-03-29 13:15:07 | |
| 0001493152-19-004213.txt | 2019-03-29 13:15:07 | |
 0001493152-19-004213-xbrl.zip | 36085 | 2019-03-29 13:15:07 |
| ex31-1.htm | 18066 | 2019-03-29 13:15:07 |
| ex32-1.htm | 9696 | 2019-03-29 13:15:07 |
| FilingSummary.xml | 15794 | 2019-03-29 13:15:07 |
| Financial_Report.xlsx | 28156 | 2019-03-29 13:15:07 |
| form10-k.htm | 333460 | 2019-03-29 13:15:07 |
 form10k_001.jpg | 48268 | 2019-03-29 13:15:07 |
 form10k_002.jpg | 896 | 2019-03-29 13:15:07 |
| R1.htm | 34782 | 2019-03-29 13:15:07 |
| R10.htm | 5409 | 2019-03-29 13:15:07 |
| R11.htm | 4922 | 2019-03-29 13:15:07 |
| R12.htm | 9136 | 2019-03-29 13:15:07 |
| R13.htm | 5208 | 2019-03-29 13:15:07 |
| R14.htm | 52552 | 2019-03-29 13:15:07 |
| R15.htm | 6395 | 2019-03-29 13:15:07 |
| R16.htm | 6888 | 2019-03-29 13:15:07 |
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| R18.htm | 10217 | 2019-03-29 13:15:07 |
| R19.htm | 7231 | 2019-03-29 13:15:07 |
| R2.htm | 52237 | 2019-03-29 13:15:07 |
| R20.htm | 5721 | 2019-03-29 13:15:07 |
| R21.htm | 15911 | 2019-03-29 13:15:07 |
| R22.htm | 4997 | 2019-03-29 13:15:07 |
| R23.htm | 12246 | 2019-03-29 13:15:07 |
| R24.htm | 10204 | 2019-03-29 13:15:07 |
| R25.htm | 10328 | 2019-03-29 13:15:07 |
| R3.htm | 18545 | 2019-03-29 13:15:07 |
| R4.htm | 28168 | 2019-03-29 13:15:07 |
| R5.htm | 16575 | 2019-03-29 13:15:07 |
| R6.htm | 40871 | 2019-03-29 13:15:07 |
| R7.htm | 10396 | 2019-03-29 13:15:07 |
| R8.htm | 8135 | 2019-03-29 13:15:07 |
| R9.htm | 27350 | 2019-03-29 13:15:07 |
| report.css | 2767 | 2019-03-29 13:15:07 |
| Show.js | 1085 | 2019-03-29 13:15:07 |
| wgl-20181231.xml | 106835 | 2019-03-29 13:15:07 |
| wgl-20181231.xsd | 15429 | 2019-03-29 13:15:07 |
| wgl-20181231_cal.xml | 23888 | 2019-03-29 13:15:07 |
| wgl-20181231_def.xml | 39031 | 2019-03-29 13:15:07 |
| wgl-20181231_lab.xml | 107782 | 2019-03-29 13:15:07 |
| wgl-20181231_pre.xml | 93651 | 2019-03-29 13:15:07 |