INVESTMENT SECURITIES (Details 2) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 154,406	$ 293,889	$ 56,043
12 Months or More, Fair Value	26,401	46,465	47,020
Total Fair Value	180,807	340,354	103,063
Less Than 12 Months, Unrealized Losses	(1,104)	(2,204)	(464)
12 Months or More, Unrealized Losses	(440)	(1,008)	(1,200)
Total Unrealized Losses	(1,544)	(3,212)	(1,664)
US Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	4,991	9,932	0
12 Months or More, Fair Value	0	4,958	4,958
Total Fair Value	4,991	14,890	4,958
Less Than 12 Months, Unrealized Losses	(9)	(27)	0
12 Months or More, Unrealized Losses	0	(42)	(42)
Total Unrealized Losses	(9)	(69)	(42)
State, county and municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	5,845	19,293	4,675
12 Months or More, Fair Value	1,639	11,557	10,579
Total Fair Value	7,484	30,850	15,254
Less Than 12 Months, Unrealized Losses	(96)	(199)	(34)
12 Months or More, Unrealized Losses	(29)	(212)	(201)
Total Unrealized Losses	(125)	(411)	(235)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	883	1,383	5,007
12 Months or More, Fair Value	0	0	0
Total Fair Value	883	1,383	5,007
Less Than 12 Months, Unrealized Losses	(24)	(28)	(52)
12 Months or More, Unrealized Losses	0	0	0
Total Unrealized Losses	(24)	(28)	(52)
Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	142,687	263,281	46,361
12 Months or More, Fair Value	24,762	29,950	31,483
Total Fair Value	167,449	293,231	77,844
Less Than 12 Months, Unrealized Losses	(975)	(1,950)	(378)
12 Months or More, Unrealized Losses	(411)	(754)	(957)
Total Unrealized Losses	$ (1,386)	$ (2,704)	$ (1,335)