Note 7 - Loans and Allowance for Loan Losses (Details) - Individually Impaired Loans by Class of Loans - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Real Estate
Impaired loans, unpaid principal balance	$ 45,529	$ 47,033
Impaired loans, recorded investment with no allowance	14,208	15,644
Impaired loans, recorded investment with allowance	28,349	28,311
Impaired loans, total recorded investment	42,557	43,955
Impaired loans, allowance for loan losses allocated	3,059	3,371
Real Estate Portfolio Segment [Member] \| Real Estate Construction and Land Development [Member]
Real Estate
Impaired loans, unpaid principal balance	11,524	13,656
Impaired loans, recorded investment with no allowance	5,523	6,902
Impaired loans, recorded investment with allowance	3,280	3,917
Impaired loans, total recorded investment	8,803	10,819
Impaired loans, allowance for loan losses allocated	525	744
Real Estate Portfolio Segment [Member] \| Real Estate Mortgage Residential [Member]
Real Estate
Impaired loans, unpaid principal balance	10,698	10,256
Impaired loans, recorded investment with no allowance	3,344	3,473
Impaired loans, recorded investment with allowance	7,240	6,649
Impaired loans, total recorded investment	10,584	10,122
Impaired loans, allowance for loan losses allocated	1,196	1,172
Real Estate Portfolio Segment [Member] \| Real Estate Mortgage Farmland and Other Commercial Enterprises [Member]
Real Estate
Impaired loans, unpaid principal balance	22,376	23,003
Impaired loans, recorded investment with no allowance	5,018	5,247
Impaired loans, recorded investment with allowance	17,218	17,649
Impaired loans, total recorded investment	22,236	22,896
Impaired loans, allowance for loan losses allocated	904	1,359
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Real Estate
Impaired loans, unpaid principal balance	767	93
Impaired loans, recorded investment with no allowance	323	22
Impaired loans, recorded investment with allowance	446	71
Impaired loans, total recorded investment	769	93
Impaired loans, allowance for loan losses allocated	270	71
Consumer Portfolio Segment [Member] \| Consumer Unsecured [Member]
Real Estate
Impaired loans, unpaid principal balance	164	25
Impaired loans, recorded investment with no allowance	0	0
Impaired loans, recorded investment with allowance	165	25
Impaired loans, total recorded investment	165	25
Impaired loans, allowance for loan losses allocated	$ 164	25
Consumer Portfolio Segment [Member] \| Consumer Secured [Member]
Real Estate
Impaired loans, unpaid principal balance		0
Impaired loans, recorded investment with no allowance		0
Impaired loans, recorded investment with allowance		0
Impaired loans, total recorded investment		0
Impaired loans, allowance for loan losses allocated		$ 0

No definition available.

Name:	ffkt_RealEstateAbstract0
Namespace Prefix:	ffkt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

+ Details

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

- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)(4)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=ffkt_RealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ffkt_RealEstateConstructionAndLandDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ffkt_RealEstateMortgageResidentialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ffkt_RealEstateMortgageFarmlandAndOtherCommercialEnterprisesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ffkt_CommercialAndIndustrialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ffkt_ConsumerUnsecuredMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ffkt_ConsumerSecuredMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: