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Bonds Payable - Schedule of Maturities of Long-term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Disclosure [Abstract] |  |
2022 | $ 107,453 |
2023 | 11,935 |
2024 | 11,935 |
Bonds | $ 131,323 | $ 194,880

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- Definition It represents bonds. + References No definition available. + Details
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Namespace Prefix: | arl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Bonds Payable, Maturity, Year One + References No definition available. + Details
Name: | arl_BondsPayableMaturityYearOne
Namespace Prefix: | arl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Bonds Payable, Maturity, Year Three + References No definition available. + Details
Name: | arl_BondsPayableMaturityYearThree
Namespace Prefix: | arl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Bonds Payable, Maturity, Year Two + References No definition available. + Details
Name: | arl_BondsPayableMaturityYearTwo
Namespace Prefix: | arl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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