LOANS AND ALLOWANCE - troubled debt restructurings by class (Details 8) (Loans Receivable, USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012 Loans	Jun. 30, 2012 Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	24	24
Total Troubled Debt Restructured	$ 9,892	$ 9,892
Number of Loans	3	11
Current Balance	175	2,431
Pre-Modification Recorded Balance	167	2,380
Post-Modification Recorded Balance	175	2,466
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring
Total Troubled Debt Restructured
Number of Loans
Current Balance
Pre-Modification Recorded Balance
Post-Modification Recorded Balance
One-to-four family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	12	12
Total Troubled Debt Restructured	4,362	4,362
Number of Loans	2	6
Current Balance	71	1,167
Pre-Modification Recorded Balance	63	1,103
Post-Modification Recorded Balance	71	1,169
Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	1	1
Total Troubled Debt Restructured	1,075	1,075
Number of Loans		1
Current Balance		1,083
Pre-Modification Recorded Balance		1,068
Post-Modification Recorded Balance		1,083
Nonresidential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	5	5
Total Troubled Debt Restructured	2,360	2,360
Number of Loans		1
Current Balance		40
Pre-Modification Recorded Balance		40
Post-Modification Recorded Balance		40
Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	1	1
Total Troubled Debt Restructured	1,921	1,921
Number of Loans
Current Balance
Pre-Modification Recorded Balance
Post-Modification Recorded Balance
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	4	4
Total Troubled Debt Restructured	159	159
Number of Loans	1	3
Current Balance	104	141
Pre-Modification Recorded Balance	104	169
Post-Modification Recorded Balance	104	174
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of troubled debt restructuring	1	1
Total Troubled Debt Restructured	15	15
Number of Loans
Current Balance
Pre-Modification Recorded Balance
Post-Modification Recorded Balance