LOANS AND ALLOWANCE FOR LOAN LOSSES (Aging of Loans by Loan Classification) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	$ 6,609	$ 8,475
60-89 Days	8,213	4,424
Recorded Investment > 90 Days Accruing	1,102	424
Nonaccrual	47,978	52,956
Total Past Due	63,902	66,279
Current	2,888,217	2,790,816
Total loans	2,952,119	2,857,095
Commercial, financial and agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	260	447
60-89 Days	361	394
Recorded Investment > 90 Days Accruing	15	80
Nonaccrual	12,339	10,523
Total Past Due	12,975	11,444
Current	626,766	589,260
Total loans	639,741	600,704
Real estate construction and development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	0	0
60-89 Days	95	0
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	4,242	4,914
Total Past Due	4,337	4,914
Current	119,172	116,748
Total loans	123,509	121,662
Residential mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	3,341	4,262
60-89 Days	3,003	2,637
Recorded Investment > 90 Days Accruing	139	162
Nonaccrual	17,173	20,063
Total Past Due	23,656	27,124
Current	548,891	545,040
Total loans	572,547	572,164
Home equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	2,294	2,256
60-89 Days	493	963
Recorded Investment > 90 Days Accruing	720	182
Nonaccrual	7,011	7,361
Total Past Due	10,518	10,762
Current	353,515	338,562
Total loans	364,033	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	1,164	1,793
Total Past Due	1,164	1,793
Current	115,651	119,511
Total loans	116,815	121,304
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	577	1,423
60-89 Days	4,238	391
Recorded Investment > 90 Days Accruing	228	0
Nonaccrual	6,036	8,283
Total Past Due	11,079	10,097
Current	1,079,067	1,038,137
Total loans	1,090,146	1,048,234
Consumer and installment and net deferred loan fees [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	137	87
60-89 Days	23	39
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	13	19
Total Past Due	173	145
Current	17,579	18,010
Total loans	17,752	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	27,576	25,548
Total loans	$ 27,576	$ 25,548