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v3.23.2

Other Real Estate Owned | 6 Months Ended
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Jun. 30, 2023
Other Real Estate Owned [Abstract] |
Other Real Estate Owned | Note 8. Other Real Estate Owned The Bank had no other real estate owned at June 30, 2023 and December 31, 2022.

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- Definition OREO [Abstract] + References No definition available. + Details
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Namespace Prefix: | fraf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Other Real Estate Owned Disclosure [Text Block] + References No definition available. + Details
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Namespace Prefix: | fraf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration