Debt Instrument, Redemption Period

No definition available.

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Namespace Prefix:	fraf_
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

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-Section S99
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-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fair value of liabilities arising from or related to a financial instrument held by the entity for its own account (proprietary securities) which has been pledged to counterparties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=126970911&loc=SL6283291-111563

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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Borrowings (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
Borrowings (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount borrowed	$ 70,000
Subordinate notes	19,643		$ 19,623
Debt issuance costs	$ 357,000
Redemption period	5 years
Maturing September 1, 2030 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Subordinate notes	$ 15,000
Maturing September 1, 2035 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Subordinate notes	5,000
Through September 1, 2025 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Subordinate notes	$ 15,000
Interest rate	5.00%
After September 1, 2025 [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Basis spread on variable rate	4.93%
Through September 1, 2030 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Subordinate notes	$ 5,000
Interest rate	5.25%
After September 1, 2030 [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Basis spread on variable rate	4.92%
Subordinated Debt [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Subordinate notes	$ 20,000
Federal Reserve Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount borrowed	70,000
Fair value of debt securities pledged	69,700
Federal Reserve Bank Advances [Member] \| Maturing March 22, 2024 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount borrowed	$ 50,000
Interest rate	4.38%
Federal Reserve Bank Advances [Member] \| Maturing May 10, 2024 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount borrowed	$ 20,000
Interest rate	4.71%