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| 0001104659-24-051582.txt | 2024-04-25 07:10:43 | |
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| arch-20240425.xsd | 3015 | 2024-04-25 07:10:43 |
| arch-20240425_lab.xml | 34240 | 2024-04-25 07:10:43 |
| arch-20240425_pre.xml | 22359 | 2024-04-25 07:10:43 |
| FilingSummary.xml | 1641 | 2024-04-25 07:10:43 |
| Financial_Report.xlsx | 5706 | 2024-04-25 07:10:43 |
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| R1.htm | 39618 | 2024-04-25 07:10:43 |
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| tm2412529d1_8k_htm.xml | 3690 | 2024-04-25 07:10:43 |
| tm2412529d1_ex99-1.htm | 336389 | 2024-04-25 07:10:43 |
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