IMPAIRED LOANS AND VALUATION ALLOWANCE FOR LOAN LOSSES - Company's Average Recorded Investments in Impaired Loans and Related Interest Income (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Average Recorded Investment
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	$ 51,352	$ 76,302
Interest Income Recognized
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	704	669
Construction and Land Development [Member]
Average Recorded Investment
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,196	2,216
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,311	1,547
Total	3,507	3,763
Interest Income Recognized
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	51	50
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	12	19
Total	63	69
Residential Real Estate [Member]
Average Recorded Investment
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	12,333	15,084
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	22,215	23,418
Total	34,548	38,502
Interest Income Recognized
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	7	10
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	251	286
Total	258	296
Commercial Real Estate [Member]
Average Recorded Investment
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,394	9,194
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	9,853	24,115
Total	12,247	33,309
Interest Income Recognized
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	7	18
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	361	274
Total	368	292
Commercial And Financial [Member]
Average Recorded Investment
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	76	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	88	0
Total	164	0
Interest Income Recognized
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	5	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	0	0
Total	5	0
Consumer [Member]
Average Recorded Investment
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	345	142
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	541	586
Total	886	728
Interest Income Recognized
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method	0	1
Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method	10	11
Total	$ 10	$ 12