LOANS AND ALLOWANCE FOR LOAN LOSSES (Aging of Loans by Loan Classification) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	$ 15,044	$ 8,475
60-89 Days	4,547	4,424
Recorded Investment > 90 Days Accruing	253	424
Nonaccrual	53,805	52,956
Total Past Due	73,649	66,279
Current	2,817,332	2,790,816
Total loans	2,890,981	2,857,095
Commercial, financial and agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	6,879	447
60-89 Days	1,165	394
Recorded Investment > 90 Days Accruing	0	80
Nonaccrual	13,023	10,523
Total Past Due	21,067	11,444
Current	611,022	589,260
Total loans	632,089	600,704
Real estate construction and development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	0	0
60-89 Days	0	0
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	4,642	4,914
Total Past Due	4,642	4,914
Current	116,595	116,748
Total loans	121,237	121,662
Residential mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	5,568	4,262
60-89 Days	2,928	2,637
Recorded Investment > 90 Days Accruing	21	162
Nonaccrual	18,566	20,063
Total Past Due	27,083	27,124
Current	535,087	545,040
Total loans	562,170	572,164
Home equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	1,540	2,256
60-89 Days	355	963
Recorded Investment > 90 Days Accruing	232	182
Nonaccrual	7,097	7,361
Total Past Due	9,224	10,762
Current	339,119	338,562
Total loans	348,343	349,324
Multi-family residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	0	0
60-89 Days	0	0
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	1,638	1,793
Total Past Due	1,638	1,793
Current	123,478	119,511
Total loans	125,116	121,304
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	975	1,423
60-89 Days	3	391
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	8,826	8,283
Total Past Due	9,804	10,097
Current	1,054,009	1,038,137
Total loans	1,063,813	1,048,234
Consumer and installment and net deferred loan fees [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	82	87
60-89 Days	96	39
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	13	19
Total Past Due	191	145
Current	16,620	18,010
Total loans	16,811	18,155
Loans held for sale [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	0	0
60-89 Days	0	0
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	0	0
Total Past Due	0	0
Current	21,402	25,548
Total loans	$ 21,402	$ 25,548