No definition available.

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- Definition

The regulatory holding period in which OREO must be disposed of.

+ References

No definition available.

+ Details

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 35

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL49126937-111524

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(4))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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- Definition

Valuation adjustments made to other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(d))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

- Details

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- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
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- Details

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- Details

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- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=fncb_ResidentialRealEstateForeclosedMember
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- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=fncb_StroudsburgOfficeMember
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Note 5 - Other Real Estate Owned (Details)	3 Months Ended		6 Months Ended
Note 5 - Other Real Estate Owned (Details)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Jun. 29, 2014 USD ($)
Note 5 - Other Real Estate Owned (Details) [Line Items]
Other Real Estate, Valuation Adjustments	$ 118,000	$ 1,717,000	$ 130,000	$ 1,770,000
Consumer Portfolio Segment [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	70,000		70,000
Residential Portfolio Segment [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Other Real Estate	$ 27		$ 27		$ 27,000
Number of Real Estate Properties	2		2		2
Other Real Estate Owned [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Other Real Estate, Valuation Adjustments				$ 1,800,000
Number of Real Estate Properties	1	4	1	4
OREO Regulatory Holding Period				5 years
In Process of Foreclosure [Member] \| Consumer Portfolio Segment [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Number of Real Estate Properties	2		2
Residential Real Estate, Foreclosed [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Number of Real Estate Properties	1		1
Real Estate Investment Property, Net	$ 149,000		$ 149,000
Stroudsburg Office [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Other Real Estate		$ 800,000		$ 800,000		$ 1,700,000
Other Real Estate, Valuation Adjustments				900,000
Four Properties Held in OREO [Member]
Note 5 - Other Real Estate Owned (Details) [Line Items]
Other Real Estate, Valuation Adjustments				$ 700,000