LOANS AND ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructurings on Performing Financing Receivables) (Details) (Performing Troubled Debt Restructurings [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructuring	$ 111,911	$ 110,627
One-to-four-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructuring	79,586	78,153
Multi-family residential [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructuring	27,836	27,955
Commercial real estate [Member]
Financing Receivable, Modifications [Line Items]
Total performing troubled debt restructuring	$ 4,489	$ 4,519