Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-18-006012-index-headers.html | 2018-04-02 12:00:44 | |
| 0001437749-18-006012-index.html | 2018-04-02 12:00:44 | |
| 0001437749-18-006012.txt | 2018-04-02 12:00:44 | |
 0001437749-18-006012-xbrl.zip | 268585 | 2018-04-02 12:00:44 |
| ex_109024.htm | 59366 | 2018-04-02 12:00:44 |
| ex_109025.htm | 13088 | 2018-04-02 12:00:44 |
| ex_109026.htm | 13095 | 2018-04-02 12:00:44 |
| ex_109027.htm | 4484 | 2018-04-02 12:00:44 |
| ex_109028.htm | 4614 | 2018-04-02 12:00:44 |
| ex_109073.htm | 18862 | 2018-04-02 12:00:44 |
| ex_109538.htm | 3399 | 2018-04-02 12:00:44 |
| FilingSummary.xml | 45190 | 2018-04-02 12:00:44 |
| Financial_Report.xlsx | 105612 | 2018-04-02 12:00:44 |
| glf-20171231.xml | 3033812 | 2018-04-02 12:00:44 |
| glf-20171231.xsd | 112060 | 2018-04-02 12:00:44 |
| glf-20171231_cal.xml | 58432 | 2018-04-02 12:00:44 |
| glf-20171231_def.xml | 706712 | 2018-04-02 12:00:44 |
| glf-20171231_lab.xml | 631610 | 2018-04-02 12:00:44 |
| glf-20171231_pre.xml | 747428 | 2018-04-02 12:00:44 |
| glf20171231b_10k.htm | 3766420 | 2018-04-02 12:00:44 |
| R1.htm | 30109 | 2018-04-02 12:00:44 |
| R10.htm | 267651 | 2018-04-02 12:00:44 |
| R11.htm | 41783 | 2018-04-02 12:00:44 |
| R12.htm | 29503 | 2018-04-02 12:00:44 |
| R13.htm | 71376 | 2018-04-02 12:00:44 |
| R14.htm | 205771 | 2018-04-02 12:00:44 |
| R15.htm | 21729 | 2018-04-02 12:00:44 |
| R16.htm | 69687 | 2018-04-02 12:00:44 |
| R17.htm | 161848 | 2018-04-02 12:00:44 |
| R18.htm | 19766 | 2018-04-02 12:00:44 |
| R19.htm | 207364 | 2018-04-02 12:00:44 |
| R2.htm | 105490 | 2018-04-02 12:00:44 |
| R20.htm | 60616 | 2018-04-02 12:00:44 |
| R21.htm | 101667 | 2018-04-02 12:00:44 |
| R22.htm | 226837 | 2018-04-02 12:00:44 |
| R23.htm | 27879 | 2018-04-02 12:00:44 |
| R24.htm | 20775 | 2018-04-02 12:00:44 |
| R25.htm | 36703 | 2018-04-02 12:00:44 |
| R26.htm | 177944 | 2018-04-02 12:00:44 |
| R27.htm | 12773 | 2018-04-02 12:00:44 |
| R28.htm | 54534 | 2018-04-02 12:00:44 |
| R29.htm | 153595 | 2018-04-02 12:00:44 |
| R3.htm | 27985 | 2018-04-02 12:00:44 |
| R30.htm | 201837 | 2018-04-02 12:00:44 |
| R31.htm | 58296 | 2018-04-02 12:00:44 |
| R32.htm | 119106 | 2018-04-02 12:00:44 |
| R33.htm | 76625 | 2018-04-02 12:00:44 |
| R34.htm | 13834 | 2018-04-02 12:00:44 |
| R35.htm | 11591 | 2018-04-02 12:00:44 |
| R36.htm | 14226 | 2018-04-02 12:00:44 |
| R37.htm | 197666 | 2018-04-02 12:00:44 |
| R38.htm | 36792 | 2018-04-02 12:00:44 |
| R39.htm | 44445 | 2018-04-02 12:00:44 |
| R4.htm | 77103 | 2018-04-02 12:00:44 |
| R40.htm | 19192 | 2018-04-02 12:00:44 |
| R41.htm | 34654 | 2018-04-02 12:00:44 |
| R42.htm | 13337 | 2018-04-02 12:00:44 |
| R43.htm | 14799 | 2018-04-02 12:00:44 |
| R44.htm | 145981 | 2018-04-02 12:00:44 |
| R45.htm | 24928 | 2018-04-02 12:00:44 |
| R46.htm | 18219 | 2018-04-02 12:00:44 |
| R47.htm | 70087 | 2018-04-02 12:00:44 |
| R48.htm | 11899 | 2018-04-02 12:00:44 |
| R49.htm | 37830 | 2018-04-02 12:00:44 |
| R5.htm | 13924 | 2018-04-02 12:00:44 |
| R50.htm | 39627 | 2018-04-02 12:00:44 |
| R51.htm | 29555 | 2018-04-02 12:00:44 |
| R52.htm | 11257 | 2018-04-02 12:00:44 |
| R53.htm | 12224 | 2018-04-02 12:00:44 |
| R54.htm | 7464 | 2018-04-02 12:00:44 |
| R55.htm | 17920 | 2018-04-02 12:00:44 |
| R56.htm | 35359 | 2018-04-02 12:00:44 |
| R57.htm | 12673 | 2018-04-02 12:00:44 |
| R58.htm | 23300 | 2018-04-02 12:00:44 |
| R59.htm | 45584 | 2018-04-02 12:00:44 |
| R6.htm | 70191 | 2018-04-02 12:00:44 |
| R60.htm | 45268 | 2018-04-02 12:00:44 |
| R61.htm | 15047 | 2018-04-02 12:00:44 |
| R62.htm | 18556 | 2018-04-02 12:00:44 |
| R63.htm | 11449 | 2018-04-02 12:00:44 |
| R64.htm | 20527 | 2018-04-02 12:00:44 |
| R65.htm | 13322 | 2018-04-02 12:00:44 |
| R66.htm | 59038 | 2018-04-02 12:00:44 |
| R67.htm | 21170 | 2018-04-02 12:00:44 |
| R68.htm | 150913 | 2018-04-02 12:00:44 |
| R69.htm | 23092 | 2018-04-02 12:00:44 |
| R7.htm | 113971 | 2018-04-02 12:00:44 |
| R8.htm | 4199 | 2018-04-02 12:00:44 |
| R9.htm | 65334 | 2018-04-02 12:00:44 |
| report.css | 2767 | 2018-04-02 12:00:44 |
| Show.js | 1410 | 2018-04-02 12:00:44 |