INVESTMENT SECURITIES (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 242,672	$ 51,798	$ 81,346
12 Months or More, Fair Value	46,144	81,155	93,467
Total Fair Value	288,816	132,953	174,813
Less Than 12 Months, Unrealized Losses	(1,500)	(291)	(514)
12 Months or More, Unrealized Losses	(1,054)	(1,820)	(3,207)
Total Unrealized Losses	(2,554)	(2,111)	(3,721)
US Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	0	0	0
12 Months or More, Fair Value	4,985	14,678	14,460
Total Fair Value	4,985	14,678	14,460
Less Than 12 Months, Unrealized Losses	0	0	0
12 Months or More, Unrealized Losses	(15)	(275)	(491)
Total Unrealized Losses	(15)	(275)	(491)
State, county and municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	28,339	15,038	10,296
12 Months or More, Fair Value	10,451	19,665	22,696
Total Fair Value	38,790	34,703	32,992
Less Than 12 Months, Unrealized Losses	(297)	(70)	(98)
12 Months or More, Unrealized Losses	(222)	(363)	(616)
Total Unrealized Losses	(519)	(433)	(714)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	894	0	0
12 Months or More, Fair Value	0	0	4,997
Total Fair Value	894	0	4,997
Less Than 12 Months, Unrealized Losses	(19)	0	0
12 Months or More, Unrealized Losses	0	0	(73)
Total Unrealized Losses	(19)	0	(73)
Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	213,439	36,760	71,050
12 Months or More, Fair Value	30,708	46,812	51,314
Total Fair Value	244,147	83,572	122,364
Less Than 12 Months, Unrealized Losses	(1,184)	(221)	(416)
12 Months or More, Unrealized Losses	(817)	(1,182)	(2,027)
Total Unrealized Losses	$ (2,001)	$ (1,403)	$ (2,443)