Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000744455-17-000002-index-headers.html | 2017-03-01 16:02:03 | |
| 0000744455-17-000002-index.html | 2017-03-01 16:02:03 | |
| 0000744455-17-000002.txt | 2017-03-01 16:02:03 | |
 0000744455-17-000002-xbrl.zip | 624927 | 2017-03-01 16:02:03 |
| a2016gwla10k.htm | 5106841 | 2017-03-01 16:02:03 |
| FilingSummary.xml | 71619 | 2017-03-01 16:02:03 |
| Financial_Report.xlsx | 203312 | 2017-03-01 16:02:03 |
| gac-20161231.xml | 8204046 | 2017-03-01 16:02:03 |
| gac-20161231.xsd | 110404 | 2017-03-01 16:02:03 |
| gac-20161231_cal.xml | 228412 | 2017-03-01 16:02:03 |
| gac-20161231_def.xml | 700018 | 2017-03-01 16:02:03 |
| gac-20161231_lab.xml | 1618663 | 2017-03-01 16:02:03 |
| gac-20161231_pre.xml | 1042199 | 2017-03-01 16:02:03 |
| q42016ex21.htm | 13651 | 2017-03-01 16:02:03 |
| q42016ex24.htm | 329507 | 2017-03-01 16:02:03 |
| q42016ex311.htm | 14064 | 2017-03-01 16:02:03 |
| q42016ex312.htm | 14309 | 2017-03-01 16:02:03 |
| q42016ex32.htm | 14770 | 2017-03-01 16:02:03 |
| R1.htm | 28222 | 2017-03-01 16:02:03 |
| R10.htm | 23305 | 2017-03-01 16:02:03 |
| R100.htm | 22895 | 2017-03-01 16:02:03 |
| R101.htm | 30590 | 2017-03-01 16:02:03 |
| R102.htm | 26812 | 2017-03-01 16:02:03 |
| R103.htm | 23946 | 2017-03-01 16:02:03 |
| R104.htm | 30554 | 2017-03-01 16:02:03 |
| R105.htm | 17028 | 2017-03-01 16:02:03 |
| R106.htm | 19520 | 2017-03-01 16:02:03 |
| R107.htm | 11407 | 2017-03-01 16:02:03 |
| R108.htm | 12500 | 2017-03-01 16:02:03 |
| R109.htm | 84485 | 2017-03-01 16:02:03 |
| R11.htm | 31140 | 2017-03-01 16:02:03 |
| R110.htm | 19006 | 2017-03-01 16:02:03 |
| R111.htm | 11984 | 2017-03-01 16:02:03 |
| R112.htm | 41020 | 2017-03-01 16:02:03 |
| R113.htm | 42947 | 2017-03-01 16:02:03 |
| R114.htm | 49100 | 2017-03-01 16:02:03 |
| R115.htm | 29025 | 2017-03-01 16:02:03 |
| R116.htm | 73812 | 2017-03-01 16:02:03 |
| R117.htm | 104610 | 2017-03-01 16:02:03 |
| R118.htm | 28843 | 2017-03-01 16:02:03 |
| R119.htm | 78493 | 2017-03-01 16:02:03 |
| R12.htm | 105034 | 2017-03-01 16:02:03 |
| R120.htm | 27700 | 2017-03-01 16:02:03 |
| R121.htm | 6841 | 2017-03-01 16:02:03 |
| R122.htm | 36545 | 2017-03-01 16:02:03 |
| R13.htm | 393718 | 2017-03-01 16:02:03 |
| R14.htm | 289975 | 2017-03-01 16:02:03 |
| R15.htm | 44168 | 2017-03-01 16:02:03 |
| R16.htm | 459968 | 2017-03-01 16:02:03 |
| R17.htm | 79488 | 2017-03-01 16:02:03 |
| R18.htm | 97255 | 2017-03-01 16:02:03 |
| R19.htm | 43372 | 2017-03-01 16:02:03 |
| R2.htm | 109382 | 2017-03-01 16:02:03 |
| R20.htm | 41438 | 2017-03-01 16:02:03 |
| R21.htm | 15614 | 2017-03-01 16:02:03 |
| R22.htm | 27274 | 2017-03-01 16:02:03 |
| R23.htm | 254014 | 2017-03-01 16:02:03 |
| R24.htm | 20391 | 2017-03-01 16:02:03 |
| R25.htm | 596265 | 2017-03-01 16:02:03 |
| R26.htm | 126234 | 2017-03-01 16:02:03 |
| R27.htm | 239612 | 2017-03-01 16:02:03 |
| R28.htm | 103561 | 2017-03-01 16:02:03 |
| R29.htm | 54442 | 2017-03-01 16:02:03 |
| R3.htm | 27340 | 2017-03-01 16:02:03 |
| R30.htm | 5251 | 2017-03-01 16:02:03 |
| R31.htm | 94999 | 2017-03-01 16:02:03 |
| R32.htm | 137059 | 2017-03-01 16:02:03 |
| R33.htm | 11841 | 2017-03-01 16:02:03 |
| R34.htm | 102559 | 2017-03-01 16:02:03 |
| R35.htm | 402662 | 2017-03-01 16:02:03 |
| R36.htm | 273238 | 2017-03-01 16:02:03 |
| R37.htm | 43336 | 2017-03-01 16:02:03 |
| R38.htm | 446023 | 2017-03-01 16:02:03 |
| R39.htm | 82371 | 2017-03-01 16:02:03 |
| R4.htm | 55918 | 2017-03-01 16:02:03 |
| R40.htm | 90464 | 2017-03-01 16:02:03 |
| R41.htm | 42311 | 2017-03-01 16:02:03 |
| R42.htm | 35754 | 2017-03-01 16:02:03 |
| R43.htm | 15050 | 2017-03-01 16:02:03 |
| R44.htm | 19145 | 2017-03-01 16:02:03 |
| R45.htm | 255340 | 2017-03-01 16:02:03 |
| R46.htm | 20192 | 2017-03-01 16:02:03 |
| R47.htm | 608728 | 2017-03-01 16:02:03 |
| R48.htm | 124190 | 2017-03-01 16:02:03 |
| R49.htm | 232081 | 2017-03-01 16:02:03 |
| R5.htm | 35773 | 2017-03-01 16:02:03 |
| R50.htm | 103981 | 2017-03-01 16:02:03 |
| R51.htm | 46688 | 2017-03-01 16:02:03 |
| R52.htm | 42652 | 2017-03-01 16:02:03 |
| R53.htm | 31940 | 2017-03-01 16:02:03 |
| R54.htm | 8126 | 2017-03-01 16:02:03 |
| R55.htm | 18141 | 2017-03-01 16:02:03 |
| R56.htm | 40917 | 2017-03-01 16:02:03 |
| R57.htm | 9654 | 2017-03-01 16:02:03 |
| R58.htm | 11762 | 2017-03-01 16:02:03 |
| R59.htm | 21748 | 2017-03-01 16:02:03 |
| R6.htm | 5463 | 2017-03-01 16:02:03 |
| R60.htm | 11889 | 2017-03-01 16:02:03 |
| R61.htm | 29522 | 2017-03-01 16:02:03 |
| R62.htm | 62696 | 2017-03-01 16:02:03 |
| R63.htm | 37002 | 2017-03-01 16:02:03 |
| R64.htm | 9868 | 2017-03-01 16:02:03 |
| R65.htm | 22684 | 2017-03-01 16:02:03 |
| R66.htm | 24038 | 2017-03-01 16:02:03 |
| R67.htm | 60822 | 2017-03-01 16:02:03 |
| R68.htm | 14075 | 2017-03-01 16:02:03 |
| R69.htm | 27104 | 2017-03-01 16:02:03 |
| R7.htm | 36248 | 2017-03-01 16:02:03 |
| R70.htm | 13840 | 2017-03-01 16:02:03 |
| R71.htm | 35692 | 2017-03-01 16:02:03 |
| R72.htm | 43446 | 2017-03-01 16:02:03 |
| R73.htm | 59673 | 2017-03-01 16:02:03 |
| R74.htm | 35634 | 2017-03-01 16:02:03 |
| R75.htm | 27800 | 2017-03-01 16:02:03 |
| R76.htm | 161886 | 2017-03-01 16:02:03 |
| R77.htm | 52180 | 2017-03-01 16:02:03 |
| R78.htm | 18068 | 2017-03-01 16:02:03 |
| R79.htm | 29412 | 2017-03-01 16:02:03 |
| R8.htm | 117519 | 2017-03-01 16:02:03 |
| R80.htm | 9756 | 2017-03-01 16:02:03 |
| R81.htm | 23693 | 2017-03-01 16:02:03 |
| R82.htm | 15467 | 2017-03-01 16:02:03 |
| R83.htm | 17737 | 2017-03-01 16:02:03 |
| R84.htm | 9011 | 2017-03-01 16:02:03 |
| R85.htm | 40744 | 2017-03-01 16:02:03 |
| R86.htm | 28830 | 2017-03-01 16:02:03 |
| R87.htm | 48470 | 2017-03-01 16:02:03 |
| R88.htm | 16189 | 2017-03-01 16:02:03 |
| R89.htm | 23945 | 2017-03-01 16:02:03 |
| R9.htm | 88047 | 2017-03-01 16:02:03 |
| R90.htm | 17334 | 2017-03-01 16:02:03 |
| R91.htm | 5992 | 2017-03-01 16:02:03 |
| R92.htm | 33328 | 2017-03-01 16:02:03 |
| R93.htm | 35200 | 2017-03-01 16:02:03 |
| R94.htm | 66896 | 2017-03-01 16:02:03 |
| R95.htm | 44170 | 2017-03-01 16:02:03 |
| R96.htm | 11280 | 2017-03-01 16:02:03 |
| R97.htm | 39270 | 2017-03-01 16:02:03 |
| R98.htm | 23729 | 2017-03-01 16:02:03 |
| R99.htm | 11828 | 2017-03-01 16:02:03 |
| report.css | 2768 | 2017-03-01 16:02:03 |
| Show.js | 1411 | 2017-03-01 16:02:03 |