DERIVATIVE INSTRUMENTS (Schedule of Derivatives Not Designated as Hedging Instruments, Location in Statements of Operations) (Details) (Not Designated As Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest rate swap agreements [Member] | Other noninterest income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) on derivatives recognized in operations	$ 0	$ 0	$ (43)
Client interest rate swap agreements [Member] | Other noninterest income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) on derivatives recognized in operations	0	0	3
Interest rate lock commitments [Member] | Gain on loans sold and held for sale [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) on derivatives recognized in operations	363	(1,620)	456
Forward commitments to sell mortgage-backed securities [Member] | Gain on loans sold and held for sale [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) on derivatives recognized in operations	$ (590)	$ 601	$ 424