LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Loans and Leases Receivable, Net Of Deferred Income	$ 3,031,445	$ 3,283,951
Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	2,080,356	2,328,011
Commercial And Industrial [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	636,163	725,130
Real Estate Construction and Development [Member]
Loans and Leases Receivable, Net Of Deferred Income	216,894	249,987
Real Estate Construction and Development [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	216,894	249,987
Multi Family Residential [Member]
Loans and Leases Receivable, Net Of Deferred Income	121,879	127,356
Multi Family Residential [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	121,879	127,356
Commercial Real Estate [Member]
Loans and Leases Receivable, Net Of Deferred Income	1,105,420	1,225,538
Commercial Real Estate [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	1,105,420	1,225,538
Bank Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	139,754	165,578
Home Equity Line Of Credit [Member]
Loans and Leases Receivable, Net Of Deferred Income	362,391	369,945
One To Four Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	502,145	535,523
Mortgage Division Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	384,505	366,915
Consumer and Installment [Member]
Loans and Leases Receivable, Net Of Deferred Income	18,150	22,391
One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	402,655	389,306
Pass [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	1,599,375	1,706,828
Pass [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	570,149	606,933
Pass [Member] | Real Estate Construction and Development [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	49,284	57,594
Pass [Member] | Multi Family Residential [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	66,138	68,748
Pass [Member] | Commercial Real Estate [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	913,804	973,553
Pass [Member] | Bank Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	110,269	131,973
Pass [Member] | Home Equity Line Of Credit [Member]
Loans and Leases Receivable, Net Of Deferred Income	351,778	358,801
Pass [Member] | One To Four Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	462,047	490,774
Pass [Member] | Mortgage Division Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	277,365	263,079
Pass [Member] | Consumer and Installment [Member]
Loans and Leases Receivable, Net Of Deferred Income	18,131	22,369
Pass [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	295,496	285,448
Special Mention [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	166,802	175,875
Special Mention [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	15,576	25,742
Special Mention [Member] | Real Estate Construction and Development [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	17,436	11,977
Special Mention [Member] | Multi Family Residential [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	18,472	18,678
Special Mention [Member] | Commercial Real Estate [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	115,318	119,478
Special Mention [Member] | Bank Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	11,784	12,797
Special Mention [Member] | Home Equity Line Of Credit [Member]
Loans and Leases Receivable, Net Of Deferred Income	446	954
Special Mention [Member] | One To Four Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	12,230	13,751
Substandard [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	167,987	219,674
Substandard [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	17,758	32,851
Substandard [Member] | Real Estate Construction and Development [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	89,844	97,158
Substandard [Member] | Multi Family Residential [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	29,006	28,789
Substandard [Member] | Commercial Real Estate [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	31,379	60,876
Substandard [Member] | Bank Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	5,833	6,118
Substandard [Member] | Home Equity Line Of Credit [Member]
Loans and Leases Receivable, Net Of Deferred Income	3,250	3,250
Substandard [Member] | One To Four Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	9,083	9,368
Substandard [Member] | Mortgage Division Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	7,496	4,429
Substandard [Member] | Consumer and Installment [Member]
Loans and Leases Receivable, Net Of Deferred Income	0	0
Substandard [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	7,496	4,429
Performing TDR [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	30,616	43,813
Performing TDR [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	3,403	4,264
Performing TDR [Member] | Real Estate Construction and Development [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	11,918	12,014
Performing TDR [Member] | Multi Family Residential [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	3,129	3,166
Performing TDR [Member] | Commercial Real Estate [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	12,166	24,369
Performing TDR [Member] | Bank Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	1,612
Performing TDR [Member] | Home Equity Line Of Credit [Member]
Loans and Leases Receivable, Net Of Deferred Income	0
Performing TDR [Member] | One To Four Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	1,612
Performing TDR [Member] | Mortgage Division Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	82,040	82,629
Performing TDR [Member] | Consumer and Installment [Member]
Loans and Leases Receivable, Net Of Deferred Income	0	0
Performing TDR [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	82,040	82,629
Non Accrual [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	115,576	181,821
Non Accrual [Member] | Commercial And Industrial [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	29,277	55,340
Non Accrual [Member] | Real Estate Construction and Development [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	48,412	71,244
Non Accrual [Member] | Multi Family Residential [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	5,134	7,975
Non Accrual [Member] | Commercial Real Estate [Member] | Commercial Loan [Member]
Loans and Leases Receivable, Net Of Deferred Income	32,753	47,262
Non Accrual [Member] | Bank Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	10,256	14,690
Non Accrual [Member] | Home Equity Line Of Credit [Member]
Loans and Leases Receivable, Net Of Deferred Income	6,917	6,940
Non Accrual [Member] | One To Four Family Residential Mortgage Bank Portfolio And Home Equity Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	17,173	21,630
Non Accrual [Member] | Mortgage Division Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	17,604	16,778
Non Accrual [Member] | Consumer and Installment [Member]
Loans and Leases Receivable, Net Of Deferred Income	19	22
Non Accrual [Member] | One To Four Family Residential Mortgage Division Portfolio And Consumer And Installment Portfolio [Member]
Loans and Leases Receivable, Net Of Deferred Income	$ 17,623	$ 16,800