IMPAIRED LOANS AND ALLOWANCE FOR LOAN LOSSES - Company's Average Recorded Investments in Impaired Loans and Related Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Average Recorded Investment
Total	$ 37,249	$ 49,238	$ 40,010	$ 50,647
Interest Income Recognized
Total	241	392	673	1,103
Commercial Real Estate [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	3,138	3,067	3,012	2,618
Impaired Loans with an Allowance Recorded	6,638	11,801	7,312	10,502
Total	9,776	14,868	10,324	13,120
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	7	3	13	10
Impaired Loans with an Allowance Recorded	78	124	223	485
Total	85	127	236	495
Residential Real Estate [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	9,700	10,066	10,745	11,578
Impaired Loans with an Allowance Recorded	14,762	20,125	15,658	21,518
Total	24,462	30,191	26,403	33,096
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	35	98	103	114
Impaired Loans with an Allowance Recorded	89	121	270	370
Total	124	219	373	484
Construction and Land Development [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	1,216	2,088	1,632	2,160
Impaired Loans with an Allowance Recorded	1,070	1,110	912	1,244
Total	2,286	3,198	2,544	3,404
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	2	29	7	80
Impaired Loans with an Allowance Recorded	23	6	39	18
Total	25	35	46	98
Commercial And Financial [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	83	150	106	101
Impaired Loans with an Allowance Recorded	0	9	0	61
Total	83	159	106	162
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	0	2	1	7
Impaired Loans with an Allowance Recorded	0	0	0	0
Total	0	2	1	7
Consumer [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	152	276	126	322
Impaired Loans with an Allowance Recorded	490	546	507	543
Total	642	822	633	865
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	0	1	0	1
Impaired Loans with an Allowance Recorded	7	8	17	18
Total	$ 7	$ 9	$ 17	$ 19