XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.22.2

Loan Quality And Allowance For Loan Losses (Narrative) (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Loan Quality And Allowance For Loan Losses [Abstract] |  |
Loan Deferral Or Modification, Granted, Amount | $ 38,000 | $ 38,000

X
- Definition Loan Deferral Or Modification, Granted, Amount. + References No definition available. + Details
Name: | fraf_LoanDeferralOrModificationGrantedAmount
Namespace Prefix: | fraf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration