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v3.25.1

Risks and Uncertainties (Details) | 3 Months Ended
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Mar. 31, 2025 subsidiaryBusinessTrust
Risks and Uncertainties [Abstract] |
Number of business subsidiary trusts | 2

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- Definition Number Of Business Subsidiary Trusts + References No definition available. + Details
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Namespace Prefix: | arow_
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Balance Type: | na
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- References No definition available. + Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
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