Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001104659-23-111595-index.html | 2023-10-26 07:00:33 | |
| 0001104659-23-111595.txt | 2023-10-26 07:00:33 | |
 0001104659-23-111595-xbrl.zip | 37183 | 2023-10-26 07:00:33 |
| arch-20231026.xsd | 3015 | 2023-10-26 07:00:33 |
| arch-20231026_lab.xml | 34240 | 2023-10-26 07:00:33 |
| arch-20231026_pre.xml | 22359 | 2023-10-26 07:00:33 |
| FilingSummary.xml | 1638 | 2023-10-26 07:00:33 |
| Financial_Report.xlsx | 5703 | 2023-10-26 07:00:33 |
| MetaLinks.json | 39218 | 2023-10-26 07:00:33 |
| R1.htm | 39615 | 2023-10-26 07:00:33 |
| report.css | 2767 | 2023-10-26 07:00:33 |
| Show.js | 1085 | 2023-10-26 07:00:33 |
| tm2328870d1_8k.htm | 31698 | 2023-10-26 07:00:33 |
| tm2328870d1_8k_htm.xml | 3322 | 2023-10-26 07:00:33 |
| tm2328870d1_ex99-1.htm | 418612 | 2023-10-26 07:00:33 |
 tm2328870d1_ex99-1img001.jpg | 8846 | 2023-10-26 07:00:33 |