INVESTMENT SECURITIES (Details 2) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 35,870	$ 293,889	$ 305,435
12 Months or More, Fair Value	13,273	46,465	46,004
Total Fair Value	49,143	340,354	351,439
Less Than 12 Months, Unrealized Losses	(150)	(2,204)	(2,922)
12 Months or More, Unrealized Losses	(104)	(1,008)	(1,371)
Total Unrealized Losses	(254)	(3,212)	(4,293)
US Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	0	9,932	9,818
12 Months or More, Fair Value	0	4,958	4,928
Total Fair Value	0	14,890	14,746
Less Than 12 Months, Unrealized Losses	0	(27)	(138)
12 Months or More, Unrealized Losses	0	(42)	(72)
Total Unrealized Losses	0	(69)	(210)
State, county and municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	0	19,293	50,294
12 Months or More, Fair Value	3,862	11,557	10,404
Total Fair Value	3,862	30,850	60,698
Less Than 12 Months, Unrealized Losses	0	(199)	(680)
12 Months or More, Unrealized Losses	(54)	(212)	(323)
Total Unrealized Losses	(54)	(411)	(1,003)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	5,683	1,383	7,149
12 Months or More, Fair Value	0	0	0
Total Fair Value	5,683	1,383	7,149
Less Than 12 Months, Unrealized Losses	(22)	(28)	(58)
12 Months or More, Unrealized Losses	0	0	0
Total Unrealized Losses	(22)	(28)	(58)
Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	30,187	263,281	238,174
12 Months or More, Fair Value	9,411	29,950	30,672
Total Fair Value	39,598	293,231	268,846
Less Than 12 Months, Unrealized Losses	(128)	(1,950)	(2,046)
12 Months or More, Unrealized Losses	(50)	(754)	(976)
Total Unrealized Losses	$ (178)	$ (2,704)	$ (3,022)