LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructuring) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	$ 29,154	$ 47,428
Nonaccrual Status	2,349	5,699
Total TDRs	31,503	53,127
Commerical real estate - owner-occupied [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	183	186
Nonaccrual Status	109	613
Total TDRs	292	799
Commerical real estate - investment properties [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	6,021	5,367
Nonaccrual Status	32	1,630
Total TDRs	6,053	6,997
Multifamily real estate [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	786	5,744
Nonaccrual Status	0	0
Total TDRs	786	5,744
One-to four-family construction [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	3,923	6,864
Nonaccrual Status	0	269
Total TDRs	3,923	7,133
Land and land development - residential [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	1,279	4,061
Nonaccrual Status	525	174
Total TDRs	1,804	4,235
Commercial business [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	739	1,299
Nonaccrual Status	87	164
Total TDRs	826	1,463
One- to four-family residential [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	15,793	23,302
Nonaccrual Status	1,363	2,474
Total TDRs	17,156	25,776
Consumer secured by one- to four-family [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	233	360
Nonaccrual Status	117	252
Total TDRs	350	612
Consumer - other [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Accrual Status	197	245
Nonaccrual Status	116	123
Total TDRs	$ 313	$ 368