LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	$ 12,930	$ 12,142
60-89 Days	5,955	8,404
Recorded Investment > 90 Days Accruing	4,740	1,090
Nonaccrual	71,133	109,872
Total Past Due	94,758	131,508
Current	2,692,172	2,799,239
Total loans	2,786,930	2,930,747
Commercial, financial and agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	104	1,180
60-89 Days	899	322
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	11,897	19,050
Total Past Due	12,900	20,552
Current	570,639	589,749
Total loans	583,539	610,301
Real estate construction and development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	591	93
60-89 Days	21	0
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	7,300	32,152
Total Past Due	7,912	32,245
Current	117,421	142,734
Total loans	125,333	174,979
Bank Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	1,447	1,871
60-89 Days	647	1,121
Recorded Investment > 90 Days Accruing	171	874
Nonaccrual	5,893	6,910
Total Past Due	8,158	10,776
Current	88,821	111,562
Total loans	96,979	122,338
Mortgage Division Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	3,937	6,264
60-89 Days	3,242	4,375
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	16,772	19,780
Total Past Due	23,951	30,419
Current	460,739	479,552
Total loans	484,690	509,971
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	3,252	2,494
60-89 Days	698	1,221
Recorded Investment > 90 Days Accruing	334	216
Nonaccrual	6,145	8,671
Total Past Due	10,429	12,602
Current	332,291	341,856
Total loans	342,720	354,458
Multi-family residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	0	0
60-89 Days	0	629
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	1,810	6,761
Total Past Due	1,810	7,390
Current	101,552	96,294
Total loans	103,362	103,684
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	3,506	66
60-89 Days	409	693
Recorded Investment > 90 Days Accruing	4,235	0
Nonaccrual	21,310	16,520
Total Past Due	29,460	17,279
Current	974,073	952,401
Total loans	1,003,533	969,680
Consumer and Installment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	93	174
60-89 Days	39	43
Recorded Investment > 90 Days Accruing	0	0
Nonaccrual	6	28
Total Past Due	138	245
Current	18,323	18,958
Total loans	18,461	19,203
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	28,313	66,133
Total loans	$ 28,313	$ 66,133