Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-24-012697-index-headers.html | 2024-09-10 14:54:29 | |
| 0001558370-24-012697-index.html | 2024-09-10 14:54:29 | |
| 0001558370-24-012697.txt | 2024-09-10 14:54:29 | |
 0001558370-24-012697-xbrl.zip | 8170 | 2024-09-10 14:54:29 |
| arch-20231231.xml | 35664 | 2024-09-10 14:54:29 |
| arch-20231231.xsd | 35390 | 2024-09-10 14:54:29 |
| arch-20231231xex99d1.htm | 87948 | 2024-09-10 14:54:29 |
| arch-20231231xsd.htm | 29060 | 2024-09-10 14:54:29 |
 arch-20231231xsd002.jpg | 8485 | 2024-09-10 14:54:29 |
| FilingSummary.xml | 3547 | 2024-09-10 14:54:29 |
| R1.htm | 12427 | 2024-09-10 14:54:29 |
| R2.htm | 1534 | 2024-09-10 14:54:29 |
| R3.htm | 10529 | 2024-09-10 14:54:29 |
| R4.htm | 4246 | 2024-09-10 14:54:29 |
| R5.htm | 22056 | 2024-09-10 14:54:29 |
| report.css | 2767 | 2024-09-10 14:54:29 |
| Show.js | 1085 | 2024-09-10 14:54:29 |