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Accounting Policies (Details) | 1 Months Ended
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Sep. 30, 2011
Accounting Policies (Textual) [Abstract] |
More-likely-than-not-threshold percentage | 50.00%

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- Details
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Namespace Prefix: | asrv_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition More-likely-than-not threshold percentage. + References No definition available. + Details
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