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v3.25.2

Supplemental Cash Flows Information - Schedule of Noncash Investing and Financing Activities (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Supplemental Cash Flow Elements [Abstract] |  |
Accrued development costs | $ 13,738 | $ 1,664

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- Definition Accrued Development Cost + References No definition available. + Details
Name: | arl_AccruedDevelopmentCost
Namespace Prefix: | arl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration