Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001104659-22-102679-index.html | 2022-09-23 16:15:27 | |
| 0001104659-22-102679.txt | 2022-09-23 16:15:27 | |
 0001104659-22-102679-xbrl.zip | 10678 | 2022-09-23 16:15:27 |
| arch-20220920.xsd | 3033 | 2022-09-23 16:15:27 |
| arch-20220920_lab.xml | 34476 | 2022-09-23 16:15:27 |
| arch-20220920_pre.xml | 22595 | 2022-09-23 16:15:27 |
| FilingSummary.xml | 1609 | 2022-09-23 16:15:27 |
| Financial_Report.xlsx | 5704 | 2022-09-23 16:15:27 |
| MetaLinks.json | 38030 | 2022-09-23 16:15:27 |
| R1.htm | 39617 | 2022-09-23 16:15:27 |
| report.css | 2766 | 2022-09-23 16:15:27 |
| Show.js | 1084 | 2022-09-23 16:15:27 |
| tm2226565d1_8k.htm | 24355 | 2022-09-23 16:15:27 |
| tm2226565d1_8k_htm.xml | 3612 | 2022-09-23 16:15:27 |