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v3.20.1

Other Real Estate Owned (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Real Estate Owned [Abstract] |
Summary Of Changes In Other Real Estate Owned |
﻿ |  |  |  |  |  |
﻿ |  |
﻿(Dollars in thousands) |  | 2019 |  | 2018
﻿Balance at beginning of the period |  | $ | 2,684 |  | $ | 2,598
﻿ Additions |  |  | 80 |  |  | 176
﻿ Proceeds from dispositions |  |  | (3,065) |  |  | (79)
﻿ Gain (loss) on sales, net |  |  | 326 |  |  | (5)
﻿ Valuation adjustment |  |  | (25) |  |  | (6)
﻿Balance at the end of the period |  | $ | — |  | $ | 2,684
﻿

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

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- Definition Tabular disclosure of the change in other real estate on properties owned. Excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure by banks. + References No definition available. + Details
Name: | us-gaap_OtherRealEstateRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration