SECURITIES (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Amortized Cost, Available for sale:
Within one year	$ 5,707
One to five years	64,269
Five to ten years	143,669
Beyond ten years	289,350
Total	502,995	524,529
Fair Value, Available for sale:
Within one year	5,751
One to five years	64,099
Five to ten years	137,259
Beyond ten years	281,555
Estimated Fair Value	488,664	529,070
Amortized Cost, Held to maturity:
Within one year	24,367
One to five years	35,388
Five to ten years	31,553
Beyond ten years	106,314
Total	197,622	210,735
Fair Value, Held to maturity:
Within one year	24,516
One to five years	35,551
Five to ten years	31,512
Beyond ten years	103,836
Estimated Fair Value	$ 195,415	$ 213,702