REAL ESTATE ACQUIRED THROUGH FORECLOSURE (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Beginning balance	$ 500	$ 0
Provision	1,060	500
Writedowns	(588)	0
Ending balance	$ 972	$ 500

Amount of the valuation allowance for real estate acquired through foreclosure that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off.

No definition available.

Name:	ffky_RealEstateAcquiredThroughForeclosureValuationAllowanceAmountsApplied
Namespace Prefix:	ffky_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration