Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-026977-index-headers.html | 2019-07-30 16:09:07 | |
| 0001564590-19-026977-index.html | 2019-07-30 16:09:07 | |
| 0001564590-19-026977.txt | 2019-07-30 16:09:07 | |
 0001564590-19-026977-xbrl.zip | 329891 | 2019-07-30 16:09:07 |
| FilingSummary.xml | 59530 | 2019-07-30 16:09:07 |
| Financial_Report.xlsx | 102278 | 2019-07-30 16:09:07 |
 gl0wmptndonj000001.jpg | 2406 | 2019-07-30 16:09:07 |
 gl0wmptndonj000002.jpg | 12253 | 2019-07-30 16:09:07 |
 gl0wmptndonj000003.jpg | 12578 | 2019-07-30 16:09:07 |
 gl0wmptndonj000004.jpg | 16886 | 2019-07-30 16:09:07 |
 gl0wmptndonj000005.jpg | 12613 | 2019-07-30 16:09:07 |
| glt-10q_20190630.htm | 5008823 | 2019-07-30 16:09:07 |
| glt-10q_20190630_htm.xml | 5066894 | 2019-07-30 16:09:07 |
| glt-20190630.xsd | 78549 | 2019-07-30 16:09:07 |
| glt-20190630_cal.xml | 80946 | 2019-07-30 16:09:07 |
| glt-20190630_def.xml | 281273 | 2019-07-30 16:09:07 |
| glt-20190630_lab.xml | 548901 | 2019-07-30 16:09:07 |
| glt-20190630_pre.xml | 476524 | 2019-07-30 16:09:07 |
| glt-ex101_79.htm | 177874 | 2019-07-30 16:09:07 |
| glt-ex102_80.htm | 19477 | 2019-07-30 16:09:07 |
| glt-ex311_10.htm | 16888 | 2019-07-30 16:09:07 |
| glt-ex312_8.htm | 18376 | 2019-07-30 16:09:07 |
| glt-ex321_11.htm | 7203 | 2019-07-30 16:09:07 |
| glt-ex322_7.htm | 8545 | 2019-07-30 16:09:07 |
| MetaLinks.json | 761135 | 2019-07-30 16:09:07 |
| R1.htm | 43892 | 2019-07-30 16:09:07 |
| R10.htm | 6375 | 2019-07-30 16:09:07 |
| R11.htm | 10346 | 2019-07-30 16:09:07 |
| R12.htm | 78858 | 2019-07-30 16:09:07 |
| R13.htm | 222170 | 2019-07-30 16:09:07 |
| R14.htm | 135410 | 2019-07-30 16:09:07 |
| R15.htm | 51251 | 2019-07-30 16:09:07 |
| R16.htm | 108096 | 2019-07-30 16:09:07 |
| R17.htm | 388817 | 2019-07-30 16:09:07 |
| R18.htm | 46605 | 2019-07-30 16:09:07 |
| R19.htm | 100798 | 2019-07-30 16:09:07 |
| R2.htm | 95407 | 2019-07-30 16:09:07 |
| R20.htm | 131528 | 2019-07-30 16:09:07 |
| R21.htm | 25859 | 2019-07-30 16:09:07 |
| R22.htm | 36059 | 2019-07-30 16:09:07 |
| R23.htm | 36724 | 2019-07-30 16:09:07 |
| R24.htm | 98429 | 2019-07-30 16:09:07 |
| R25.htm | 67465 | 2019-07-30 16:09:07 |
| R26.htm | 230045 | 2019-07-30 16:09:07 |
| R27.htm | 45681 | 2019-07-30 16:09:07 |
| R28.htm | 371652 | 2019-07-30 16:09:07 |
| R29.htm | 17429 | 2019-07-30 16:09:07 |
| R3.htm | 23419 | 2019-07-30 16:09:07 |
| R30.htm | 77063 | 2019-07-30 16:09:07 |
| R31.htm | 220979 | 2019-07-30 16:09:07 |
| R32.htm | 133303 | 2019-07-30 16:09:07 |
| R33.htm | 54052 | 2019-07-30 16:09:07 |
| R34.htm | 109357 | 2019-07-30 16:09:07 |
| R35.htm | 389514 | 2019-07-30 16:09:07 |
| R36.htm | 44092 | 2019-07-30 16:09:07 |
| R37.htm | 101028 | 2019-07-30 16:09:07 |
| R38.htm | 131413 | 2019-07-30 16:09:07 |
| R39.htm | 26150 | 2019-07-30 16:09:07 |
| R4.htm | 8601 | 2019-07-30 16:09:07 |
| R40.htm | 34903 | 2019-07-30 16:09:07 |
| R41.htm | 32869 | 2019-07-30 16:09:07 |
| R42.htm | 96315 | 2019-07-30 16:09:07 |
| R43.htm | 64255 | 2019-07-30 16:09:07 |
| R44.htm | 229449 | 2019-07-30 16:09:07 |
| R45.htm | 36704 | 2019-07-30 16:09:07 |
| R46.htm | 368718 | 2019-07-30 16:09:07 |
| R47.htm | 8586 | 2019-07-30 16:09:07 |
| R48.htm | 22243 | 2019-07-30 16:09:07 |
| R49.htm | 38266 | 2019-07-30 16:09:07 |
| R5.htm | 76525 | 2019-07-30 16:09:07 |
| R50.htm | 9499 | 2019-07-30 16:09:07 |
| R51.htm | 48561 | 2019-07-30 16:09:07 |
| R52.htm | 15019 | 2019-07-30 16:09:07 |
| R53.htm | 43766 | 2019-07-30 16:09:07 |
| R54.htm | 13554 | 2019-07-30 16:09:07 |
| R55.htm | 14448 | 2019-07-30 16:09:07 |
| R56.htm | 22927 | 2019-07-30 16:09:07 |
| R57.htm | 7158 | 2019-07-30 16:09:07 |
| R58.htm | 5217 | 2019-07-30 16:09:07 |
| R59.htm | 37722 | 2019-07-30 16:09:07 |
| R6.htm | 86170 | 2019-07-30 16:09:07 |
| R60.htm | 44690 | 2019-07-30 16:09:07 |
| R61.htm | 18184 | 2019-07-30 16:09:07 |
| R62.htm | 30922 | 2019-07-30 16:09:07 |
| R63.htm | 6687 | 2019-07-30 16:09:07 |
| R64.htm | 23709 | 2019-07-30 16:09:07 |
| R65.htm | 14200 | 2019-07-30 16:09:07 |
| R66.htm | 9915 | 2019-07-30 16:09:07 |
| R67.htm | 18949 | 2019-07-30 16:09:07 |
| R68.htm | 24980 | 2019-07-30 16:09:07 |
| R69.htm | 5387 | 2019-07-30 16:09:07 |
| R7.htm | 4358 | 2019-07-30 16:09:07 |
| R70.htm | 11993 | 2019-07-30 16:09:07 |
| R71.htm | 9605 | 2019-07-30 16:09:07 |
| R72.htm | 10513 | 2019-07-30 16:09:07 |
| R73.htm | 14257 | 2019-07-30 16:09:07 |
| R74.htm | 29547 | 2019-07-30 16:09:07 |
| R75.htm | 25210 | 2019-07-30 16:09:07 |
| R76.htm | 49369 | 2019-07-30 16:09:07 |
| R77.htm | 14745 | 2019-07-30 16:09:07 |
| R78.htm | 25150 | 2019-07-30 16:09:07 |
| R79.htm | 13072 | 2019-07-30 16:09:07 |
| R8.htm | 43180 | 2019-07-30 16:09:07 |
| R80.htm | 15661 | 2019-07-30 16:09:07 |
| R81.htm | 52944 | 2019-07-30 16:09:07 |
| R82.htm | 17719 | 2019-07-30 16:09:07 |
| R83.htm | 17821 | 2019-07-30 16:09:07 |
| R84.htm | 10937 | 2019-07-30 16:09:07 |
| R85.htm | 34700 | 2019-07-30 16:09:07 |
| R86.htm | 13233 | 2019-07-30 16:09:07 |
| R87.htm | 55566 | 2019-07-30 16:09:07 |
| R9.htm | 5070 | 2019-07-30 16:09:07 |
| report.css | 2768 | 2019-07-30 16:09:07 |
| Show.js | 1086 | 2019-07-30 16:09:07 |