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Other Real Estate Owned | 3 Months Ended
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Mar. 31, 2020
Other Real Estate Owned [Abstract] |
Other Real Estate Owned | Note 8. Other Real Estate Owned Changes in other real estate owned were as follows:
|  | Three Months Ended
|  | March 31,
(Dollars in thousands) |  | 2020 |  | 2019
Balance at beginning of the period |  | $ | — |  | $ | 2,684
Additions |  |  | — |  |  | —
Proceeds from dispositions |  |  | — |  |  | —
Gains on sales, net |  |  | — |  |  | —
Valuation adjustment |  |  | — |  |  | —
Balance at the end of the period |  | $ | — |  | $ | 2,684

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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
Name: | fraf_OtherRealEstateOwnedDisclosureTextBlock
Namespace Prefix: | fraf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration