Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000106455-18-000066-index-headers.html | 2018-08-03 18:17:26 | |
| 0000106455-18-000066-index.html | 2018-08-03 18:17:26 | |
| 0000106455-18-000066.txt | 2018-08-03 18:17:26 | |
 0000106455-18-000066-xbrl.zip | 299736 | 2018-08-03 18:17:26 |
| FilingSummary.xml | 44289 | 2018-08-03 18:17:26 |
| Financial_Report.xlsx | 107688 | 2018-08-03 18:17:26 |
| q22018exhibit_311.htm | 13718 | 2018-08-03 18:17:26 |
| q22018exhibit_312.htm | 13684 | 2018-08-03 18:17:26 |
| q22018exhibit_32.htm | 9234 | 2018-08-03 18:17:26 |
| q22018exhibit_951.htm | 121187 | 2018-08-03 18:17:26 |
| q22018wlb.htm | 2459073 | 2018-08-03 18:17:26 |
| R1.htm | 20440 | 2018-08-03 18:17:26 |
| R10.htm | 14005 | 2018-08-03 18:17:26 |
| R11.htm | 63921 | 2018-08-03 18:17:26 |
| R12.htm | 25766 | 2018-08-03 18:17:26 |
| R13.htm | 77428 | 2018-08-03 18:17:26 |
| R14.htm | 73954 | 2018-08-03 18:17:26 |
| R15.htm | 29674 | 2018-08-03 18:17:26 |
| R16.htm | 58875 | 2018-08-03 18:17:26 |
| R17.htm | 11000 | 2018-08-03 18:17:26 |
| R18.htm | 65617 | 2018-08-03 18:17:26 |
| R19.htm | 37666 | 2018-08-03 18:17:26 |
| R2.htm | 107753 | 2018-08-03 18:17:26 |
| R20.htm | 13828 | 2018-08-03 18:17:26 |
| R21.htm | 210868 | 2018-08-03 18:17:26 |
| R22.htm | 7024 | 2018-08-03 18:17:26 |
| R23.htm | 5370 | 2018-08-03 18:17:26 |
| R24.htm | 530797 | 2018-08-03 18:17:26 |
| R25.htm | 512348 | 2018-08-03 18:17:26 |
| R26.htm | 27993 | 2018-08-03 18:17:26 |
| R27.htm | 16598 | 2018-08-03 18:17:26 |
| R28.htm | 14872 | 2018-08-03 18:17:26 |
| R29.htm | 65870 | 2018-08-03 18:17:26 |
| R3.htm | 10723 | 2018-08-03 18:17:26 |
| R30.htm | 22096 | 2018-08-03 18:17:26 |
| R31.htm | 48462 | 2018-08-03 18:17:26 |
| R32.htm | 74908 | 2018-08-03 18:17:26 |
| R33.htm | 26403 | 2018-08-03 18:17:26 |
| R34.htm | 55448 | 2018-08-03 18:17:26 |
| R35.htm | 66785 | 2018-08-03 18:17:26 |
| R36.htm | 36094 | 2018-08-03 18:17:26 |
| R37.htm | 13032 | 2018-08-03 18:17:26 |
| R38.htm | 212003 | 2018-08-03 18:17:26 |
| R39.htm | 33263 | 2018-08-03 18:17:26 |
| R4.htm | 66135 | 2018-08-03 18:17:26 |
| R40.htm | 158223 | 2018-08-03 18:17:26 |
| R41.htm | 88624 | 2018-08-03 18:17:26 |
| R42.htm | 47365 | 2018-08-03 18:17:26 |
| R43.htm | 165184 | 2018-08-03 18:17:26 |
| R44.htm | 16066 | 2018-08-03 18:17:26 |
| R45.htm | 35182 | 2018-08-03 18:17:26 |
| R46.htm | 19610 | 2018-08-03 18:17:26 |
| R47.htm | 12886 | 2018-08-03 18:17:26 |
| R48.htm | 11337 | 2018-08-03 18:17:26 |
| R49.htm | 21926 | 2018-08-03 18:17:26 |
| R5.htm | 32888 | 2018-08-03 18:17:26 |
| R50.htm | 19358 | 2018-08-03 18:17:26 |
| R51.htm | 24618 | 2018-08-03 18:17:26 |
| R52.htm | 31248 | 2018-08-03 18:17:26 |
| R53.htm | 26972 | 2018-08-03 18:17:26 |
| R54.htm | 187030 | 2018-08-03 18:17:26 |
| R55.htm | 12493 | 2018-08-03 18:17:26 |
| R56.htm | 11171 | 2018-08-03 18:17:26 |
| R57.htm | 22157 | 2018-08-03 18:17:26 |
| R58.htm | 14139 | 2018-08-03 18:17:26 |
| R59.htm | 30348 | 2018-08-03 18:17:26 |
| R6.htm | 114904 | 2018-08-03 18:17:26 |
| R60.htm | 11498 | 2018-08-03 18:17:26 |
| R61.htm | 14054 | 2018-08-03 18:17:26 |
| R62.htm | 26228 | 2018-08-03 18:17:26 |
| R63.htm | 22138 | 2018-08-03 18:17:26 |
| R64.htm | 8050 | 2018-08-03 18:17:26 |
| R65.htm | 7777 | 2018-08-03 18:17:26 |
| R66.htm | 31854 | 2018-08-03 18:17:26 |
| R67.htm | 8278 | 2018-08-03 18:17:26 |
| R68.htm | 6907 | 2018-08-03 18:17:26 |
| R69.htm | 40919 | 2018-08-03 18:17:26 |
| R7.htm | 540680 | 2018-08-03 18:17:26 |
| R70.htm | 39353 | 2018-08-03 18:17:26 |
| R71.htm | 7098 | 2018-08-03 18:17:26 |
| R8.htm | 35910 | 2018-08-03 18:17:26 |
| R9.htm | 14755 | 2018-08-03 18:17:26 |
| R9999.htm | 4843 | 2018-08-03 18:17:26 |
| report.css | 2767 | 2018-08-03 18:17:26 |
| Show.js | 1410 | 2018-08-03 18:17:26 |
| wlb-20180630.xml | 3836914 | 2018-08-03 18:17:26 |
| wlb-20180630.xsd | 56628 | 2018-08-03 18:17:26 |
| wlb-20180630_cal.xml | 111455 | 2018-08-03 18:17:26 |
| wlb-20180630_def.xml | 360672 | 2018-08-03 18:17:26 |
| wlb-20180630_lab.xml | 733097 | 2018-08-03 18:17:26 |
| wlb-20180630_pre.xml | 528995 | 2018-08-03 18:17:26 |
 wlblogonamea05.jpg | 20098 | 2018-08-03 18:17:26 |