LOANS AND ALLOWANCE FOR LOAN LOSSES (Impaired Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	$ 111,922	$ 150,152
With No Related Allowance Recorded: Unpaid Principal Balance	185,115	264,466
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	134,810	188,350
With No Related Allowance Recorded: Interest Income Recognized	2,248	935
With A Related Allowance Recorded: Recorded Investment	126,867	196,541
With A Related Allowance Recorded: Unpaid Principal Balance	157,590	262,775
With A Related Allowance Recorded: Related Allowance for Loan Losses	17,952	30,629
With A Related Allowance Recorded: Average Recorded Investment	148,645	230,033
With A Related Allowance Recorded: Interest Income Recognized	2,175	2,657
Recorded Investment, Total	238,789	346,693
Unpaid Principal Balance, Total	342,705	527,241
Average Recorded Investment, Total	283,455	418,383
Interest Income Recognized, Total	4,423	3,592
Commercial, financial and agricultural
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	6,451	20,494
With No Related Allowance Recorded: Unpaid Principal Balance	24,287	53,140
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	12,369	25,294
With No Related Allowance Recorded: Interest Income Recognized	215	336
With A Related Allowance Recorded: Recorded Investment	12,599	39,110
With A Related Allowance Recorded: Unpaid Principal Balance	19,255	64,867
With A Related Allowance Recorded: Related Allowance for Loan Losses	676	5,475
With A Related Allowance Recorded: Average Recorded Investment	24,157	48,270
With A Related Allowance Recorded: Interest Income Recognized	0	0
Recorded Investment, Total	19,050	59,604
Unpaid Principal Balance, Total	43,542	118,007
Average Recorded Investment, Total	36,526	73,564
Interest Income Recognized, Total	215	336
Real estate construction and development
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	39,706	62,524
With No Related Allowance Recorded: Unpaid Principal Balance	74,044	113,412
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	59,094	80,230
With No Related Allowance Recorded: Interest Income Recognized	561	72
With A Related Allowance Recorded: Recorded Investment	2,477	20,734
With A Related Allowance Recorded: Unpaid Principal Balance	10,221	39,832
With A Related Allowance Recorded: Related Allowance for Loan Losses	1,452	3,432
With A Related Allowance Recorded: Average Recorded Investment	3,687	26,605
With A Related Allowance Recorded: Interest Income Recognized	114	183
Recorded Investment, Total	42,183	83,258
Unpaid Principal Balance, Total	84,265	153,244
Average Recorded Investment, Total	62,781	106,835
Interest Income Recognized, Total	675	255
Bank portfolio
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	1,611	3,274
With No Related Allowance Recorded: Unpaid Principal Balance	1,690	5,030
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	2,166	3,291
With No Related Allowance Recorded: Interest Income Recognized	32	0
With A Related Allowance Recorded: Recorded Investment	6,910	11,416
With A Related Allowance Recorded: Unpaid Principal Balance	8,655	12,926
With A Related Allowance Recorded: Related Allowance for Loan Losses	284	796
With A Related Allowance Recorded: Average Recorded Investment	9,288	11,473
With A Related Allowance Recorded: Interest Income Recognized	0	0
Recorded Investment, Total	8,521	14,690
Unpaid Principal Balance, Total	10,345	17,956
Average Recorded Investment, Total	11,454	14,764
Interest Income Recognized, Total	32	0
Mortgage Division portfolio
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	10,255	10,250
With No Related Allowance Recorded: Unpaid Principal Balance	22,102	22,541
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	10,308	11,352
With No Related Allowance Recorded: Interest Income Recognized	0	0
With A Related Allowance Recorded: Recorded Investment	87,819	89,157
With A Related Allowance Recorded: Unpaid Principal Balance	96,931	98,118
With A Related Allowance Recorded: Related Allowance for Loan Losses	11,574	15,324
With A Related Allowance Recorded: Average Recorded Investment	88,277	98,739
With A Related Allowance Recorded: Interest Income Recognized	2,050	2,306
Recorded Investment, Total	98,074	99,407
Unpaid Principal Balance, Total	119,033	120,659
Average Recorded Investment, Total	98,585	110,091
Interest Income Recognized, Total	2,050	2,306
Home equity portfolio
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	1,382	196
With No Related Allowance Recorded: Unpaid Principal Balance	1,507	198
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	1,232	210
With No Related Allowance Recorded: Interest Income Recognized	0	0
With A Related Allowance Recorded: Recorded Investment	7,289	6,744
With A Related Allowance Recorded: Unpaid Principal Balance	8,188	7,657
With A Related Allowance Recorded: Related Allowance for Loan Losses	1,784	1,388
With A Related Allowance Recorded: Average Recorded Investment	6,500	7,212
With A Related Allowance Recorded: Interest Income Recognized	0	0
Recorded Investment, Total	8,671	6,940
Unpaid Principal Balance, Total	9,695	7,855
Average Recorded Investment, Total	7,732	7,422
Interest Income Recognized, Total	0	0
Multi-family residential
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	33,709	7,961
With No Related Allowance Recorded: Unpaid Principal Balance	37,206	8,378
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	13,682	8,358
With No Related Allowance Recorded: Interest Income Recognized	280	92
With A Related Allowance Recorded: Recorded Investment	1,292	3,180
With A Related Allowance Recorded: Unpaid Principal Balance	1,403	5,281
With A Related Allowance Recorded: Related Allowance for Loan Losses	1,138	335
With A Related Allowance Recorded: Average Recorded Investment	524	3,339
With A Related Allowance Recorded: Interest Income Recognized	0	0
Recorded Investment, Total	35,001	11,141
Unpaid Principal Balance, Total	38,609	13,659
Average Recorded Investment, Total	14,206	11,697
Interest Income Recognized, Total	280	92
Commercial real estate
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	18,808	45,452
With No Related Allowance Recorded: Unpaid Principal Balance	24,279	61,766
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	35,959	59,613
With No Related Allowance Recorded: Interest Income Recognized	1,160	435
With A Related Allowance Recorded: Recorded Investment	8,453	26,179
With A Related Allowance Recorded: Unpaid Principal Balance	12,909	34,073
With A Related Allowance Recorded: Related Allowance for Loan Losses	1,043	3,875
With A Related Allowance Recorded: Average Recorded Investment	16,161	34,335
With A Related Allowance Recorded: Interest Income Recognized	11	168
Recorded Investment, Total	27,261	71,631
Unpaid Principal Balance, Total	37,188	95,839
Average Recorded Investment, Total	52,120	93,948
Interest Income Recognized, Total	1,171	603
Consumer and installment
Loan and Lease Receivables, Impaired [Abstract]
With No Related Allowance Recorded: Recorded Investment	0	1
With No Related Allowance Recorded: Unpaid Principal Balance	0	1
With No Related Allowance Recorded: Related Allowance for Loan Losses	0	0
With No Related Allowance Recorded: Average Recorded Investment	0	2
With No Related Allowance Recorded: Interest Income Recognized	0	0
With A Related Allowance Recorded: Recorded Investment	28	21
With A Related Allowance Recorded: Unpaid Principal Balance	28	21
With A Related Allowance Recorded: Related Allowance for Loan Losses	1	4
With A Related Allowance Recorded: Average Recorded Investment	51	60
With A Related Allowance Recorded: Interest Income Recognized	0	0
Recorded Investment, Total	28	22
Unpaid Principal Balance, Total	28	22
Average Recorded Investment, Total	51	62
Interest Income Recognized, Total	$ 0	$ 0