Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-23-022590-index-headers.html | 2023-02-16 06:55:28 | |
| 0001104659-23-022590-index.html | 2023-02-16 06:55:28 | |
| 0001104659-23-022590.txt | 2023-02-16 06:55:28 | |
 0001104659-23-022590-xbrl.zip | 39037 | 2023-02-16 06:55:28 |
| arch-20230216.xsd | 3033 | 2023-02-16 06:55:28 |
| arch-20230216_lab.xml | 34476 | 2023-02-16 06:55:28 |
| arch-20230216_pre.xml | 22595 | 2023-02-16 06:55:28 |
| FilingSummary.xml | 1643 | 2023-02-16 06:55:28 |
| Financial_Report.xlsx | 5704 | 2023-02-16 06:55:28 |
| MetaLinks.json | 39340 | 2023-02-16 06:55:28 |
| R1.htm | 39615 | 2023-02-16 06:55:28 |
| report.css | 2767 | 2023-02-16 06:55:28 |
| Show.js | 1085 | 2023-02-16 06:55:28 |
| tm236627d1_8k.htm | 26355 | 2023-02-16 06:55:28 |
| tm236627d1_8k_htm.xml | 3612 | 2023-02-16 06:55:28 |
| tm236627d1_ex99-1.htm | 471668 | 2023-02-16 06:55:28 |
 tm236627d1_ex99-1img001.jpg | 3620 | 2023-02-16 06:55:28 |
 tm236627d1_ex99-1img002.jpg | 2788 | 2023-02-16 06:55:28 |