Note 8 - Other Real Estate Owned (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015
Disclosure Text Block [Abstract]
Mortgage Loans in Process of Foreclosure, Amount	$ 1.4

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

No definition available.

Name:	ffkt_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix:	ffkt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant