Parent Directory| Name | Size | Last Modified |
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| 0001104659-24-059194-index.html | 2024-05-09 11:27:45 | |
| 0001104659-24-059194.txt | 2024-05-09 11:27:45 | |
 0001104659-24-059194-xbrl.zip | 11684 | 2024-05-09 11:27:45 |
| arch-20240507.xsd | 3015 | 2024-05-09 11:27:45 |
| arch-20240507_lab.xml | 34240 | 2024-05-09 11:27:45 |
| arch-20240507_pre.xml | 22359 | 2024-05-09 11:27:45 |
| FilingSummary.xml | 1641 | 2024-05-09 11:27:45 |
| Financial_Report.xlsx | 5708 | 2024-05-09 11:27:45 |
| MetaLinks.json | 39218 | 2024-05-09 11:27:45 |
| R1.htm | 39617 | 2024-05-09 11:27:45 |
| report.css | 2766 | 2024-05-09 11:27:45 |
| Show.js | 1084 | 2024-05-09 11:27:45 |
| tm2413958d1_8k.htm | 41391 | 2024-05-09 11:27:45 |
| tm2413958d1_8k_htm.xml | 3690 | 2024-05-09 11:27:45 |