DERIVATIVE INSTRUMENTS (Schedule of Other Derivatives Not Designated as Hedging Instruments, Location in Statements) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Other noninterest income	$ (40)	$ (193)	$ (2,900)
Not Designated As Hedging Instrument | Interest rate lock commitments
Derivative Instruments, Gain (Loss) [Line Items]
Gain on loans sold and held for sale	456	1,105	(93)
Not Designated As Hedging Instrument | Forward commitments to sell mortgage-backed securities
Derivative Instruments, Gain (Loss) [Line Items]
Gain on loans sold and held for sale	424	(2,267)	891
Not Designated As Hedging Instrument | Interest rate swap agreements – subordinated debentures
Derivative Instruments, Gain (Loss) [Line Items]
Other noninterest income	(43)	(194)	(2,929)
Not Designated As Hedging Instrument | Customer interest rate swap agreements
Derivative Instruments, Gain (Loss) [Line Items]
Other noninterest income	$ 3	$ 1	$ 4