Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-22-061161-index-headers.html | 2022-05-16 14:21:40 | |
| 0001104659-22-061161-index.html | 2022-05-16 14:21:40 | |
| 0001104659-22-061161.txt | 2022-05-16 14:21:40 | |
 0001104659-22-061161-xbrl.zip | 11723 | 2022-05-16 14:21:40 |
| arch-20220513.xsd | 3033 | 2022-05-16 14:21:40 |
| arch-20220513_lab.xml | 34476 | 2022-05-16 14:21:40 |
| arch-20220513_pre.xml | 22595 | 2022-05-16 14:21:40 |
| FilingSummary.xml | 1607 | 2022-05-16 14:21:40 |
| Financial_Report.xlsx | 5682 | 2022-05-16 14:21:40 |
| MetaLinks.json | 38030 | 2022-05-16 14:21:40 |
| R1.htm | 40243 | 2022-05-16 14:21:40 |
| report.css | 2766 | 2022-05-16 14:21:40 |
| Show.js | 1084 | 2022-05-16 14:21:40 |
| tm2215702d1_8k.htm | 49758 | 2022-05-16 14:21:40 |
| tm2215702d1_8k_htm.xml | 3608 | 2022-05-16 14:21:40 |