LOANS AND ALLOWANCE FOR LOAN LOSSES (Financing Receivable Credit Quality Indicators) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	$ 2,857,095	$ 2,930,747	$ 3,284,279
Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,891,904	1,858,644
One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	439,477	476,796
One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	500,166	529,174
Commercial and Industrial | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	600,704	610,301
Real Estate Construction and Development
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	121,662	174,979
Real Estate Construction and Development | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	121,662	174,979
Multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	121,304	103,684
Multi-family | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	121,304	103,684
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,048,234	969,680
Commercial Real Estate | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,048,234	969,680
Bank Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	90,153	122,338
Bank Portfolio | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	90,153	122,338
Home Equity
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	349,324	354,458
Home Equity | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	349,324	354,458
Mortgage Division Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	482,011	509,971
Mortgage Division Portfolio | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	482,011	509,971
Consumer and Installment
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	18,155	19,203
Consumer and Installment | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	18,155	19,203
Pass | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,694,392	1,543,395
Pass | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	418,100	449,946
Pass | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	405,289	424,445
Pass | Commercial and Industrial | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	559,243	572,248
Pass | Real Estate Construction and Development | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	42,429	45,356
Pass | Multi-family | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	91,001	67,690
Pass | Commercial Real Estate | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,001,719	858,101
Pass | Bank Portfolio | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	78,069	107,625
Pass | Home Equity | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	340,031	342,321
Pass | Mortgage Division Portfolio | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	387,153	405,270
Pass | Consumer and Installment | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	18,136	19,175
Special mention | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	38,854	87,326
Special mention | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	6,372	4,621
Special mention | Commercial and Industrial | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	16,211	10,580
Special mention | Real Estate Construction and Development | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	929	6,076
Special mention | Multi-family | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	0	220
Special mention | Commercial Real Estate | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	21,714	70,450
Special mention | Bank Portfolio | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	6,190	4,405
Special mention | Home Equity | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	182	216
Substandard | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	100,671	104,428
Substandard | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,795	5,037
Substandard | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	2,491	6,627
Substandard | Commercial and Industrial | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	14,727	8,423
Substandard | Real Estate Construction and Development | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	73,390	81,364
Substandard | Multi-family | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	555	773
Substandard | Commercial Real Estate | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	11,999	13,868
Substandard | Bank Portfolio | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	45	1,787
Substandard | Home Equity | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,750	3,250
Substandard | Mortgage Division Portfolio | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	2,491	6,627
Substandard | Consumer and Installment | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	0	0
Performing troubled debt restructuring | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	32,474	49,012
Performing troubled debt restructuring | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	703	1,611
Performing troubled debt restructuring | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	77,450	78,294
Performing troubled debt restructuring | Commercial and Industrial | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	0	0
Performing troubled debt restructuring | Real Estate Construction and Development | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	0	10,031
Performing troubled debt restructuring | Multi-family | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	27,955	28,240
Performing troubled debt restructuring | Commercial Real Estate | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	4,519	10,741
Performing troubled debt restructuring | Bank Portfolio | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	703	1,611
Performing troubled debt restructuring | Home Equity | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	0	0
Performing troubled debt restructuring | Mortgage Division Portfolio | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	77,450	78,294
Performing troubled debt restructuring | Consumer and Installment | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	0	0
Nonaccrual | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	25,513	74,483
Nonaccrual | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	12,507	15,581
Nonaccrual | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	14,936	19,808
Nonaccrual | Commercial and Industrial | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	10,523	19,050
Nonaccrual | Real Estate Construction and Development | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	4,914	32,152
Nonaccrual | Multi-family | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	1,793	6,761
Nonaccrual | Commercial Real Estate | Commercial Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	8,283	16,520
Nonaccrual | Bank Portfolio | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	5,146	6,910
Nonaccrual | Home Equity | One-to-Four-Family Residential Mortgage Bank and Home Equity Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	7,361	8,671
Nonaccrual | Mortgage Division Portfolio | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	14,917	19,780
Nonaccrual | Consumer and Installment | One-to-Four-Family Residential Mortgage Division and Consumer and Installment Loan Portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net of deferred income	$ 19	$ 28