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v3.22.1

Income Taxes - Narrative (Details) | Dec. 31, 2021
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Income Tax Disclosure [Abstract] |
Valuation allowance percent | 100.00%

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- Definition Deferred Tax Assets, Valuation Allowance, Percent + References No definition available. + Details
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Namespace Prefix: | arl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration