Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-18-011129-index-headers.html | 2018-08-14 17:04:46 | |
| 0001628280-18-011129-index.html | 2018-08-14 17:04:46 | |
| 0001628280-18-011129.txt | 2018-08-14 17:04:46 | |
 0001628280-18-011129-xbrl.zip | 294552 | 2018-08-14 17:04:46 |
| a2018630artandsubsq2.htm | 2609203 | 2018-08-14 17:04:46 |
 amclogoa03.jpg | 22848 | 2018-08-14 17:04:46 |
| art-20180630.xml | 2640676 | 2018-08-14 17:04:46 |
| art-20180630.xsd | 64357 | 2018-08-14 17:04:46 |
| art-20180630_cal.xml | 100621 | 2018-08-14 17:04:46 |
| art-20180630_def.xml | 410366 | 2018-08-14 17:04:46 |
| art-20180630_lab.xml | 874291 | 2018-08-14 17:04:46 |
| art-20180630_pre.xml | 507148 | 2018-08-14 17:04:46 |
| exhibit311q218.htm | 8474 | 2018-08-14 17:04:46 |
| exhibit312q218.htm | 8532 | 2018-08-14 17:04:46 |
| exhibit321q218.htm | 5551 | 2018-08-14 17:04:46 |
| exhibit322q218.htm | 5696 | 2018-08-14 17:04:46 |
| exhibit951q218.htm | 37953 | 2018-08-14 17:04:46 |
| FilingSummary.xml | 40445 | 2018-08-14 17:04:46 |
| Financial_Report.xlsx | 104243 | 2018-08-14 17:04:46 |
| R1.htm | 20407 | 2018-08-14 17:04:46 |
| R10.htm | 68205 | 2018-08-14 17:04:46 |
| R11.htm | 93399 | 2018-08-14 17:04:46 |
| R12.htm | 122944 | 2018-08-14 17:04:46 |
| R13.htm | 22133 | 2018-08-14 17:04:46 |
| R14.htm | 14799 | 2018-08-14 17:04:46 |
| R15.htm | 35908 | 2018-08-14 17:04:46 |
| R16.htm | 93399 | 2018-08-14 17:04:46 |
| R17.htm | 56780 | 2018-08-14 17:04:46 |
| R18.htm | 13341 | 2018-08-14 17:04:46 |
| R19.htm | 105894 | 2018-08-14 17:04:46 |
| R2.htm | 103874 | 2018-08-14 17:04:46 |
| R20.htm | 18311 | 2018-08-14 17:04:46 |
| R21.htm | 90645 | 2018-08-14 17:04:46 |
| R22.htm | 10506 | 2018-08-14 17:04:46 |
| R23.htm | 94059 | 2018-08-14 17:04:46 |
| R24.htm | 41979 | 2018-08-14 17:04:46 |
| R25.htm | 153963 | 2018-08-14 17:04:46 |
| R26.htm | 37690 | 2018-08-14 17:04:46 |
| R27.htm | 67081 | 2018-08-14 17:04:46 |
| R28.htm | 108434 | 2018-08-14 17:04:46 |
| R29.htm | 18685 | 2018-08-14 17:04:46 |
| R3.htm | 44751 | 2018-08-14 17:04:46 |
| R30.htm | 15166 | 2018-08-14 17:04:46 |
| R31.htm | 32350 | 2018-08-14 17:04:46 |
| R32.htm | 85768 | 2018-08-14 17:04:46 |
| R33.htm | 48731 | 2018-08-14 17:04:46 |
| R34.htm | 104192 | 2018-08-14 17:04:46 |
| R35.htm | 90038 | 2018-08-14 17:04:46 |
| R36.htm | 87173 | 2018-08-14 17:04:46 |
| R37.htm | 41980 | 2018-08-14 17:04:46 |
| R38.htm | 144131 | 2018-08-14 17:04:46 |
| R39.htm | 35083 | 2018-08-14 17:04:46 |
| R4.htm | 90884 | 2018-08-14 17:04:46 |
| R40.htm | 9482 | 2018-08-14 17:04:46 |
| R41.htm | 30611 | 2018-08-14 17:04:46 |
| R42.htm | 43919 | 2018-08-14 17:04:46 |
| R43.htm | 85576 | 2018-08-14 17:04:46 |
| R44.htm | 78307 | 2018-08-14 17:04:46 |
| R45.htm | 19536 | 2018-08-14 17:04:46 |
| R46.htm | 8654 | 2018-08-14 17:04:46 |
| R47.htm | 9960 | 2018-08-14 17:04:46 |
| R48.htm | 17233 | 2018-08-14 17:04:46 |
| R49.htm | 27874 | 2018-08-14 17:04:46 |
| R5.htm | 21519 | 2018-08-14 17:04:46 |
| R50.htm | 47079 | 2018-08-14 17:04:46 |
| R51.htm | 56639 | 2018-08-14 17:04:46 |
| R52.htm | 22598 | 2018-08-14 17:04:46 |
| R53.htm | 37533 | 2018-08-14 17:04:46 |
| R54.htm | 7160 | 2018-08-14 17:04:46 |
| R55.htm | 38271 | 2018-08-14 17:04:46 |
| R56.htm | 9332 | 2018-08-14 17:04:46 |
| R57.htm | 16579 | 2018-08-14 17:04:46 |
| R58.htm | 46914 | 2018-08-14 17:04:46 |
| R59.htm | 38393 | 2018-08-14 17:04:46 |
| R6.htm | 68130 | 2018-08-14 17:04:46 |
| R60.htm | 56364 | 2018-08-14 17:04:46 |
| R61.htm | 8066 | 2018-08-14 17:04:46 |
| R62.htm | 10262 | 2018-08-14 17:04:46 |
| R63.htm | 16350 | 2018-08-14 17:04:46 |
| R64.htm | 69378 | 2018-08-14 17:04:46 |
| R65.htm | 11660 | 2018-08-14 17:04:46 |
| R66.htm | 13582 | 2018-08-14 17:04:46 |
| R67.htm | 8237 | 2018-08-14 17:04:46 |
| R7.htm | 113540 | 2018-08-14 17:04:46 |
| R8.htm | 18154 | 2018-08-14 17:04:46 |
| R9.htm | 28502 | 2018-08-14 17:04:46 |
| report.css | 2767 | 2018-08-14 17:04:46 |
| Show.js | 1410 | 2018-08-14 17:04:46 |