v3.26.1
Deposits (Narrative) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Deposits [Abstract]
Time deposits greater than $250,000
$ 58.9
$ 55.9
X
- Definition
Time Deposits 250000 Or More
+ References
No definition available.
+ Details
Name:
fraf_TimeDeposits250000OrMore
Namespace Prefix:
fraf_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_DepositsAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration