Note 10 - Postretirement Medical Benefits (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Note 10 - Postretirement Medical Benefits (Details) [Line Items]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year		$ 359
Other Postretirement Benefits Payments	$ 70	$ 141
Plan 2 [Member]
Note 10 - Postretirement Medical Benefits (Details) [Line Items]
Employee Service Requirement		20 years
Employee Age Requirement		55 years
Contributions Plan 2	50.00%	50.00%
Plan 1 [Member]
Note 10 - Postretirement Medical Benefits (Details) [Line Items]
Company Contributions Plan 1	100.00%	100.00%

Percentage of employee contributions paid by the company related to postretirement benefits identified as Plan 1.

No definition available.

Name:	ffkt_CompanyContributionsPlan1
Namespace Prefix:	ffkt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of contributions paid by the company and the employee related to postretirement benefits identified as Plan 2.

+ References

No definition available.

+ Details

Name:	ffkt_ContributionsPlan2
Namespace Prefix:	ffkt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Minimum age requirement upon retirement to be eligible for postretirement medical benefits.

+ References

No definition available.

+ Details

Name:	ffkt_EmployeeAgeRequirement
Namespace Prefix:	ffkt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Years of full time service required to be eligible for postretirement medical benefits.

+ References

No definition available.

+ Details

Name:	ffkt_EmployeeServiceRequirement
Namespace Prefix:	ffkt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	ffkt_Note10PostretirementMedicalBenefitsDetailsLineItems
Namespace Prefix:	ffkt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period.

+ References

No definition available.

+ Details

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

- Definition

The amount of cash or cash equivalents contributed during the reporting period by the entity to fund non-pension postretirement benefits.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

+ Details

Name:	us-gaap_OtherPostretirementBenefitsPayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=ffkt_Plan2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=ffkt_Plan1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: