SECURITIES (Details 1) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Available-for-sale Securities:
Amortized Cost	$ 365,140	$ 343,093
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	5,252	8,832
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(3,143)	(3,371)
Fair Value	367,249	348,554
Held-to-maturity Securities:
Amortized Cost	477,507	375,453
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	5,177	7,747
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(3,935)	(3,501)
Fair Value	478,749	379,699
Available-for-sale Securities and Held-to-maturity Securities:
Amortized Cost	842,647	718,546
Gross Unrealized Gains	10,429	16,579
Gross Unrealized Losses	(7,078)	(6,872)
Fair Value	845,998	728,253
U.S. Government agency securities
Available-for-sale Securities:
Amortized Cost	29,958	41,369
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	261	139
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(4)	(22)
Fair Value	30,215	41,486
U.S. treasury securities [Member]
Held-to-maturity Securities:
Amortized Cost	1,009	1,010
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	55	63
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Fair Value	1,064	1,073
Agency mortgage-backed securities [Member]
Available-for-sale Securities:
Amortized Cost	207,693	211,168
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	4,227	7,203
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(983)	(693)
Fair Value	210,937	217,678
Held-to-maturity Securities:
Amortized Cost	167,134	159,522
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	3,460	5,422
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(219)	0
Fair Value	170,375	164,944
Agency collateralized mortgage obligations [Member]
Available-for-sale Securities:
Amortized Cost	64,157	63,059
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	179	599
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(752)	(623)
Fair Value	63,584	63,035
Held-to-maturity Securities:
Amortized Cost	267,348	198,220
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	1,195	1,842
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(3,652)	(3,478)
Fair Value	264,891	196,584
State, county, and municipal securities [Member]
Available-for-sale Securities:
Amortized Cost	4,543	5,106
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	116	117
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Fair Value	4,659	5,223
Held-to-maturity Securities:
Amortized Cost	225	424
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	2	4
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Fair Value	227	428
Single issuer trust preferred securities issued by banks [Member]
Available-for-sale Securities:
Amortized Cost	2,865	2,913
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	8	12
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(81)	(16)
Fair Value	2,792	2,909
Held-to-maturity Securities:
Amortized Cost	1,500	1,500
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	22	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	(23)
Fair Value	1,522	1,477
Pooled trust preferred securities issued by banks and insurers
Available-for-sale Securities:
Amortized Cost	2,217	7,906
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	0	195
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(645)	(1,780)
Fair Value	1,572	6,321
Small Business Administration Pooled Securities [Member]
Available-for-sale Securities:
Amortized Cost	40,472	0
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	87	0
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(110)	0
Fair Value	40,449	0
Held-to-maturity Securities:
Amortized Cost	35,291	9,775
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	437	299
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(64)	0
Fair Value	35,664	10,074
Marketable securities [Member]
Available-for-sale Securities:
Amortized Cost	13,235	11,572
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	374	567
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(568)	(237)
Fair Value	13,041	11,902
Corporate debt securities [Member]
Held-to-maturity Securities:
Amortized Cost	5,000	5,002
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	6	117
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Fair Value	$ 5,006	$ 5,119