Parent Directory| Name | Size | Last Modified |
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| 0001104659-22-083420-index.html | 2022-07-28 06:46:47 | |
| 0001104659-22-083420.txt | 2022-07-28 06:46:47 | |
 0001104659-22-083420-xbrl.zip | 35226 | 2022-07-28 06:46:47 |
| arch-20220728.xsd | 3033 | 2022-07-28 06:46:47 |
| arch-20220728_lab.xml | 34476 | 2022-07-28 06:46:47 |
| arch-20220728_pre.xml | 22595 | 2022-07-28 06:46:47 |
| FilingSummary.xml | 1647 | 2022-07-28 06:46:47 |
| Financial_Report.xlsx | 5706 | 2022-07-28 06:46:47 |
| MetaLinks.json | 38030 | 2022-07-28 06:46:47 |
| R1.htm | 40087 | 2022-07-28 06:46:47 |
| report.css | 2767 | 2022-07-28 06:46:47 |
| Show.js | 1085 | 2022-07-28 06:46:47 |
| tm2221448d1_8k.htm | 27003 | 2022-07-28 06:46:47 |
| tm2221448d1_8k_htm.xml | 3612 | 2022-07-28 06:46:47 |
| tm2221448d1_ex99-1.htm | 321353 | 2022-07-28 06:46:47 |
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