IMPAIRED LOANS AND ALLOWANCE FOR LOAN LOSSES - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Allowance for Loan Losses:
Beginning Balance	$ 20,725	$ 18,579	$ 19,128	$ 17,007
Provision for Loan Losses	550	987	1,411	2,275
Charge-Offs	(379)	(1,362)	(873)	(2,430)
Recoveries	1,788	912	3,018	2,562
Net (Charge-Offs) Recoveries	1,409	(450)	2,145	132
Ending Balance	22,684	19,279	22,684	19,279
Construction and Land Development [Member]
Allowance for Loan Losses:
Beginning Balance	1,160	887	1,151	722
Provision for Loan Losses	48	891	(132)	910
Charge-Offs	0	(859)	0	(925)
Recoveries	25	109	214	321
Net (Charge-Offs) Recoveries	25	(750)	214	(604)
Ending Balance	1,233	1,028	1,233	1,028
Commercial Real Estate [Member]
Allowance for Loan Losses:
Beginning Balance	7,192	5,278	6,756	4,528
Provision for Loan Losses	1,450	925	1,960	1,690
Charge-Offs	(78)	(128)	(254)	(430)
Recoveries	169	315	271	602
Net (Charge-Offs) Recoveries	91	187	17	172
Ending Balance	8,733	6,390	8,733	6,390
Residential Real Estate [Member]
Allowance for Loan Losses:
Beginning Balance	8,299	9,686	8,057	9,784
Provision for Loan Losses	(662)	(686)	(672)	(1,235)
Charge-Offs	0	(193)	(145)	(515)
Recoveries	272	359	669	1,132
Net (Charge-Offs) Recoveries	272	166	524	617
Ending Balance	7,909	9,166	7,909	9,166
Commercial And Financial [Member]
Allowance for Loan Losses:
Beginning Balance	2,591	945	2,042	1,179
Provision for Loan Losses	(550)	193	(403)	(245)
Charge-Offs	(283)	(160)	(376)	(284)
Recoveries	1,278	107	1,773	435
Net (Charge-Offs) Recoveries	995	(53)	1,397	151
Ending Balance	3,036	1,085	3,036	1,085
Consumer [Member]
Allowance for Loan Losses:
Beginning Balance	1,483	1,783	1,122	794
Provision for Loan Losses	264	(173)	658	1,020
Charge-Offs	(18)	(22)	(98)	(276)
Recoveries	44	22	91	72
Net (Charge-Offs) Recoveries	26	0	(7)	(204)
Ending Balance	$ 1,773	$ 1,610	$ 1,773	$ 1,610