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| 0001628280-22-006092.txt | 2022-03-14 17:03:17 | |
 0001628280-22-006092-xbrl.zip | 38756 | 2022-03-14 17:03:17 |
| art-20220308.htm | 50228 | 2022-03-14 17:03:17 |
| art-20220308.xsd | 1946 | 2022-03-14 17:03:17 |
| art-20220308_htm.xml | 11647 | 2022-03-14 17:03:17 |
| art-20220308_lab.xml | 25250 | 2022-03-14 17:03:17 |
| art-20220308_pre.xml | 13179 | 2022-03-14 17:03:17 |
| exhibit101-opunittimebased.htm | 75010 | 2022-03-14 17:03:17 |
| exhibit102-2022opunitperfo.htm | 93749 | 2022-03-14 17:03:17 |
| FilingSummary.xml | 1741 | 2022-03-14 17:03:17 |
| Financial_Report.xlsx | 5717 | 2022-03-14 17:03:17 |
| MetaLinks.json | 17436 | 2022-03-14 17:03:17 |
| R1.htm | 40156 | 2022-03-14 17:03:17 |
| report.css | 2767 | 2022-03-14 17:03:17 |
| Show.js | 1085 | 2022-03-14 17:03:17 |