Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-000723-index-headers.html | 2020-02-12 16:26:48 | |
| 0001558370-20-000723-index.html | 2020-02-12 16:26:48 | |
| 0001558370-20-000723.txt | 2020-02-12 16:26:48 | |
 0001558370-20-000723-xbrl.zip | 567915 | 2020-02-12 16:26:48 |
| amgp-20191231.xsd | 75035 | 2020-02-12 16:26:48 |
| amgp-20191231x10k3b249e.htm | 3473512 | 2020-02-12 16:26:48 |
 amgp-20191231x10k3b249e002.jpg | 3715 | 2020-02-12 16:26:48 |
 amgp-20191231x10k3b249e005.jpg | 27534 | 2020-02-12 16:26:48 |
| amgp-20191231x10k3b249e_htm.xml | 2287269 | 2020-02-12 16:26:48 |
| amgp-20191231_cal.xml | 98478 | 2020-02-12 16:26:48 |
| amgp-20191231_def.xml | 310913 | 2020-02-12 16:26:48 |
| amgp-20191231_lab.xml | 695991 | 2020-02-12 16:26:48 |
| amgp-20191231_pre.xml | 506357 | 2020-02-12 16:26:48 |
| ex-10d1.htm | 699652 | 2020-02-12 16:26:48 |
| ex-10d10.htm | 104315 | 2020-02-12 16:26:48 |
| ex-10d2.htm | 252800 | 2020-02-12 16:26:48 |
| ex-10d3.htm | 121586 | 2020-02-12 16:26:48 |
| ex-10d9.htm | 166333 | 2020-02-12 16:26:48 |
| ex-21d1.htm | 19830 | 2020-02-12 16:26:48 |
| ex-23d1.htm | 3380 | 2020-02-12 16:26:48 |
| ex-31d1.htm | 17813 | 2020-02-12 16:26:48 |
| ex-31d2.htm | 15912 | 2020-02-12 16:26:48 |
| ex-32d1.htm | 7884 | 2020-02-12 16:26:48 |
| ex-32d2.htm | 7906 | 2020-02-12 16:26:48 |
| ex-4d11.htm | 30113 | 2020-02-12 16:26:48 |
| ex-4d3.htm | 42422 | 2020-02-12 16:26:48 |
| ex-99d1.htm | 544002 | 2020-02-12 16:26:48 |
| FilingSummary.xml | 44502 | 2020-02-12 16:26:48 |
| Financial_Report.xlsx | 107189 | 2020-02-12 16:26:48 |
| MetaLinks.json | 744497 | 2020-02-12 16:26:48 |
| R1.htm | 58956 | 2020-02-12 16:26:48 |
| R10.htm | 75399 | 2020-02-12 16:26:48 |
| R11.htm | 12806 | 2020-02-12 16:26:48 |
| R12.htm | 43955 | 2020-02-12 16:26:48 |
| R13.htm | 9305 | 2020-02-12 16:26:48 |
| R14.htm | 69049 | 2020-02-12 16:26:48 |
| R15.htm | 30217 | 2020-02-12 16:26:48 |
| R16.htm | 73219 | 2020-02-12 16:26:48 |
| R17.htm | 27586 | 2020-02-12 16:26:48 |
| R18.htm | 20038 | 2020-02-12 16:26:48 |
| R19.htm | 59614 | 2020-02-12 16:26:48 |
| R2.htm | 82791 | 2020-02-12 16:26:48 |
| R20.htm | 92373 | 2020-02-12 16:26:48 |
| R21.htm | 68236 | 2020-02-12 16:26:48 |
| R22.htm | 20235 | 2020-02-12 16:26:48 |
| R23.htm | 104798 | 2020-02-12 16:26:48 |
| R24.htm | 94083 | 2020-02-12 16:26:48 |
| R25.htm | 65561 | 2020-02-12 16:26:48 |
| R26.htm | 86786 | 2020-02-12 16:26:48 |
| R27.htm | 74942 | 2020-02-12 16:26:48 |
| R28.htm | 11014 | 2020-02-12 16:26:48 |
| R29.htm | 45993 | 2020-02-12 16:26:48 |
| R3.htm | 32680 | 2020-02-12 16:26:48 |
| R30.htm | 77855 | 2020-02-12 16:26:48 |
| R31.htm | 29676 | 2020-02-12 16:26:48 |
| R32.htm | 74552 | 2020-02-12 16:26:48 |
| R33.htm | 16114 | 2020-02-12 16:26:48 |
| R34.htm | 19023 | 2020-02-12 16:26:48 |
| R35.htm | 44894 | 2020-02-12 16:26:48 |
| R36.htm | 91878 | 2020-02-12 16:26:48 |
| R37.htm | 65668 | 2020-02-12 16:26:48 |
| R38.htm | 12365 | 2020-02-12 16:26:48 |
| R39.htm | 100853 | 2020-02-12 16:26:48 |
| R4.htm | 69064 | 2020-02-12 16:26:48 |
| R40.htm | 92326 | 2020-02-12 16:26:48 |
| R41.htm | 65282 | 2020-02-12 16:26:48 |
| R42.htm | 19153 | 2020-02-12 16:26:48 |
| R43.htm | 15961 | 2020-02-12 16:26:48 |
| R44.htm | 13141 | 2020-02-12 16:26:48 |
| R45.htm | 77806 | 2020-02-12 16:26:48 |
| R46.htm | 20272 | 2020-02-12 16:26:48 |
| R47.htm | 14462 | 2020-02-12 16:26:48 |
| R48.htm | 17547 | 2020-02-12 16:26:48 |
| R49.htm | 19521 | 2020-02-12 16:26:48 |
| R5.htm | 4537 | 2020-02-12 16:26:48 |
| R50.htm | 7651 | 2020-02-12 16:26:48 |
| R51.htm | 19719 | 2020-02-12 16:26:48 |
| R52.htm | 22459 | 2020-02-12 16:26:48 |
| R53.htm | 46909 | 2020-02-12 16:26:48 |
| R54.htm | 6401 | 2020-02-12 16:26:48 |
| R55.htm | 45296 | 2020-02-12 16:26:48 |
| R56.htm | 10691 | 2020-02-12 16:26:48 |
| R57.htm | 19340 | 2020-02-12 16:26:48 |
| R58.htm | 21905 | 2020-02-12 16:26:48 |
| R59.htm | 14023 | 2020-02-12 16:26:48 |
| R6.htm | 72264 | 2020-02-12 16:26:48 |
| R60.htm | 87291 | 2020-02-12 16:26:48 |
| R61.htm | 13521 | 2020-02-12 16:26:48 |
| R62.htm | 131154 | 2020-02-12 16:26:48 |
| R63.htm | 29707 | 2020-02-12 16:26:48 |
| R64.htm | 11473 | 2020-02-12 16:26:48 |
| R65.htm | 12025 | 2020-02-12 16:26:48 |
| R66.htm | 27070 | 2020-02-12 16:26:48 |
| R67.htm | 43120 | 2020-02-12 16:26:48 |
| R68.htm | 86075 | 2020-02-12 16:26:48 |
| R69.htm | 115140 | 2020-02-12 16:26:48 |
| R7.htm | 112340 | 2020-02-12 16:26:48 |
| R70.htm | 25603 | 2020-02-12 16:26:48 |
| R8.htm | 9704 | 2020-02-12 16:26:48 |
| R9.htm | 45990 | 2020-02-12 16:26:48 |
| report.css | 2767 | 2020-02-12 16:26:48 |
| Show.js | 1085 | 2020-02-12 16:26:48 |