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Basis of Presentation and Nature of Operations (Details) | 6 Months Ended
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Jun. 30, 2024 bank
Business Acquisition [Line Items] |
Number of community banking office locations, ACNB | 26
Adams, Cumberland, Franklin and York Counties, Pennsylvania |
Business Acquisition [Line Items] |
Number of community banking office locations, ACNB | 17
Carroll and Frederick Counties, Maryland |
Business Acquisition [Line Items] |
Number of community banking office locations, ACNB | 9

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