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| 0001104659-22-111753-index.html | 2022-10-27 07:10:25 | |
| 0001104659-22-111753.txt | 2022-10-27 07:10:25 | |
 0001104659-22-111753-xbrl.zip | 38991 | 2022-10-27 07:10:25 |
| arch-20221027.xsd | 3033 | 2022-10-27 07:10:25 |
| arch-20221027_lab.xml | 34476 | 2022-10-27 07:10:25 |
| arch-20221027_pre.xml | 22595 | 2022-10-27 07:10:25 |
| FilingSummary.xml | 1649 | 2022-10-27 07:10:25 |
| Financial_Report.xlsx | 5703 | 2022-10-27 07:10:25 |
| MetaLinks.json | 38030 | 2022-10-27 07:10:25 |
| R1.htm | 39617 | 2022-10-27 07:10:25 |
| report.css | 2767 | 2022-10-27 07:10:25 |
| Show.js | 1085 | 2022-10-27 07:10:25 |
| tm2228413d1_8k.htm | 26825 | 2022-10-27 07:10:25 |
| tm2228413d1_8k_htm.xml | 3612 | 2022-10-27 07:10:25 |
| tm2228413d1_ex99-1.htm | 507815 | 2022-10-27 07:10:25 |
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