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		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Average Recorded Investment
Total	$ 40,103	$ 50,472	$ 41,392	$ 51,352
Interest Income Recognized
Total	234	444	477	704
Commercial Real Estate [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	2,942	1,547	2,950	2,394
Impaired Loans with an Allowance Recorded	7,188	10,952	7,649	9,853
Total	10,130	12,499	10,599	12,247
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	23	7	27	7
Impaired Loans with an Allowance Recorded	51	268	125	361
Total	74	275	152	368
Residential Real Estate [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	10,877	12,063	11,268	12,333
Impaired Loans with an Allowance Recorded	15,682	21,505	16,106	22,215
Total	26,559	33,568	27,374	34,548
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	30	4	65	7
Impaired Loans with an Allowance Recorded	99	122	198	251
Total	129	126	263	258
Construction and Land Development [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	1,838	2,036	1,839	2,196
Impaired Loans with an Allowance Recorded	816	1,367	832	1,311
Total	2,654	3,403	2,671	3,507
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	14	29	32	51
Impaired Loans with an Allowance Recorded	11	6	16	12
Total	25	35	48	63
Commercial And Financial [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	116	50	118	76
Impaired Loans with an Allowance Recorded	0	112	0	88
Total	116	162	118	164
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	1	3	3	5
Impaired Loans with an Allowance Recorded	0	0	0	0
Total	1	3	3	5
Consumer [Member]
Average Recorded Investment
Impaired Loans with No Related Allowance Recorded	141	302	114	345
Impaired Loans with an Allowance Recorded	503	538	516	541
Total	644	840	630	886
Interest Income Recognized
Impaired Loans with No Related Allowance Recorded	0	0	0	0
Impaired Loans with an Allowance Recorded	5	5	11	10
Total	$ 5	$ 5	$ 11	$ 10