LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 2,786,930	$ 2,930,747
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,815,767	1,858,644
One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	439,699	476,796
One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	503,151	529,174
Commercial And Industrial [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	583,539	610,301
Real estate construction and development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	125,333	174,979
Real estate construction and development [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	125,333	174,979
Multi-family residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	103,362	103,684
Multi-family residential [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	103,362	103,684
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,003,533	969,680
Commercial real estate [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,003,533	969,680
Bank Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	96,979	122,338
Bank Portfolio [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	96,979	122,338
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	342,720	354,458
Home Equity [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	342,720	354,458
Mortgage Division Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	484,690	509,971
Mortgage Division Portfolio [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	484,690	509,971
Consumer and Installment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	18,461	19,203
Consumer and Installment [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	18,461	19,203
Pass [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,599,830	1,543,395
Pass [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	418,215	449,946
Pass [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	405,174	424,445
Pass [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	553,028	572,248
Pass [Member] | Real estate construction and development [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	41,608	45,356
Pass [Member] | Multi-family residential [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	72,927	67,690
Pass [Member] | Commercial real estate [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	932,267	858,101
Pass [Member] | Bank Portfolio [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	83,724	107,625
Pass [Member] | Home Equity [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	334,491	342,321
Pass [Member] | Mortgage Division Portfolio [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	386,719	405,270
Pass [Member] | Consumer and Installment [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	18,455	19,175
Special Mention [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	42,350	87,326
Special Mention [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,799	4,621
Special Mention [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,170	10,580
Special Mention [Member] | Real estate construction and development [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	3,140	6,076
Special Mention [Member] | Multi-family residential [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	220
Special Mention [Member] | Commercial real estate [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	28,040	70,450
Special Mention [Member] | Bank Portfolio [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,465	4,405
Special Mention [Member] | Home Equity [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	334	216
Substandard [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	98,650	104,428
Substandard [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,943	5,037
Substandard [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	4,291	6,627
Substandard [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	7,444	8,423
Substandard [Member] | Real estate construction and development [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	73,285	81,364
Substandard [Member] | Multi-family residential [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	555	773
Substandard [Member] | Commercial real estate [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	17,366	13,868
Substandard [Member] | Bank Portfolio [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	193	1,787
Substandard [Member] | Home Equity [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,750	3,250
Substandard [Member] | Mortgage Division Portfolio [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	4,291	6,627
Substandard [Member] | Consumer and Installment [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Performing TDR [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	32,620	49,012
Performing TDR [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	704	1,611
Performing TDR [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	76,908	78,294
Performing TDR [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Performing TDR [Member] | Real estate construction and development [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	10,031
Performing TDR [Member] | Multi-family residential [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	28,070	28,240
Performing TDR [Member] | Commercial real estate [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	4,550	10,741
Performing TDR [Member] | Bank Portfolio [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	704	1,611
Performing TDR [Member] | Home Equity [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Performing TDR [Member] | Mortgage Division Portfolio [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	76,908	78,294
Performing TDR [Member] | Consumer and Installment [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Non Accrual [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	42,317	74,483
Non Accrual [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	12,038	15,581
Non Accrual [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	16,778	19,808
Non Accrual [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,897	19,050
Non Accrual [Member] | Real estate construction and development [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	7,300	32,152
Non Accrual [Member] | Multi-family residential [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,810	6,761
Non Accrual [Member] | Commercial real estate [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	21,310	16,520
Non Accrual [Member] | Bank Portfolio [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	5,893	6,910
Non Accrual [Member] | Home Equity [Member] | One-To-Four-Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,145	8,671
Non Accrual [Member] | Mortgage Division Portfolio [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	16,772	19,780
Non Accrual [Member] | Consumer and Installment [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 6	$ 28