SECURITIES (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Amortized Cost, Available for sale:
Within one year	$ 10,507
One to five years	90,049
Five to ten years	128,043
Beyond ten years	653,318
Total	881,917	$ 808,168
Fair Value, Available for sale:
Within one year	10,521
One to five years	90,378
Five to ten years	128,594
Beyond ten years	654,133
Estimated Fair Value	883,626	800,203
Amortized Cost, Held to maturity:
Within one year	4,910
One to five years	31,088
Five to ten years	62,414
Beyond ten years	119,866
Total	218,278	208,351
Fair Value, Held to maturity:
Within one year	4,926
One to five years	31,457
Five to ten years	65,077
Beyond ten years	122,075
Estimated Fair Value	$ 223,535	$ 210,003