SECURITIES (Details 1) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Amortized Cost, Available for sale:
Within one year	$ 10,591
One to five years	86,316
Five to ten years	147,617
Beyond ten years	592,217
Total	836,741	$ 834,564
Fair Value, Available for sale:
Within one year	10,591
One to five years	85,639
Five to ten years	144,678
Beyond ten years	582,607
Estimated Fair Value	823,515	819,722
Amortized Cost, Held to maturity:
Within one year	19,276
One to five years	36,138
Five to ten years	56,800
Beyond ten years	102,747
Total	214,961	223,237
Fair Value, Held to maturity:
Within one year	19,307
One to five years	36,210
Five to ten years	57,517
Beyond ten years	101,588
Estimated Fair Value	$ 214,622	$ 222,878