LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructuring) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Accrual Status	$ 51,733	$ 57,462
Nonaccrual Status	6,862	7,966
Total Modifications	58,595	65,428
Commerical real estate - owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	187	188
Nonaccrual Status	627	1,551
Total Modifications	814	1,739
Commerical real estate - investment properties [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	7,047	7,034
Nonaccrual Status	1,462	1,514
Total Modifications	8,509	8,548
Multifamily real estate [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	5,815	7,131
Nonaccrual Status	0	0
Total Modifications	5,815	7,131
One-to four-family construction [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	6,964	6,726
Nonaccrual Status	1,022	1,044
Total Modifications	7,986	7,770
Land and land development - residential [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	4,352	4,842
Nonaccrual Status	0	15
Total Modifications	4,352	4,857
Commercial business [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	1,179	2,975
Nonaccrual Status	548	247
Total Modifications	1,727	3,222
One- to four-family residential [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	25,301	27,540
Nonaccrual Status	2,813	2,703
Total Modifications	28,114	30,243
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	478	488
Nonaccrual Status	132	396
Total Modifications	610	884
Consumer secured by one- to four-family [Member]
Financing Receivable, Modifications [Line Items]
Accrual Status	410	538
Nonaccrual Status	258	496
Total Modifications	$ 668	$ 1,034